/* =============================================================================
   pibiCo IoT Hub - Styles
   Shelly Cloud inspired design with white background
   ============================================================================= */

:root {
    /* pibiCo Brand Colors */
    --primary-color: #4682B4;           /* Steel Blue - main brand color */
    --primary-dark: #36648B;            /* Darker steel blue */
    --primary-light: #B0C4DE;           /* Light steel blue */
    --primary-pastel: #E8F0F7;          /* Very light blue pastel */

    /* Secondary - Light Gray family */
    --secondary-color: #D3D3D3;         /* Light gray */
    --secondary-light: #F0F0F0;         /* Very light gray */

    /* Status colors - pastel variants */
    --success-color: #7CB47C;           /* Pastel green */
    --success-light: #E8F5E8;           /* Very light green */
    --warning-color: #D4A76A;           /* Pastel orange/amber */
    --warning-light: #FFF5E6;           /* Very light amber */
    --danger-color: #CD6B6B;            /* Pastel red */
    --danger-light: #FFEBEB;            /* Very light red */

    /* Text colors */
    --text-color: #2C3E50;              /* Dark blue-gray */
    --text-secondary: #5D6D7E;          /* Medium gray-blue */
    --text-muted: #95A5A6;              /* Light gray */

    /* Background and surfaces */
    --bg-color: #F7F9FB;                /* Very light blue-gray */
    --card-bg: #FFFFFF;
    --border-color: #DCE4EC;            /* Light blue-gray border */

    /* Shadows and effects */
    --shadow: 0 2px 8px rgba(70, 130, 180, 0.1);
    --shadow-hover: 0 4px 16px rgba(70, 130, 180, 0.2);
    --radius: 8px;
    --radius-lg: 12px;

    /* Header height - shared between sidebar and topbar */
    --header-height: 52px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

body {
    font-family: 'Figtree', 'Raleway', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
}

/* =============================================================================
   Typography
   ============================================================================= */

h1, h2, h3 {
    font-weight: 600;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.1rem; }

/* =============================================================================
   Buttons
   ============================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    gap: 0.5rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--border-color);
    color: var(--text-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: #D0D0D0;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

/* Icon button - Frappe style square */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: white;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.btn-icon:hover {
    background-color: var(--bg-color);
    color: var(--text-color);
    border-color: var(--text-muted);
}

.btn-icon.primary {
    color: var(--primary-color);
    border-color: var(--primary-light);
}

.btn-icon.primary:hover {
    background-color: var(--primary-pastel);
    border-color: var(--primary-color);
}

.btn-icon.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-icon.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: white;
}

.btn-icon.danger {
    color: var(--danger-color);
    border-color: #F5D0D0;
}

.btn-icon.danger:hover {
    background-color: var(--danger-light);
    border-color: var(--danger-color);
}

/* =============================================================================
   Forms
   ============================================================================= */

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input {
    width: auto;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.readonly-field {
    padding: 0.65rem 0.75rem;
    background-color: var(--bg-color);
    border-radius: var(--radius);
    font-family: monospace;
    font-size: 0.9rem;
}

/* =============================================================================
   Login Page
   ============================================================================= */

.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.login-page .app-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
}

.login-page .footer-logo {
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 1rem;
}

.login-box {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-hover);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    object-fit: contain;
}

.login-header h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.login-form .btn {
    width: 100%;
    margin-top: 1rem;
    padding: 0.75rem;
}

.login-footer {
    margin-top: 2rem;
    text-align: center;
}

.login-footer .footer-logo {
    height: 32px;
    object-fit: contain;
    opacity: 0.7;
}

.form-links {
    text-align: center;
    margin-top: 1rem;
}

.form-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-decoration: none;
}

.form-links a:hover {
    color: var(--primary-color);
}

.form-description {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.success-message {
    text-align: center;
    padding: 2rem 1rem;
}

.success-message i {
    font-size: 3rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.success-message h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.success-message p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.error-state {
    text-align: center;
    padding: 2rem 1rem;
}

.error-state i {
    font-size: 3rem;
    color: var(--danger-color);
    margin-bottom: 1rem;
}

.error-state h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.error-state p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.error-message {
    background-color: var(--danger-light);
    color: var(--danger-color);
    padding: 0.75rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.hidden {
    display: none !important;
}

/* =============================================================================
   App Layout - Unified layout with sidebar
   ============================================================================= */

.app-layout,
.admin-layout {
    display: flex;
    min-height: 100vh;
    background-color: var(--bg-color);
    overflow-x: hidden;
    max-width: 100vw;
}

/* Sidebar */
.sidebar {
    width: 220px;
    background-color: #F0F2F5;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 200;
    border-right: 1px solid var(--border-color);
    transition: width 0.3s ease, transform 0.3s ease;
}

.sidebar.collapsed {
    width: 56px;
    overflow: hidden;
}

/* Sidebar Header - matches topbar height */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 12px;
    border-bottom: 1px solid var(--border-color);
    gap: 10px;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: 0 8px;
}

.sidebar.collapsed .sidebar-brand {
    display: none;
}

.sidebar-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px 10px;
    border-radius: var(--radius);
    transition: all 0.2s;
    font-size: 1rem;
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background-color: white;
    color: var(--text-color);
}

.sidebar-brand,
.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
}

.brand-logo,
.logo-img {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    object-fit: contain;
}

.brand-text,
.logo-text {
    font-family: 'Raleway', Arial, sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    white-space: nowrap;
    color: var(--primary-dark);
    transition: opacity 0.2s, width 0.2s;
}

.sidebar.collapsed .brand-text,
.sidebar.collapsed .logo-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: 8px;
    overflow-y: auto;
}

.sidebar .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius);
    margin-bottom: 4px;
    transition: all 0.15s;
    cursor: pointer;
    font-size: 0.95rem;
}

.sidebar .nav-item:hover {
    background-color: var(--primary-pastel);
    color: var(--primary-dark);
}

.sidebar .nav-item.active {
    background-color: var(--primary-pastel);
    color: var(--primary-dark);
    font-weight: 500;
}

.sidebar .nav-icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar .nav-label {
    white-space: nowrap;
    overflow: hidden;
    transition: opacity 0.2s, width 0.2s;
}

.sidebar.collapsed .nav-label {
    opacity: 0;
    width: 0;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 8px;
    border-top: 1px solid var(--border-color);
}

.sidebar-footer .user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.sidebar-footer .user-info .nav-icon {
    font-size: 0.9rem;
}

/* Language Selector */
.lang-selector {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.lang-selector .nav-icon {
    font-size: 0.9rem;
}

.lang-select {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 4px 8px;
    font-size: 0.8rem;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s;
}

.lang-select:hover {
    border-color: var(--primary-color);
}

.lang-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-pastel);
}

.sidebar.collapsed .lang-selector .lang-select {
    display: none;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    line-height: 1;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Main Content Area */
.main-content,
.admin-main {
    flex: 1;
    margin-left: 220px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
    overflow-x: hidden;
    max-width: calc(100vw - 220px);
}

.sidebar.collapsed ~ .main-content,
.sidebar.collapsed + .admin-main {
    margin-left: 56px;
}

/* Top Bar - matches sidebar header height */
.topbar,
.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: var(--header-height);
    padding: 8px 20px;
    background: white;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    gap: 12px;
    flex-wrap: wrap;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.sidebar-toggle-mobile {
    display: none;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px 10px;
    border-radius: var(--radius);
    font-size: 1rem;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    white-space: nowrap;
}

.admin-topbar h1 {
    font-size: 1.25rem;
    color: var(--text-color);
    margin: 0;
}

.topbar-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
    min-width: 0;
    overflow: hidden;
}

.topbar-filter {
    display: flex;
    align-items: center;
    margin-right: auto;
}

.topbar-filter .filter-select {
    min-width: 140px;
}

.filter-buttons {
    display: flex;
    gap: 4px;
}

/* Filter button icons - square style using btn-icon as base */
.filter-btn.btn-icon {
    width: 32px;
    height: 32px;
}

.filter-btn.btn-icon.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.filter-btn.btn-icon.active:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

/* Content Area */
.content-area,
.admin-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    overflow-x: hidden;
}

.content-filters {
    margin-bottom: 1rem;
}

.filter-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: white;
    font-size: 0.9rem;
    min-width: 200px;
}

/* =============================================================================
   Slide Panel (replaces modals)
   ============================================================================= */

.slide-panel-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 999;
}

.slide-panel-overlay.open {
    opacity: 1;
    visibility: visible;
}

.slide-panel {
    position: fixed;
    top: 12px;
    right: 0;
    bottom: 12px;
    width: 69%;
    min-width: 320px;
    height: auto;
    background: white;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.3s ease-out;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    border-radius: 12px 0 0 12px;
}

.slide-panel.terminal-panel {
    width: 81%;
}

/* Narrower slide panels for simpler forms (alerts, users, clients) */
@media (min-width: 1200px) {
    .slide-panel.narrow-panel {
        width: 50%;
    }
}

@media (min-width: 1600px) {
    .slide-panel.narrow-panel {
        width: 40%;
    }
}

@media (min-width: 1920px) {
    .slide-panel.narrow-panel {
        width: 33%;
    }
}

.slide-panel.open {
    transform: translateX(0);
}

.slide-panel .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-color);
    flex-shrink: 0;
    border-radius: 12px 0 0 0;
}

.slide-panel .panel-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.slide-panel .panel-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.slide-panel .panel-close:hover {
    background: var(--border-color);
    color: var(--text-color);
}

.slide-panel .panel-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    min-height: 0;
}

/* Full-width panel body for VNC/terminal */
.slide-panel.terminal-panel .panel-body {
    padding: 10px;
    overflow: hidden;
}

.slide-panel .panel-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-color);
    flex-shrink: 0;
}

.slide-panel .panel-footer:empty {
    display: none;
}

/* Body class when panel is open */
body.panel-open {
    overflow: hidden;
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 199;
}

.sidebar-overlay.open {
    display: block;
}

/* =============================================================================
   Legacy App Container (keeping for backward compatibility)
   ============================================================================= */

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-container .device-cards-container {
    flex: 1;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: white;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-left h1 {
    color: var(--primary-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    font-weight: 500;
    color: var(--text-secondary);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-admin {
    background-color: var(--primary-light);
    color: var(--primary-dark);
}

.badge-client {
    background-color: var(--warning-light);
    color: var(--warning-color);
    font-size: 0.75rem;
    padding: 0.3rem 0.75rem;
}

/* Client link in tables */
.client-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.client-link:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

/* Legacy nav-tab styles (keeping for compatibility) */
.app-nav {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: white;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.nav-tab {
    padding: 0.5rem 1rem;
    border: none;
    background: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius);
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-tab:hover {
    background-color: var(--bg-color);
}

.nav-tab.active {
    background-color: var(--primary-pastel);
    color: var(--primary-dark);
}

/* =============================================================================
   Main Content
   ============================================================================= */

.app-content {
    flex: 1;
    padding: 1.5rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    color: var(--text-color);
}

/* =============================================================================
   Data Tables
   ============================================================================= */

.data-table-container {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: var(--bg-color);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.data-table tr:hover {
    background-color: #FAFAFA;
}

.data-table .loading {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
}

.data-table .actions {
    display: flex;
    gap: 0.35rem;
}

/* Frappe-style tags */
.tag {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--bg-color);
    color: var(--text-secondary);
    text-transform: capitalize;
}

.tag.admin {
    background-color: var(--primary-pastel);
    color: var(--primary-dark);
}

.tag.sensor {
    background-color: var(--success-light);
    color: #3D8B3D;
}

.tag.gateway {
    background-color: var(--warning-light);
    color: #B8860B;
}

/* Status dot for tables */
.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--text-muted);
}

.status-dot.online {
    background-color: var(--success-color);
    box-shadow: 0 0 6px var(--success-color);
}

.status-dot.offline {
    background-color: var(--danger-color);
}

/* Monospace text */
.mono {
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* =============================================================================
   Dashboard Stats
   ============================================================================= */

.dashboard-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: white;
    padding: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    flex: 1;
    min-width: 140px;
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
}

.stat-icon.online {
    background-color: var(--success-light);
    color: var(--success-color);
}

.stat-icon.offline {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

.stat-icon.power {
    background-color: var(--primary-pastel);
    color: var(--primary-color);
}

.stat-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    white-space: nowrap;
}

/* =============================================================================
   Device Cards Grid (Shelly-style compact square)
   ============================================================================= */

.device-cards-container {
    padding: 0;
}

.device-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 12px;
}

/* Device Card - Compact square */
.device-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 10px;
    transition: all 0.15s;
    display: flex;
    flex-direction: column;
    align-items: center;
    aspect-ratio: 1;
    line-height: 1;
    position: relative;
}

.device-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-1px);
}

.device-card.offline {
    opacity: 0.6;
}

/* Card Top Row */
.card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 2px;
}

.device-type-badge {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-muted);
    background: var(--bg-color);
    padding: 3px 6px;
    border-radius: 4px;
    letter-spacing: 0.3px;
}

/* Card Title */
.device-card .card-title {
    width: 100%;
    text-align: center;
    margin-top: 8px;
    margin-bottom: 6px;
}

.device-card .device-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-color);
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Card Center Badge - Secondary params (2 values) */
.card-center-badge {
    display: flex;
    gap: 8px;
    justify-content: center;
    align-items: center;
    margin: auto 0;
    padding: 6px 10px;
    background: var(--bg-color);
    border-radius: 20px;
}

.card-center-badge .param {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 3px;
    line-height: 1;
}

.card-center-badge .param i {
    font-size: 12px;
    color: var(--primary-color);
}

.card-center-badge .param.muted {
    color: var(--text-muted);
}

/* Card Main Badge - Primary value (bottom) */
.card-main-badge {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    padding: 4px 12px;
    border-radius: 12px;
    margin-top: auto;
}

.card-main-badge.online {
    background: var(--primary-pastel);
    color: var(--primary-color);
}

.card-main-badge.offline {
    background: var(--bg-color);
    color: var(--text-muted);
}

.card-main-badge .main-value {
    font-size: 21px;
    font-weight: 700;
    line-height: 1;
}

.card-main-badge .main-unit {
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
}

.card-main-badge .main-nodata {
    font-size: 13px;
    font-weight: 500;
}

/* Card Info Button - Bottom right */
.card-info-btn {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 14px;
    transition: all 0.15s;
}

.card-info-btn:hover {
    color: var(--primary-color);
    background: var(--primary-pastel);
}

/* =============================================================================
   MQTT Status Page
   ============================================================================= */

.mqtt-status-layout {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Square Stat Cards */
.mqtt-status-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 768px) {
    .mqtt-status-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .mqtt-status-cards {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
}

.mqtt-stat-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s;
}

.mqtt-stat-card:hover {
    box-shadow: var(--shadow-hover);
}

.mqtt-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--primary-pastel);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.mqtt-stat-icon.broker {
    background: var(--secondary-light);
    color: var(--text-secondary);
}

.mqtt-stat-icon.devices {
    background: var(--success-light);
    color: var(--success-color);
}

.mqtt-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mqtt-stat-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.mqtt-stat-value.connected {
    color: var(--success-color);
}

.mqtt-stat-value.disconnected {
    color: var(--danger-color);
}

.mqtt-stat-value.broker {
    font-size: 0.9rem;
    font-family: 'SF Mono', Monaco, 'Consolas', monospace;
    word-break: break-all;
}

.mqtt-stat-value.count {
    font-size: 2rem;
    color: var(--primary-color);
}

/* View Toggle */
.view-toggle {
    display: flex;
    gap: 4px;
}

.view-btn {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
}

.view-btn.active {
    background: var(--primary-pastel);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* MQTT Device Container - Grid/List views */
.mqtt-device-container {
    display: grid;
    gap: 0.75rem;
}

.mqtt-device-container.grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.mqtt-device-container.list {
    grid-template-columns: 1fr;
}

.mqtt-device-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: var(--bg-color);
    border-radius: var(--radius);
    transition: all 0.15s;
    overflow: hidden;
    max-width: 100%;
    position: relative;
}

.mqtt-device-item:hover {
    background: var(--primary-pastel);
}

.mqtt-device-item > i {
    font-size: 1.25rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.mqtt-device-id {
    font-size: 0.85rem;
    font-weight: 600;
    font-family: 'SF Mono', Monaco, 'Consolas', monospace;
    color: var(--primary-color);
    background: var(--primary-pastel);
    padding: 2px 8px;
    border-radius: 4px;
    flex-shrink: 0;
}

.mqtt-device-name {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.mqtt-device-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
    margin-right: 16px;
}

.mqtt-device-actions .btn-icon {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
}

.mqtt-device-actions .btn-rpc:hover {
    background: var(--primary-pastel);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.mqtt-device-status {
    font-size: 0.5rem;
    position: absolute;
    top: 6px;
    right: 6px;
}

.mqtt-device-status.online {
    color: var(--success-color);
}

.mqtt-device-status.offline {
    color: var(--danger-color);
}

/* List view adjustments */
.mqtt-device-container.list .mqtt-device-item {
    padding: 0.625rem 1rem;
}

.mqtt-device-container.list .mqtt-device-id {
    min-width: 60px;
    text-align: center;
}

/* RPC Modal Styles */
.rpc-modal {
    max-width: 600px;
    max-height: 80vh;
}

.rpc-modal .modal-body {
    max-height: 60vh;
    overflow-y: auto;
}

.rpc-loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

.rpc-error {
    color: var(--danger-color);
    padding: 1rem;
    background: var(--danger-light);
    border-radius: var(--radius);
}

.rpc-success {
    color: var(--success-color);
    padding: 1rem;
    background: var(--success-light);
    border-radius: var(--radius);
    font-size: 1.25rem;
    text-align: center;
}

.rpc-logs {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 1rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    line-height: 1.4;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 400px;
}

/* Formatted logs container */
.rpc-logs-container {
    background: #1a1a2e;
    border-radius: var(--radius);
    max-height: 70vh;
    overflow-y: auto;
}

.rpc-logs-empty {
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
}

.log-entry {
    padding: 4px 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-family: 'SF Mono', Monaco, 'Consolas', monospace;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-entry:hover {
    background: rgba(255, 255, 255, 0.03);
}

.log-meta {
    font-size: 10px;
    color: #6b7280;
    margin-bottom: 1px;
    display: flex;
    gap: 8px;
}

.log-message {
    font-size: 10px;
    color: #e5e7eb;
    line-height: 1.2;
    word-break: break-word;
}

.rpc-result {
    background: var(--bg-color);
    padding: 1rem;
    border-radius: var(--radius);
    font-size: 0.8rem;
    overflow-x: auto;
}

/* Status grid for RPC device status */
.slide-panel .status-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

.slide-panel .status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.slide-panel .status-item:last-child {
    border-bottom: none;
}

.slide-panel .status-item .label {
    color: var(--text-muted);
}

.slide-panel .status-item .value {
    font-weight: 500;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.375rem;
    text-align: right;
}

.slide-panel .status-item .value.online {
    color: var(--success-color);
}

.slide-panel .status-item .value.offline {
    color: var(--danger-color);
}

/* MQTT Device List - simple list layout */
.mqtt-device-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow: hidden;
    max-width: 100%;
}

/* Mobile responsive for MQTT Status page */
@media (max-width: 480px) {
    .mqtt-device-item {
        padding: 0.625rem 0.75rem;
        gap: 0.5rem;
    }

    .mqtt-device-item > i {
        display: none;
    }

    .mqtt-device-id {
        font-size: 0.75rem;
        padding: 2px 6px;
    }

    .mqtt-device-name {
        font-size: 0.8rem;
    }

    .mqtt-device-actions .btn-icon {
        width: 24px;
        height: 24px;
        font-size: 0.7rem;
    }

    .header-search {
        padding: 0.25rem 0.5rem;
    }

    .header-search input {
        width: 100px;
        font-size: 0.8rem;
    }

    .mqtt-card-footer {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.5rem 0.75rem;
    }

    .pagination-controls {
        width: 100%;
        justify-content: center;
    }
}

/* Slider loading state */
.slider-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 3rem 1rem;
    color: var(--text-muted);
    font-size: 1rem;
}

.slider-loading i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* Legacy status cards (keep for backward compatibility) */
.status-cards {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.status-card {
    background: white;
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    min-width: 200px;
}

.status-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.status-value {
    font-size: 1.25rem;
    font-weight: 600;
}

.status-value.connected {
    color: var(--success-color);
}

.status-value.disconnected {
    color: var(--danger-color);
}

/* =============================================================================
   Pending Device Cards
   ============================================================================= */

.pending-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.pending-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    border: 1px solid var(--border-color);
}

.pending-card h4 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.pending-card .info-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.pending-card .info-label {
    color: var(--text-muted);
}

.pending-card .actions {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
}

.info-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* =============================================================================
   Modal
   ============================================================================= */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--primary-pastel);
}

.modal-header h3 {
    color: var(--primary-dark);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.modal-header h3 i {
    color: var(--primary-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-muted);
    line-height: 1;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.modal-close:hover {
    color: var(--danger-color);
    background: var(--danger-light);
}

.modal-body {
    padding: 1.25rem;
}

.modal-body .form-group {
    margin-bottom: 1rem;
}

.modal-body .form-group:last-child {
    margin-bottom: 0;
}

.modal-body .form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.modal-body .form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.modal-body .form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-pastel);
}

.modal-body textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    background: var(--secondary-light);
}

.modal-content form {
    padding: 1.25rem;
}

/* =============================================================================
   Utilities
   ============================================================================= */

.loading-spinner {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state,
.error-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

/* App Footer */
.app-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: white;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: auto;
}

.footer-logo {
    height: 32px;
    object-fit: contain;
}

.error-state {
    color: var(--danger-color);
}

.refresh-icon {
    display: inline-block;
    transition: transform 0.3s;
}

.btn:active .refresh-icon {
    transform: rotate(180deg);
}

/* =============================================================================
   Responsive
   ============================================================================= */

@media (max-width: 1200px) {
    .slide-panel {
        width: 75%;
    }
}

@media (max-width: 1024px) {
    .slide-panel {
        width: 80%;
    }
}

@media (max-width: 768px) {
    /* Sidebar becomes overlay on mobile */
    .sidebar {
        transform: translateX(-100%);
        width: 260px;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar.collapsed {
        width: 260px;
        transform: translateX(-100%);
    }

    .sidebar.collapsed.open {
        transform: translateX(0);
    }

    .sidebar.collapsed .nav-label,
    .sidebar.collapsed .brand-text {
        opacity: 1;
        width: auto;
    }

    /* Hide sidebar toggle in sidebar header on mobile (use topbar toggle instead) */
    .sidebar .sidebar-toggle {
        display: none;
    }

    .main-content,
    .admin-main {
        margin-left: 0;
        max-width: 100vw;
        width: 100%;
    }

    .sidebar.collapsed ~ .main-content,
    .sidebar.collapsed + .admin-main {
        margin-left: 0;
        max-width: 100vw;
    }

    .sidebar-toggle-mobile {
        display: flex;
    }

    /* Slide panel full width on mobile */
    .slide-panel {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        border-radius: 0;
    }

    .slide-panel .panel-header {
        border-radius: 0;
    }

    .topbar,
    .admin-topbar {
        padding: 8px 12px;
        min-height: auto;
    }

    .page-title {
        font-size: 1rem;
    }

    .topbar-actions {
        gap: 8px;
    }

    .topbar-filter .filter-select {
        min-width: 120px;
        font-size: 0.85rem;
        padding: 0.4rem 0.6rem;
    }

    .content-area,
    .admin-content {
        padding: 12px;
    }

    .app-header {
        padding: 0.75rem 1rem;
    }

    .header-left h1 {
        font-size: 1.2rem;
    }

    .app-content {
        padding: 1rem;
    }

    .dashboard-stats {
        padding: 0;
        gap: 8px;
        margin-bottom: 8px;
    }

    .stat-card {
        padding: 0.75rem 1rem;
        min-width: 0;
        flex: 1;
    }

    .stat-label {
        display: none;
    }

    .device-cards-container {
        padding: 0;
    }

    .device-cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 6px;
    }

    .data-table-container {
        overflow-x: auto;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* =============================================================================
   Terminal Modal Styles
   ============================================================================= */

.modal-fullscreen {
    width: 95vw;
    max-width: 1400px;
    height: 85vh;
    max-height: 900px;
    display: flex;
    flex-direction: column;
}

.modal-fullscreen .modal-header {
    flex-shrink: 0;
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--radius) var(--radius) 0 0;
}

.modal-fullscreen .modal-header h3 {
    color: white;
    font-size: 1rem;
}

.modal-fullscreen .modal-close {
    color: white;
    opacity: 0.8;
}

.modal-fullscreen .modal-close:hover {
    opacity: 1;
}

.terminal-container {
    flex: 1;
    background: #1e1e1e;
    border-radius: 0 0 var(--radius) var(--radius);
    overflow: hidden;
}

.terminal-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: #1e1e1e;
}

/* Terminal button in actions */
.btn-terminal {
    background: #2d3436;
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: background 0.2s;
}

.btn-terminal:hover {
    background: #000;
}

.btn-terminal:disabled {
    background: #95a5a6;
    cursor: not-allowed;
}

.btn-terminal i {
    font-size: 0.75rem;
}

/* =============================================================================
   MQTT Explorer Styles - Compact View
   ============================================================================= */

/* Base styles for MQTT Explorer - inherits from body */

/* Monospace elements */
.mqtt-explorer-page code,
.mqtt-explorer-page .mono,
.mqtt-explorer-page .topic-label,
.mqtt-explorer-page .message-topic,
.mqtt-explorer-page .message-preview,
.mqtt-explorer-page .payload-content,
.mqtt-explorer-page .detail-info-value,
.mqtt-explorer-page .publish-form input,
.mqtt-explorer-page .publish-form textarea {
    font-family: monospace;
}

.mqtt-explorer-page .main-content {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.mqtt-explorer-page .content-area {
    flex: 1;
    display: flex;
    overflow: auto;
    padding: 12px;
    gap: 12px;
    min-height: 0;
}

/* New MQTT Explorer Layout - Two Cards */
.mqtt-explorer-layout {
    display: flex;
    flex-direction: row;
    gap: 12px;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

.mqtt-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.mqtt-topics-card {
    flex: 6;
    min-width: 0;
    min-height: 200px;
}

.mqtt-right-column {
    flex: 4;
    min-width: 280px;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-height: 0;
}

.mqtt-publish-card {
    flex-shrink: 0;
}

.mqtt-detail-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 200px;
}

.mqtt-detail-card .detail-content {
    flex: 1;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.mqtt-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-color);
}

.mqtt-card-header[data-toggle="collapse"] {
    cursor: pointer;
    user-select: none;
}

.mqtt-card-header[data-toggle="collapse"]:hover {
    background: var(--bg-hover);
}

.mqtt-card-header .collapse-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    font-size: 10px;
    color: var(--text-muted);
    transition: transform 0.2s;
}

.mqtt-card.collapsible.collapsed .mqtt-card-header .collapse-icon {
    transform: rotate(-90deg);
}

.mqtt-card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mqtt-card-header h3 i {
    color: var(--primary-color);
}

/* Collapsible content */
.mqtt-card.collapsible.collapsed .collapsible-content,
.mqtt-card.collapsible.collapsed .mqtt-card-body.collapsible-content,
.mqtt-card.collapsible.collapsed .detail-content.collapsible-content {
    display: none !important;
}

.mqtt-card.collapsible.collapsed {
    flex: 0 0 auto !important;
    min-height: auto !important;
    height: auto !important;
}

.mqtt-topics-card.collapsed,
.mqtt-detail-card.collapsed {
    flex: 0 0 auto !important;
    min-height: auto !important;
}

.mqtt-card.collapsible.collapsed .mqtt-card-header {
    border-bottom: none;
}

.header-stats {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.header-spacer {
    flex: 1;
}

.search-input-sm {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.85rem;
    width: 150px;
}

.search-input-sm:focus {
    outline: none;
    border-color: var(--primary-color);
}

.mqtt-card-body {
    flex: 1;
    overflow: auto;
    overflow-x: hidden;
    padding: 0.5rem;
    max-width: 100%;
}

/* Header search filter */
.header-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.375rem 0.625rem;
    margin-right: 0.5rem;
}

.header-search i {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.header-search input {
    border: none;
    background: none;
    font-size: 0.85rem;
    width: 140px;
    color: var(--text-color);
}

.header-search input:focus {
    outline: none;
}

.header-search input::placeholder {
    color: var(--text-muted);
}

/* Card footer with pagination */
.mqtt-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-color);
    font-size: 0.8rem;
}

.pagination-info {
    color: var(--text-muted);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pagination-controls .btn-icon {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
}

.pagination-controls .btn-icon:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-page {
    color: var(--text-color);
    font-weight: 500;
    min-width: 60px;
    text-align: center;
}

/* Publish Form */
.mqtt-publish-card .publish-form {
    padding: 0.75rem;
}

.mqtt-publish-card .publish-form .form-group {
    margin-bottom: 0.6rem;
}

.mqtt-publish-card .publish-form label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.mqtt-publish-card .publish-form input,
.mqtt-publish-card .publish-form select,
.mqtt-publish-card .publish-form textarea {
    width: 100%;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-family: monospace;
}

.mqtt-publish-card .publish-form textarea {
    resize: vertical;
    min-height: 60px;
}

.mqtt-publish-card .publish-form .form-row {
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
}

.mqtt-publish-card .publish-form .form-row-spread {
    justify-content: space-between;
}

.mqtt-publish-card .publish-form .form-row-left {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
}

.mqtt-publish-card .publish-form .btn-icon.btn-primary {
    background: var(--primary-color);
    color: white;
}

.mqtt-publish-card .publish-form .btn-icon.btn-primary:hover {
    background: var(--primary-dark);
}

.mqtt-publish-card .publish-form .form-group-sm {
    flex: 0 0 auto;
}

.mqtt-publish-card .publish-form .form-group-sm select {
    width: 60px;
}

.mqtt-publish-card .publish-form .checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-color);
    padding-bottom: 0.4rem;
}

.btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
}

/* Detail Content */
.mqtt-detail-card .detail-info {
    margin-bottom: 0.75rem;
    flex-shrink: 0;
}

.mqtt-detail-card .detail-info-row {
    display: flex;
    padding: 0.4rem 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.mqtt-detail-card .detail-info-row:last-child {
    border-bottom: none;
}

.mqtt-detail-card .detail-info-label {
    min-width: 60px;
    color: var(--text-muted);
    font-weight: 500;
}

.mqtt-detail-card .detail-info-value {
    flex: 1;
    color: var(--text-color);
    word-break: break-all;
    font-family: monospace;
    font-size: 0.8rem;
}

.mqtt-detail-card .payload-two-column {
    display: flex;
    background: #1e1e1e;
    border-radius: var(--radius-lg);
    overflow: auto;
    flex: 1;
    min-height: 0;
}

.mqtt-detail-card .payload-markers {
    display: flex;
    flex-direction: column;
    padding: 0.5rem 0.25rem;
    background: #252526;
}

.mqtt-detail-card .payload-json {
    flex: 1;
    min-height: 0;
    background: #2d2d30;
    border-radius: var(--radius);
    margin: 0.5rem;
}

.mqtt-detail-card .payload-content {
    margin: 0;
    padding: 0.5rem;
    font-size: 12px;
    line-height: 19.2px;
    color: #e0e0e0;
    white-space: pre;
    word-break: break-all;
    background: #2d2d30;
    border-radius: var(--radius);
}

/* Value change indicators */
.json-value-added {
    color: #4ec9b0;
    background: rgba(78, 201, 176, 0.15);
}

.json-value-removed {
    color: #f14c4c;
    background: rgba(241, 76, 76, 0.15);
    text-decoration: line-through;
}

.json-value-changed {
    color: #dcdcaa;
    background: rgba(220, 220, 170, 0.15);
}

.value-diff {
    font-size: 0.7rem;
    margin-left: 4px;
    opacity: 0.8;
}

.value-diff.positive {
    color: #4ec9b0;
}

.value-diff.negative {
    color: #f14c4c;
}

/* Diff view styles - MQTT Explorer style */
.payload-diff-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.json-line {
    display: flex;
    align-items: center;
    min-height: 16px;
    line-height: 16px;
    padding: 0 4px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Consolas', monospace;
    font-size: 11px;
}

.json-line .line-marker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    flex-shrink: 0;
    margin-right: 2px;
}

.json-line .json-content {
    flex: 1;
    white-space: pre;
}

.json-line .json-indent {
    white-space: pre;
}

.line-marker .chart-marker {
    color: var(--success-color);
    cursor: pointer;
    font-size: 11px;
    padding: 2px;
    border-radius: 3px;
    transition: all 0.15s;
}

.line-marker .chart-marker:hover {
    color: #fff;
    background-color: var(--success-color);
}

.line-marker .chart-marker-placeholder {
    width: 16px;
    display: inline-block;
}

.diff-line-added {
    background: rgba(78, 201, 176, 0.25);
}

.diff-line-removed {
    background: rgba(241, 76, 76, 0.25);
}

.diff-line-changed {
    background: rgba(78, 201, 176, 0.25);
}

.diff-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    font-weight: bold;
    flex-shrink: 0;
}

.diff-plus {
    color: #4ec9b0;
}

.diff-minus {
    color: #f14c4c;
}

.diff-summary {
    padding: 6px 10px;
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
    text-align: right;
}

.diff-summary .diff-added {
    color: #4ec9b0;
    font-weight: 500;
}

.diff-summary .diff-removed {
    color: #f14c4c;
    font-weight: 500;
}

/* History section */
.history-section {
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    flex-shrink: 0;
}

.history-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--bg-color);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-color);
    user-select: none;
}

.history-header:hover {
    background: var(--border-color);
}

.history-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    font-size: 10px;
    color: var(--text-muted);
    transition: transform 0.2s;
}

.history-toggle.expanded {
    transform: rotate(90deg);
}

.history-badge {
    background: var(--primary-color);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: auto;
}

.history-content {
    display: none;
    max-height: 150px;
    overflow-y: auto;
    background: #fafafa;
}

.history-content.expanded {
    display: block;
}

.history-list {
    padding: 4px;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.1s;
}

.history-item:hover {
    background: var(--border-color);
}

.history-item.current {
    background: var(--primary-pastel);
}

.history-time {
    font-family: monospace;
    color: var(--text-muted);
    flex-shrink: 0;
    min-width: 65px;
}

.history-preview {
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: monospace;
}

.detail-info-row-inline {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Topic Tree with Inline Values */
.topic-tree-node {
    margin: 0;
    padding: 0;
}

.topic-tree-item {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 3px 4px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
    transition: background 0.1s;
}

.topic-tree-item:hover {
    background: var(--bg-color);
}

.topic-tree-item.selected {
    background: var(--primary-pastel);
}

.topic-toggle {
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    color: var(--text-muted);
    transition: transform 0.15s;
    flex-shrink: 0;
}

.topic-toggle.expanded {
    transform: rotate(90deg);
}

.topic-toggle.no-children {
    visibility: hidden;
}

.topic-icon {
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    flex-shrink: 0;
}

.topic-icon.folder {
    color: #f5a623;
}

.topic-icon.leaf {
    color: var(--primary-color);
}

.topic-icon.broker {
    color: var(--success-color);
}

.topic-tree-item.broker-root {
    font-weight: 600;
    background: var(--bg-color);
    border-radius: var(--radius);
    margin-bottom: 2px;
}

.topic-tree-item.broker-root.disconnected .topic-icon.broker {
    color: var(--danger-color);
}

.topic-tree-item.broker-root.disconnected .topic-name {
    color: var(--text-muted);
}

.topic-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: monospace;
}

.topic-value {
    flex-shrink: 0;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 11px;
    color: var(--text-secondary);
    font-family: monospace;
    background: var(--bg-color);
    padding: 1px 6px;
    border-radius: 3px;
}

.topic-value.json {
    color: var(--primary-color);
}

.topic-value.number {
    color: var(--success-color);
}

.topic-time {
    flex-shrink: 0;
    font-size: 10px;
    color: var(--text-muted);
    min-width: 40px;
    text-align: right;
}

/* New message tilt animation */
.topic-tree-item.new-message {
    animation: tiltPulse 0.5s ease-out;
}

@keyframes tiltPulse {
    0% {
        transform: translateX(0);
        background-color: transparent;
    }
    15% {
        transform: translateX(-2px) rotate(-0.5deg);
        background-color: var(--warning-light);
    }
    30% {
        transform: translateX(2px) rotate(0.5deg);
    }
    45% {
        transform: translateX(-1px) rotate(-0.3deg);
    }
    60% {
        transform: translateX(1px) rotate(0.3deg);
    }
    100% {
        transform: translateX(0) rotate(0);
        background-color: transparent;
    }
}

.topic-children {
    display: none;
    margin-left: 6px;
    padding: 0;
}

.topic-children.expanded {
    display: block;
}

/* Connection Badge */
.connection-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
}

.connection-badge.connected {
    background-color: var(--success-light);
    color: #2d7a2d;
}

.connection-badge.connected i {
    color: var(--success-color);
    animation: pulse 2s infinite;
}

.connection-badge.disconnected {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* MQTT Panels */
.mqtt-panel {
    display: flex;
    flex-direction: column;
    background-color: var(--card-bg);
    min-width: 0;
}

.topic-panel {
    flex: 0 0 220px;
    min-width: 150px;
    max-width: 350px;
    resize: horizontal;
    overflow: hidden;
    transition: flex-basis 0.2s ease, min-width 0.2s ease, max-width 0.2s ease;
}

.messages-panel {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.detail-panel {
    flex: 0 0 280px;
    min-width: 200px;
    max-width: 350px;
    display: flex;
    flex-direction: column;
    gap: 1px;
    background-color: var(--border-color);
}

.detail-panel > div {
    background-color: var(--card-bg);
}

/* Panel Header */
.mqtt-panel .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-color);
    gap: 8px;
}

.mqtt-panel .panel-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1;
    margin: 0;
}

.mqtt-panel .panel-header h3 i {
    color: var(--primary-color);
    font-size: 14px;
}

.topic-stats, .message-stats {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1;
}

/* Panel Toolbar */
.panel-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 8px;
    border-bottom: 1px solid var(--border-color);
    background-color: #FAFBFC;
}

.search-input {
    flex: 1;
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    background: white;
    line-height: 1;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.selected-topic {
    flex: 1;
    font-size: 14px;
    color: var(--text-secondary);
    overflow: hidden;
    line-height: 1;
}

.selected-topic .topic-label {
    color: var(--primary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.checkbox-inline {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
    cursor: pointer;
    line-height: 1;
}

.checkbox-inline input {
    margin: 0;
    width: 12px;
    height: 12px;
}

/* Panel Content */
.mqtt-panel .panel-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.mqtt-panel .empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 14px;
    gap: 6px;
    line-height: 1;
}

.mqtt-panel .empty-state i {
    font-size: 24px;
    opacity: 0.5;
}

/* Topic Tree - Update animation */
.topic-tree-item.has-update {
    animation: highlight 0.5s ease;
}

@keyframes highlight {
    0% { background-color: var(--warning-light); }
    100% { background-color: transparent; }
}

.topic-badge {
    font-size: 10px;
    padding: 1px 6px;
    background-color: var(--primary-pastel);
    color: var(--primary-dark);
    border-radius: 999px;
    margin-left: 6px;
    line-height: 1;
}

/* Message List */
.message-list {
    padding: 4px;
    flex: 1;
    overflow-y: auto;
}

.message-item {
    display: flex;
    flex-direction: column;
    padding: 6px 8px;
    margin-bottom: 3px;
    background-color: #FAFBFC;
    border-radius: 4px;
    border-left: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.1s;
}

.message-item:hover {
    background-color: var(--bg-color);
    border-left-color: var(--primary-light);
}

.message-item.selected {
    background-color: var(--primary-pastel);
    border-left-color: var(--primary-color);
}

.message-item.new {
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3px;
}

.message-topic {
    font-size: 13px;
    color: var(--primary-color);
    font-weight: 500;
    word-break: break-all;
    flex: 1;
    line-height: 1;
}

.message-time {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    margin-left: 8px;
    line-height: 1;
    font-family: monospace;
}

.message-preview {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1;
}

.message-meta {
    display: flex;
    gap: 8px;
    margin-top: 3px;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1;
}

.message-meta span {
    display: flex;
    align-items: center;
    gap: 3px;
}

/* Chart Container - below messages */
.chart-container {
    height: 0;
    overflow: hidden;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    transition: height 0.2s ease;
}

.chart-container.visible {
    height: 150px;
}

.chart-container .chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.chart-container .chart-header h4 {
    font-size: 12px;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.chart-container .chart-header h4 i {
    color: var(--primary-color);
}

.chart-container .chart-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 6px;
    font-size: 12px;
}

.chart-container .chart-close:hover {
    color: var(--text-color);
}

.chart-container .chart-body {
    height: calc(100% - 32px);
    padding: 8px;
    display: flex;
    align-items: flex-end;
    gap: 2px;
}

.chart-bar {
    flex: 1;
    background-color: var(--primary-light);
    border-radius: 2px 2px 0 0;
    min-height: 4px;
    max-width: 20px;
    transition: height 0.2s ease;
    position: relative;
}

.chart-bar:hover {
    background-color: var(--primary-color);
}

.chart-bar::after {
    content: attr(data-value);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    color: var(--text-muted);
    white-space: nowrap;
    display: none;
}

.chart-bar:hover::after {
    display: block;
}

/* Publish Section */
.publish-section {
    flex-shrink: 0;
}

.publish-form {
    padding: 8px;
}

.publish-form .form-group {
    margin-bottom: 6px;
}

.publish-form label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 3px;
    display: block;
    line-height: 1;
}

.publish-form input,
.publish-form select,
.publish-form textarea {
    width: 100%;
    padding: 5px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    font-family: monospace;
    line-height: 1.2;
}

.publish-form textarea {
    resize: vertical;
    min-height: 50px;
}

.form-row {
    display: flex;
    gap: 8px;
}

.form-group-sm {
    flex: 1;
}

.form-group-sm .checkbox-label {
    margin-top: 16px;
    font-size: 11px;
    line-height: 1;
}

.btn-block {
    width: 100%;
    padding: 6px 10px;
    font-size: 12px;
    line-height: 1;
}

/* Detail Actions (MQTT Explorer) */
.detail-actions {
    display: flex;
    gap: 4px;
}

.detail-actions .btn-icon {
    width: 24px;
    height: 24px;
    font-size: 11px;
}

.detail-content {
    flex: 1;
    overflow: auto;
    padding: 8px;
}

.detail-content .empty-state {
    padding: 16px;
}

/* Collapsible Detail Sections (Slide Panel) */
.slide-panel .detail-section {
    margin-bottom: 12px;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.slide-panel .section-header-collapsible {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 16px;
    background: var(--bg-color);
    cursor: pointer;
    user-select: none;
    font-weight: 600;
    font-size: 15px;
    color: var(--text-color);
}

.slide-panel .section-header-collapsible:hover {
    background: var(--border-color);
}

.slide-panel .section-header-collapsible span:first-child {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.slide-panel .section-header-collapsible span:first-child i {
    color: var(--primary-color);
    font-size: 14px;
}

.slide-panel .section-chevron {
    font-size: 12px;
    color: var(--text-muted);
    transition: transform 0.2s;
}

.slide-panel .detail-section.collapsed .section-chevron {
    transform: rotate(-90deg);
}

.slide-panel .section-content {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
}

.slide-panel .detail-section.collapsed .section-content {
    display: none !important;
}

/* Alert count badge */
.alert-count {
    background: var(--danger-color);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: auto;
}

/* Status badge in section header */
.status-badge {
    font-size: 14px;
    font-weight: 500;
    padding: 5px 14px;
    border-radius: 12px;
    margin-left: auto;
}

.status-badge.online {
    background: var(--success-light);
    color: var(--success-color);
}

.status-badge.offline {
    background: var(--danger-light);
    color: var(--danger-color);
}

/* Alert Items */
.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    border-radius: var(--radius);
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.4;
}

.alert-item:last-child {
    margin-bottom: 0;
}

.alert-item i {
    font-size: 16px;
    margin-top: 2px;
    flex-shrink: 0;
}

.alert-item p {
    margin: 0;
    flex: 1;
}

.alert-item.warning {
    background: var(--warning-light);
    color: #8B6914;
}

.alert-item.warning i {
    color: var(--warning-color);
}

.alert-item.error {
    background: var(--danger-light);
    color: #8B3A3A;
}

.alert-item.error i {
    color: var(--danger-color);
}

.alert-item.info {
    background: var(--primary-pastel);
    color: var(--primary-dark);
}

.alert-item.info i {
    color: var(--primary-color);
}

/* Detail Info within sections */
.detail-info {
    margin: 0;
}

.detail-info-row {
    display: flex;
    padding: 12px 0;
    font-size: 15px;
    line-height: 1.4;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.detail-info-row:last-child {
    border-bottom: none;
}

.detail-info-label {
    min-width: 90px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.detail-info-value {
    color: var(--text-color);
    word-break: break-word;
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Two-column payload layout: markers | JSON */
.payload-two-column {
    display: flex;
    background-color: #1e1e1e;
    border-radius: 6px;
    overflow: hidden;
    margin-top: 8px;
}

.payload-markers {
    display: flex;
    flex-direction: column;
    background-color: #252526;
    border-right: 1px solid #3c3c3c;
    padding: 8px 0;
    min-width: 24px;
}

.payload-markers .chart-marker,
.payload-markers .chart-marker-empty,
.payload-markers .chart-marker-placeholder {
    height: 19.2px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    font-size: 10px;
    flex-shrink: 0;
}

.payload-markers .chart-marker {
    color: var(--success-color);
    cursor: pointer;
    transition: all 0.15s;
}

.payload-markers .chart-marker:hover {
    color: #fff;
    background-color: var(--success-color);
}

.payload-markers .chart-marker i {
    font-size: 11px;
}

.payload-json {
    flex: 1;
    padding: 8px 12px;
    overflow-x: auto;
}

.payload-content {
    font-size: 14px;
    color: #d4d4d4;
    white-space: pre;
    word-break: normal;
    line-height: 20px;
    margin: 0;
}

/* JSON Syntax Highlighting */
.json-key { color: #9cdcfe; }
.json-string { color: #ce9178; }
.json-number { color: #b5cea8; }
.json-boolean { color: #569cd6; }
.json-null { color: #569cd6; }

/* Charts Area - floating cards grid */
.charts-area {
    position: absolute;
    top: 60px;
    left: 220px;
    right: 0;
    z-index: 50;
    display: none;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px;
    pointer-events: none;
}

.charts-area.has-charts {
    display: flex;
}

.chart-card {
    width: 320px;
    height: 220px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    pointer-events: auto;
    transition: box-shadow 0.2s, width 0.1s, height 0.1s;
    display: flex;
    flex-direction: column;
    position: relative;
}

.chart-card.dragging {
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
    opacity: 0.95;
}

.chart-card.resizing {
    transition: none;
}

/* Chart size variants */
.chart-card.chart-size-small {
    width: 240px;
    height: 160px;
}

.chart-card.chart-size-medium {
    width: 320px;
    height: 220px;
}

.chart-card.chart-size-large {
    width: 450px;
    height: 300px;
}

.chart-card-header {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    background: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
    gap: 8px;
    flex-shrink: 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.chart-card-titles {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.chart-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
    line-height: 1.2;
}

.chart-card-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.2;
}

.chart-card-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
    margin-left: auto;
}

.chart-btn {
    width: 26px;
    height: 26px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.15s;
}

.chart-btn:hover {
    background: var(--border-color);
    color: var(--text-color);
}

.chart-btn.paused {
    color: var(--success-color);
}

/* Chart Settings Menu */
.chart-settings-menu {
    position: absolute;
    top: 36px;
    right: 8px;
    width: 220px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-hover);
    z-index: 1000;
    padding: 12px;
}

.chart-settings-group {
    margin-bottom: 12px;
}

.chart-settings-group:last-child {
    margin-bottom: 0;
}

.chart-settings-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.chart-settings-group label i {
    margin-right: 4px;
    width: 14px;
}

.chart-settings-options {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.chart-option {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: #fff;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.15s;
    color: var(--text-secondary);
}

.chart-option:hover {
    background: var(--bg-color);
    border-color: var(--text-muted);
}

.chart-option.active {
    background: var(--primary-pastel);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.chart-option i {
    font-size: 12px;
}

/* Color buttons */
.chart-color-btn {
    width: 24px;
    height: 24px;
    padding: 0;
    border-radius: 50%;
    border: 2px solid transparent;
}

.chart-color-btn.active {
    border-color: var(--text-color);
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--text-muted);
}

.chart-settings-actions {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.chart-settings-btn {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: #fff;
    font-size: 12px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.15s;
}

.chart-settings-btn:hover {
    background: var(--bg-color);
    color: var(--text-color);
}

.chart-settings-btn i {
    margin-right: 6px;
}

.chart-card-body {
    padding: 12px;
    background: #fff;
    flex: 1;
    min-height: 0;
    position: relative;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    overflow: hidden;
}

.chart-canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Resize handle */
.chart-resize-handle {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 16px;
    height: 16px;
    cursor: nwse-resize;
    background: linear-gradient(135deg, transparent 50%, var(--border-color) 50%);
    border-radius: 0 0 var(--radius-lg) 0;
}

.chart-resize-handle:hover {
    background: linear-gradient(135deg, transparent 50%, var(--primary-color) 50%);
}

/* Legacy chart elements (can be removed if not used) */
.chart-line-container {
    display: flex;
    gap: 8px;
    height: 100%;
}

.chart-y-axis {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    font-size: 10px;
    color: var(--text-muted);
    text-align: right;
    min-width: 36px;
    padding: 2px 0;
}

.chart-area {
    flex: 1;
    background: #fafafa;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.chart-area svg {
    width: 100%;
    height: 100%;
}

.chart-dot {
    cursor: pointer;
}

.chart-dot:hover {
    r: 5;
}

/* History Section in Message Detail is shown via styles above */

/* Collapsible Topic Panel */
.topic-panel.collapsed {
    flex: 0 0 32px !important;
    min-width: 32px !important;
    max-width: 32px !important;
    resize: none;
}

.topic-panel.collapsed .panel-toolbar,
.topic-panel.collapsed .panel-content {
    display: none;
}

.topic-panel.collapsed .panel-header {
    flex-direction: column;
    padding: 8px 4px;
    height: 100%;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    justify-content: flex-start;
    cursor: pointer;
}

.topic-panel.collapsed .panel-header h3 {
    flex-direction: column;
}

.topic-panel.collapsed .topic-stats {
    display: none;
}

.panel-collapse-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 4px;
    font-size: 10px;
    line-height: 1;
    border-radius: 3px;
    transition: all 0.1s;
}

.panel-collapse-btn:hover {
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* Responsive - MQTT Explorer */
@media (max-width: 1200px) {
    .mqtt-right-column {
        min-width: 250px;
        max-width: 350px;
    }

    .topic-value {
        max-width: 150px;
    }
}

@media (max-width: 992px) {
    .mqtt-explorer-layout {
        flex-direction: column;
        width: 100%;
        height: auto;
        overflow: visible;
    }

    .mqtt-topics-card {
        flex: none;
        height: auto;
        max-height: 50vh;
        min-height: 200px;
        width: 100%;
    }

    .mqtt-right-column {
        flex: none;
        max-width: none;
        min-width: 0;
        width: 100%;
    }

    .mqtt-detail-card {
        min-height: 200px;
        width: 100%;
    }

    .mqtt-card {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }

    .mqtt-card-header {
        width: 100%;
        overflow: hidden;
        display: flex;
        flex-wrap: nowrap;
    }

    /* Ensure topbar buttons remain visible */
    .mqtt-explorer-page .topbar-actions {
        display: flex;
        flex-wrap: nowrap;
        gap: 6px;
    }
}

@media (max-width: 768px) {
    .mqtt-explorer-page .content-area {
        padding: 0.5rem;
        gap: 0.5rem;
        flex-direction: column;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .mqtt-explorer-layout {
        flex-direction: column;
        height: auto;
        min-height: auto;
        overflow: visible;
    }

    .mqtt-topics-card {
        flex: none !important;
        height: auto;
        min-height: 150px;
        max-height: 40vh;
        width: 100%;
    }

    .mqtt-topics-card.collapsed {
        max-height: none;
        min-height: auto;
    }

    .mqtt-right-column {
        flex: none !important;
        width: 100%;
        max-width: none;
        min-width: 0;
    }

    .mqtt-card-header {
        padding: 0.5rem 0.75rem;
        gap: 0.5rem;
        flex-wrap: nowrap;
        min-height: 40px;
    }

    .mqtt-card-header h3 {
        font-size: 0.85rem;
        flex-shrink: 0;
    }

    .mqtt-card-header h3 i {
        font-size: 0.8rem;
    }

    /* Ensure collapse icon is visible on mobile */
    .mqtt-card-header .collapse-icon {
        display: flex !important;
        flex-shrink: 0;
        width: 24px;
        height: 24px;
        margin-left: auto;
    }

    .search-input-sm {
        width: 60px;
        font-size: 0.75rem;
        padding: 0.25rem 0.4rem;
        flex-shrink: 1;
        min-width: 40px;
    }

    /* Hide header-stats on small screens to make room */
    .mqtt-card-header .header-stats {
        display: none;
    }

    .mqtt-card-header .header-spacer {
        flex: 1 1 auto;
        min-width: 4px;
    }

    .topic-tree-item {
        font-size: 0.8rem;
        padding: 0.3rem 0.4rem;
    }

    .topic-value {
        max-width: 80px;
        font-size: 0.7rem;
    }

    .topic-time {
        display: none;
    }

    /* Detail card responsive */
    .mqtt-detail-card {
        flex: none !important;
        min-height: 150px;
        max-height: none;
        width: 100%;
    }

    .mqtt-detail-card .detail-content {
        padding: 0.5rem;
        overflow-x: hidden;
    }

    .mqtt-detail-card .detail-info {
        width: 100%;
        overflow: hidden;
    }

    .mqtt-detail-card .detail-info-row {
        padding: 0.25rem 0;
        font-size: 0.8rem;
        flex-wrap: wrap;
    }

    .mqtt-detail-card .detail-info-label {
        min-width: 50px;
        font-size: 0.75rem;
    }

    .mqtt-detail-card .detail-info-value {
        word-break: break-all;
        font-size: 0.75rem;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .mqtt-detail-card .payload-two-column {
        max-width: 100%;
        overflow-x: auto;
        font-size: 0.75rem;
    }

    .mqtt-detail-card .payload-content {
        font-size: 10px;
        word-break: break-all;
        white-space: pre-wrap;
        overflow-x: hidden;
        max-width: 100%;
    }

    .mqtt-detail-card .payload-json {
        overflow-x: auto;
        max-width: 100%;
    }

    /* Publish card responsive */
    .mqtt-publish-card {
        flex: none !important;
        width: 100%;
    }

    .mqtt-publish-card .publish-form {
        padding: 0.5rem;
    }

    .mqtt-publish-card .publish-form .form-group {
        margin-bottom: 0.4rem;
    }

    .mqtt-publish-card .publish-form label {
        font-size: 0.7rem;
    }

    .mqtt-publish-card .publish-form input,
    .mqtt-publish-card .publish-form textarea,
    .mqtt-publish-card .publish-form select {
        font-size: 0.8rem;
        padding: 0.4rem;
    }

    .section-header {
        padding: 0.5rem 0.6rem;
    }

    .section-header h4 {
        font-size: 0.8rem;
    }

    /* Topbar responsive adjustments */
    .mqtt-explorer-page .topbar-actions {
        flex-wrap: nowrap;
        gap: 4px;
    }

    .mqtt-explorer-page .topbar-actions .btn-icon {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .mqtt-explorer-page .main-content {
        height: auto;
        min-height: 100vh;
        overflow-y: auto;
    }

    .mqtt-explorer-page .connection-badge {
        padding: 2px 6px;
        font-size: 9px;
    }

    .mqtt-explorer-page .connection-badge span {
        display: none;
    }

    /* Slide panel keeps larger fonts on mobile */
    .slide-panel .detail-info-row {
        padding: 10px 0;
        font-size: 15px;
    }

    .slide-panel .section-header-collapsible {
        font-size: 15px;
    }

    .slide-panel .alert-item {
        font-size: 14px;
    }

    .slide-panel .status-badge {
        font-size: 12px;
    }

    .payload-container {
        padding: 6px;
    }

    .history-content {
        padding: 6px;
        height: 60px;
    }

    .sparkline-container {
        height: 40px;
    }

    .detail-actions .btn-icon {
        width: 20px;
        height: 20px;
        font-size: 9px;
    }
}

@media (max-width: 480px) {
    .topic-panel {
        height: 120px;
    }

    .messages-panel {
        height: 200px;
    }

    .selected-topic {
        display: none;
    }

    .checkbox-inline span {
        display: none;
    }

    .mqtt-panel .empty-state {
        font-size: 10px;
    }

    .mqtt-panel .empty-state i {
        font-size: 18px;
    }
}

/* =============================================================================
   Terminal with File Browser
   ============================================================================= */

.terminal-with-files {
    display: flex;
    height: calc(100vh - 80px);
    background: #1e1e1e;
    border-radius: 8px;
    overflow: hidden;
}

/* File Browser Sidebar */
.file-browser {
    width: 280px;
    min-width: 150px;
    max-width: 500px;
    background: #252526;
    display: flex;
    flex-direction: column;
    border-right: 1px solid #3c3c3c;
}

.file-browser-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: #333333;
    border-bottom: 1px solid #3c3c3c;
}

.file-browser-header h4 {
    margin: 0;
    font-size: 13px;
    font-weight: 500;
    color: #cccccc;
}

.file-browser-header h4 i {
    margin-right: 8px;
    color: #569cd6;
}

.file-browser-actions {
    display: flex;
    gap: 4px;
}

.file-browser-actions .btn-icon {
    width: 26px;
    height: 26px;
    padding: 0;
    background: transparent;
    border: none;
    color: #999;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.file-browser-actions .btn-icon:hover {
    background: #444;
    color: #fff;
}

.file-browser-path {
    padding: 8px 12px;
    font-size: 11px;
    color: #888;
    background: #2d2d2d;
    border-bottom: 1px solid #3c3c3c;
    display: flex;
    align-items: center;
    gap: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-browser-path i {
    color: #dcb67a;
    flex-shrink: 0;
}

.file-browser-content {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
}

/* File Items */
.file-item {
    display: flex;
    align-items: center;
    padding: 3px 12px;
    cursor: pointer;
    color: #ccc;
    font-size: 13px;
    line-height: 1;
    gap: 6px;
}

.file-item:hover {
    background: #2a2d2e;
}

.file-item:active {
    background: #094771;
}

.file-icon {
    width: 16px;
    text-align: center;
    flex-shrink: 0;
    font-size: 14px;
}

.file-icon.folder {
    color: #dcb67a;
}

.file-icon.code {
    color: #6a9955;
}

.file-icon.text {
    color: #9cdcfe;
}

.file-icon.image {
    color: #ce9178;
}

.file-icon.archive {
    color: #d7ba7d;
}

.file-icon.pdf {
    color: #f14c4c;
}

.file-icon.file {
    color: #808080;
}

.file-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-size {
    font-size: 11px;
    color: #666;
    flex-shrink: 0;
}

/* Resize Handle */
.resize-handle {
    width: 4px;
    background: #3c3c3c;
    cursor: col-resize;
    flex-shrink: 0;
}

.resize-handle:hover {
    background: #569cd6;
}

/* Terminal Area */
.terminal-area {
    flex: 1;
    min-width: 0;
    background: #1e1e1e;
}

/* Context Menu */
.file-context-menu {
    position: fixed;
    background: #252526;
    border: 1px solid #3c3c3c;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    z-index: 10000;
    min-width: 150px;
    padding: 4px 0;
}

.context-menu-item {
    padding: 8px 16px;
    cursor: pointer;
    color: #ccc;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.context-menu-item:hover {
    background: #094771;
}

.context-menu-item.danger {
    color: #f48771;
}

.context-menu-item.danger:hover {
    background: #5a1d1d;
}

.context-menu-item i {
    width: 14px;
    text-align: center;
}

/* RPC Context Menu (light theme) */
.rpc-context-menu {
    position: fixed;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    min-width: 180px;
    padding: 4px 0;
}

.rpc-context-menu .context-menu-header {
    padding: 8px 12px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4px;
}

.rpc-context-menu .context-menu-item {
    padding: 8px 12px;
    cursor: pointer;
    color: var(--text-color);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.rpc-context-menu .context-menu-item:hover {
    background: var(--primary-pastel);
}

.rpc-context-menu .context-menu-item.danger {
    color: var(--danger-color);
}

.rpc-context-menu .context-menu-item.danger:hover {
    background: var(--danger-light);
}

.rpc-context-menu .context-menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* File browser loading/empty states */
.file-browser .loading-spinner,
.file-browser .empty-state,
.file-browser .error-state {
    color: #888;
    padding: 20px;
    text-align: center;
    font-size: 12px;
}

.file-browser .error-state {
    color: #f48771;
}

.file-browser .error-state i,
.file-browser .empty-state i {
    display: block;
    font-size: 24px;
    margin-bottom: 8px;
}

/* Mobile: Stack vertically */
@media (max-width: 768px) {
    .terminal-with-files {
        flex-direction: column;
    }

    .file-browser {
        width: 100% !important;
        max-width: none;
        height: 200px;
        min-height: 150px;
        border-right: none;
        border-bottom: 1px solid #3c3c3c;
    }

    .resize-handle {
        width: 100%;
        height: 4px;
        cursor: row-resize;
    }

    .terminal-area {
        flex: 1;
        min-height: 200px;
    }
}

/* =============================================================================
   VNC Styles
   ============================================================================= */

.btn-vnc {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: #8b5cf6;
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-vnc:hover {
    background: #7c3aed;
}

.btn-vnc i {
    font-size: 11px;
}

.vnc-container {
    width: 100%;
    height: calc(100vh - 70px);
    background: #1e1e1e;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    position: relative;
}

.vnc-container iframe {
    width: 100% !important;
    height: 100% !important;
    border: none;
    display: block;
}

.vnc-loading {
    text-align: center;
    color: #888;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.vnc-loading p {
    margin-top: 1rem;
}

/* Node-RED Container */
.nodered-container {
    width: 100%;
    height: calc(100vh - 70px);
    background: #f5f5f5;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    position: relative;
}

.nodered-container iframe {
    width: 100% !important;
    height: 100% !important;
    border: none;
    display: block;
}

.nodered-loading {
    text-align: center;
    color: #888;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.nodered-loading p {
    margin-top: 1rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}

.service-card {
    min-width: 0;
}

.service-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.service-icon i {
    font-size: 20px;
    color: var(--primary);
}

.btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 12px;
}

/* =============================================================================
   Devices Page - Card Grid Layout
   ============================================================================= */

/* =============================================================================
   Devices Page - Admin Device Chips
   ============================================================================= */

.devices-layout {
    padding: 0;
}

.devices-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem;
    align-content: flex-start;
    align-items: flex-start;
}

/* Device Chip - Multi-row card style */
.dev-chip {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
    cursor: pointer;
    transition: all 0.15s;
    box-shadow: var(--shadow);
    min-width: 120px;
    position: relative;
}

.dev-chip:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-1px);
}

.dev-chip.selected {
    box-shadow: 0 0 0 2px var(--primary-color);
}

.dev-chip.offline {
    opacity: 0.6;
}

.dev-chip-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: absolute;
    top: 8px;
    right: 8px;
}

.dev-chip-status.online {
    background: var(--success-color);
    box-shadow: 0 0 4px var(--success-color);
}

.dev-chip-status.offline {
    background: var(--text-muted);
}

.dev-chip-status.pending {
    background: var(--warning-color);
    box-shadow: 0 0 4px var(--warning-color);
}

.tag.pending {
    background: var(--warning-color);
    color: #000;
}

.dev-chip.pending {
    border-color: var(--warning-color);
}

.dev-chip-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    width: 100%;
}

.dev-chip-name {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-color);
    line-height: 1.2;
    word-break: break-all;
    padding-right: 14px;
}

.dev-chip-client {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.2;
}

.dev-chip-type {
    margin-top: 4px;
}

.dev-chip-type .tag {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* =============================================================================
   Device Panel Layout (Slider Content)
   ============================================================================= */

/* Remove padding from panel body when device panel is shown */
.panel-body:has(.device-panel-layout) {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.device-panel-layout {
    display: flex;
    height: 100%;
    width: 100%;
    min-height: 0;
    border-radius: 0 0 0 12px;
}

/* Vertical Tab Bar */
.device-tab-bar {
    display: flex;
    flex-direction: column;
    background: var(--bg-color);
    border-right: 1px solid var(--border-color);
    padding: 0.5rem;
    gap: 0.25rem;
    width: 52px;
    flex-shrink: 0;
    border-radius: 0 0 0 12px;
    overflow: hidden;
}

.device-tab {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
}

.device-tab:hover {
    background: var(--secondary-light);
    color: var(--text-color);
}

.device-tab.active {
    background: var(--primary-color);
    color: white;
}

.device-tab.danger {
    color: var(--danger-color);
}

.device-tab.danger:hover {
    background: var(--danger-light);
    color: var(--danger-color);
}

.tab-spacer {
    flex: 1;
}

/* Tab Content Area */
.device-tab-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1rem;
    min-width: 0;
    min-height: 0;
}

/* Tab Cards Grid */
.tab-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Info Cards */
.info-card {
    background: var(--bg-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.info-card.full-width {
    grid-column: 1 / -1;
}

.info-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--primary-pastel);
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.info-card-header:hover {
    background: var(--primary-light);
}

.info-card-header.danger {
    background: var(--danger-light);
    color: var(--danger-color);
}

.info-card-header.danger:hover {
    background: #ffdddd;
}

.info-card-header i:first-child {
    font-size: 0.9rem;
}

.info-card-header span {
    flex: 1;
}

.info-card-header .card-chevron {
    font-size: 0.75rem;
    transition: transform 0.2s;
    color: var(--text-secondary);
}

.info-card.collapsed .info-card-header .card-chevron {
    transform: rotate(-90deg);
}

.info-card-body {
    padding: 0.75rem 1rem;
    transition: max-height 0.3s ease-out, padding 0.2s ease-out, opacity 0.2s ease-out;
    max-height: 2000px;
    opacity: 1;
    overflow: visible;
}

.info-card.collapsed .info-card-body {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
}

.info-card-body p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.info-value {
    font-size: 0.85rem;
    color: var(--text-color);
    text-align: right;
}

.info-value.text-online {
    color: var(--success-color);
}

.info-value.text-offline {
    color: var(--text-muted);
}

/* Actions Grid */
.actions-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 1rem 1.25rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    min-width: 90px;
}

.action-btn:hover {
    background: var(--primary-pastel);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.action-btn i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.action-btn span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.action-btn.danger i {
    color: var(--danger-color);
}

.action-btn.primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    flex-direction: row;
    gap: 0.5rem;
}

.action-btn.primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.action-btn.primary i,
.action-btn.primary span {
    color: white;
    font-size: inherit;
}

.action-btn.danger:hover {
    background: var(--danger-light);
    border-color: var(--danger-color);
}

/* Tab States */
.tab-error,
.tab-success,
.tab-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
    gap: 1rem;
}

.tab-error i,
.tab-empty i {
    font-size: 3rem;
    color: var(--text-muted);
}

.tab-error i {
    color: var(--danger-color);
}

.tab-success i {
    font-size: 3rem;
    color: var(--success-color);
}

.tab-error p,
.tab-success p,
.tab-empty p {
    color: var(--text-secondary);
    margin: 0;
}

/* Logs Container */
.logs-container {
    background: #1e1e1e;
    border-radius: var(--radius);
    padding: 0.5rem;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

/* Terminal Container inside tab */
.terminal-container {
    height: calc(100vh - 150px);
    min-height: 400px;
}

.terminal-container .terminal-with-files {
    height: 100%;
}

/* =============================================================================
   Devices Page Responsive
   ============================================================================= */

@media (max-width: 768px) {
    /* Fix header overflow globally */
    .topbar-actions {
        flex-wrap: nowrap;
        gap: 0.4rem;
        overflow: hidden;
    }

    .topbar-actions .header-search {
        flex: 1;
        min-width: 80px;
        max-width: none;
        margin-right: 0;
        padding: 0.3rem 0.5rem;
    }

    .topbar-actions .header-search input {
        width: 100%;
        min-width: 50px;
        font-size: 0.8rem;
    }

    .topbar-actions .filter-select {
        min-width: 90px;
        max-width: 120px;
        font-size: 0.75rem;
        padding: 0.3rem 0.4rem;
    }

    .devices-grid {
        padding: 0.5rem;
        gap: 0.4rem;
    }

    /* Panel layout stacks on mobile */
    .device-panel-layout {
        flex-direction: column;
        min-height: calc(100vh - 56px);
        border-radius: 0;
    }

    .device-tab-bar {
        flex-direction: row;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        overflow-x: auto;
        padding: 0.375rem;
        gap: 0.375rem;
        flex-shrink: 0;
        border-radius: 0;
    }

    .device-tab {
        width: 38px;
        height: 38px;
        flex-shrink: 0;
    }

    .tab-spacer {
        flex: 1;
        min-width: 0;
    }

    .device-tab-content {
        padding: 0.75rem;
        flex: 1;
        overflow-y: auto;
    }

    .tab-cards {
        grid-template-columns: 1fr;
    }

    .info-card.full-width {
        grid-column: 1;
    }

    .actions-grid {
        justify-content: center;
    }

    .action-btn {
        min-width: 80px;
        padding: 0.75rem 1rem;
    }

    .terminal-container {
        height: calc(100vh - 180px);
    }

    .logs-container {
        max-height: calc(100vh - 250px);
    }
}

@media (max-width: 480px) {
    /* Even smaller header controls */
    .topbar-actions .header-search {
        min-width: 60px;
        padding: 0.25rem 0.4rem;
    }

    .topbar-actions .header-search input {
        font-size: 0.75rem;
    }

    .topbar-actions .filter-select {
        min-width: 70px;
        max-width: 100px;
        font-size: 0.7rem;
        padding: 0.25rem 0.3rem;
    }

    .devices-grid {
        padding: 0.4rem;
        gap: 0.3rem;
    }

    .device-tab-bar {
        padding: 0.25rem;
    }

    .device-tab {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

    .device-tab-content {
        padding: 0.5rem;
    }

    .tab-cards {
        gap: 0.75rem;
    }

    .info-card-header {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }

    .info-card-body {
        padding: 0.5rem 0.75rem;
    }

    .info-label,
    .info-value {
        font-size: 0.75rem;
    }

    .action-btn {
        min-width: 70px;
        padding: 0.6rem 0.75rem;
    }

    .action-btn i {
        font-size: 1rem;
    }

    .action-btn span {
        font-size: 0.7rem;
    }
}

/* =============================================================================
   Device Location Map
   ============================================================================= */

.map-section {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.map-section .section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--primary-pastel);
}

.map-section .section-header h2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin: 0;
}

.map-section .section-header h2 i {
    color: var(--primary-color);
}

.map-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.device-map {
    height: 350px;
    width: 100%;
    min-height: 300px;
    background: var(--secondary-light);
    position: relative;
    z-index: 1;
}

/* Ensure Leaflet container fills the map div */
.device-map .leaflet-container {
    height: 100%;
    width: 100%;
    z-index: 1;
}

/* Hide map section when no devices have location */
.map-section.no-devices {
    display: none;
}

/* Custom Leaflet marker styles */
.device-marker {
    background: transparent;
    border: none;
}

.marker-pin {
    width: 30px;
    height: 30px;
    border-radius: 50% 50% 50% 0;
    background: var(--success-color);
    position: absolute;
    transform: rotate(-45deg);
    left: 50%;
    top: 50%;
    margin: -20px 0 0 -15px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.marker-pin i {
    transform: rotate(45deg);
    color: white;
    font-size: 14px;
}

.marker-pulse {
    background: var(--success-color);
    border-radius: 50%;
    height: 14px;
    width: 14px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin: 8px 0 0 -7px;
    transform: rotateX(55deg);
    z-index: -2;
    opacity: 0.3;
}

/* Device popup styles */
.device-popup {
    min-width: 180px;
}

.device-popup .popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.device-popup .popup-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-color);
}

.device-popup .popup-status {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    text-transform: uppercase;
}

.device-popup .popup-status.online {
    background: var(--success-light);
    color: var(--success-color);
}

.device-popup .popup-status.offline {
    background: var(--danger-light);
    color: var(--danger-color);
}

.device-popup .popup-type {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.device-popup .popup-readings {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.device-popup .popup-reading {
    font-size: 0.8rem;
    color: var(--text-color);
}

.device-popup .popup-reading i {
    color: var(--primary-color);
    margin-right: 0.25rem;
}

.device-popup .popup-hostname {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: monospace;
}

/* Leaflet popup customization */
.leaflet-popup-content-wrapper {
    border-radius: var(--radius);
    box-shadow: var(--shadow-hover);
}

.leaflet-popup-content {
    margin: 0.75rem 1rem;
}

/* Responsive map */
@media (max-width: 768px) {
    .device-map {
        height: 280px;
    }

    .map-section .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.75rem 1rem;
    }
}

@media (max-width: 480px) {
    .device-map {
        height: 220px;
    }
}

/* Coordinates Modal */
.modal-lg {
    max-width: 700px;
    width: 95%;
}

.coords-form {
    margin-bottom: 1rem;
}

.coords-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.coords-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.coords-form .form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.coords-form .form-group input {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.9rem;
}

.coords-form .form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-pastel);
}

.coords-form .form-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.coords-form .form-hint i {
    color: var(--primary-color);
}

.coords-map {
    height: 350px;
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

@media (max-width: 480px) {
    .coords-form .form-row {
        grid-template-columns: 1fr;
    }

    .coords-map {
        height: 250px;
    }
}


/* =============================================================================
   Alerts Page Styles
   ============================================================================= */

.alerts-layout {
    padding: 1.5rem;
}

/* Tab Navigation */
.alert-tabs {
    display: flex;
    gap: 0.5rem;
    margin-right: 1rem;
}

.tab-btn {
    padding: 0.4rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    background: var(--secondary-light);
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Alert Stats */
.alert-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--border-color);
}

.stat-card.critical {
    border-left-color: var(--danger-color);
}

.stat-card.critical i {
    color: var(--danger-color);
}

.stat-card.warning {
    border-left-color: var(--warning-color);
}

.stat-card.warning i {
    color: var(--warning-color);
}

.stat-card.info {
    border-left-color: var(--primary-color);
}

.stat-card.info i {
    color: var(--primary-color);
}

.stat-card i {
    font-size: 1.5rem;
}

.stat-count {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-color);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Alert List */
.alerts-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.alert-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--border-color);
    transition: all 0.2s ease;
}

.alert-item:hover {
    box-shadow: var(--shadow-hover);
}

.alert-item.critical {
    border-left-color: var(--danger-color);
    background: var(--danger-light);
}

.alert-item.warning {
    border-left-color: var(--warning-color);
    background: var(--warning-light);
}

.alert-item.info {
    border-left-color: var(--primary-color);
    background: var(--primary-pastel);
}

.alert-item.acknowledged {
    opacity: 0.6;
}

.alert-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.alert-item.critical .alert-icon {
    background: var(--danger-color);
    color: white;
}

.alert-item.warning .alert-icon {
    background: var(--warning-color);
    color: white;
}

.alert-item.info .alert-icon {
    background: var(--primary-color);
    color: white;
}

.alert-content {
    flex: 1;
    min-width: 0;
}

.alert-message {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.alert-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.alert-meta i {
    margin-right: 0.25rem;
}

.alert-actions {
    display: flex;
    gap: 0.5rem;
}

.ack-badge {
    color: var(--success-color);
    font-size: 1.1rem;
}

/* Rules Grid / Channels Grid */
.rules-grid,
.channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}

.rule-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--border-color);
    transition: all 0.2s ease;
}

.rule-card:hover {
    box-shadow: var(--shadow-hover);
}

.rule-card.critical {
    border-left-color: var(--danger-color);
}

.rule-card.warning {
    border-left-color: var(--warning-color);
}

.rule-card.info {
    border-left-color: var(--primary-color);
}

.rule-card.disabled {
    opacity: 0.5;
}

.rule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.rule-name {
    font-weight: 600;
    color: var(--text-color);
}

.rule-severity.badge {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
}

.badge.critical {
    background: var(--danger-light);
    color: var(--danger-color);
}

.badge.warning {
    background: var(--warning-light);
    color: #B8860B;
}

.badge.info {
    background: var(--primary-pastel);
    color: var(--primary-dark);
}

.rule-condition {
    margin-bottom: 0.75rem;
}

.rule-condition code {
    background: var(--secondary-light);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--text-color);
}

.rule-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.rule-meta i {
    margin-right: 0.25rem;
}

.rule-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 0.5rem;
}

/* Channel type tags */
.tag.email {
    background: #e3f2fd;
    color: #1565c0;
}

.tag.webhook {
    background: #f3e5f5;
    color: #7b1fa2;
}

.tag.sms {
    background: #e8f5e9;
    color: #2e7d32;
}

.rule-config {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rule-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.rule-status {
    font-size: 0.8rem;
}

.rule-status.enabled {
    color: var(--success-color);
}

.rule-status.disabled {
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .alert-stats {
        grid-template-columns: 1fr;
    }

    .alert-meta {
        flex-wrap: wrap;
    }

    .rules-grid,
    .channels-grid {
        grid-template-columns: 1fr;
    }
}