/* === CSS Variables (Theme) === */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-hover: #1f2d4f;
    --bg-video: #000;
    --bg-quad-cell: #111;
    --bg-input-alt: #0d1526;
    --text-primary: #fff;
    --text-secondary: #aaa;
    --text-muted: #888;
    --text-dim: #555;
    --border-primary: #333;
    --border-secondary: #222;
    --border-input: #2a3a5c;
    --accent: #e94560;
    --accent-dark: #d63653;
    --shadow-accent: rgba(233, 69, 96, 0.3);
    --overlay-bg: rgba(0, 0, 0, 0.8);
    --info-bg: rgba(0, 0, 0, 0.7);
    --motion-highlight: #2a1f00;
}

html.light-theme {
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8ecf1;
    --bg-hover: #dde3eb;
    --bg-video: #1a1a2e;
    --bg-quad-cell: #dce0e6;
    --bg-input-alt: #f5f7fa;
    --text-primary: #1a1a2e;
    --text-secondary: #555;
    --text-muted: #777;
    --text-dim: #999;
    --border-primary: #d0d5dd;
    --border-secondary: #e0e4ea;
    --border-input: #c0c8d4;
    --accent: #e94560;
    --accent-dark: #d63653;
    --shadow-accent: rgba(233, 69, 96, 0.2);
    --overlay-bg: rgba(0, 0, 0, 0.7);
    --info-bg: rgba(0, 0, 0, 0.6);
    --motion-highlight: #fff3e0;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    padding: 8px 20px;
    border-bottom: 2px solid var(--accent);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 56px;
}

.header h1 {
    font-size: 24px;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-logo {
    height: 100px;
    width: auto;
    object-fit: contain;
    margin: -28px 0;
}

.login-logo {
    display: block;
    margin: -10px auto 10px;
    max-width: 280px;
    width: 100%;
    height: auto;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #4caf50;
    box-shadow: 0 0 10px #4caf50;
    animation: pulse 2s infinite;
}

.status-indicator.disconnected {
    background: #f44336;
    box-shadow: 0 0 10px #f44336;
}

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

.mqtt-status {
    font-size: 12px;
    color: var(--text-secondary);
}

.header-user-info {
    font-size: 12px;
    color: var(--text-muted);
}

.shift-label {
    font-size: 11px;
    color: var(--text-muted);
}

.shift-timer {
    font-size: 13px;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* Broadcast Button */
.broadcast-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 5px;
    padding: 5px 10px;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.broadcast-btn:hover {
    border-color: #e94560;
    color: #e94560;
}

.broadcast-btn.active {
    background: #e94560;
    border-color: #e94560;
    color: #fff;
    animation: broadcast-pulse 2s infinite;
}

@keyframes broadcast-pulse {
    0%, 100% { box-shadow: 0 0 5px rgba(233, 69, 96, 0.5); }
    50% { box-shadow: 0 0 15px rgba(233, 69, 96, 0.8); }
}

.live-pin {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    font-weight: bold;
    color: #e94560;
    background: var(--bg-tertiary);
    border: 1px solid #e94560;
    border-radius: 5px;
    padding: 4px 10px;
    letter-spacing: 3px;
    user-select: all;
}

/* Shortcuts Button & Popup */
.shortcuts-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 5px;
    padding: 5px 10px;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.shortcuts-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.shortcuts-popup {
    display: none;
    position: fixed;
    top: 60px;
    right: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 16px 20px;
    z-index: 1000;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    min-width: 220px;
}

.shortcuts-popup.visible {
    display: block;
}

.shortcuts-popup-title {
    font-size: 14px;
    font-weight: bold;
    color: var(--accent);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.shortcut-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

.shortcut-row kbd {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    padding: 2px 7px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 12px;
    color: var(--text-primary);
    min-width: 24px;
    text-align: center;
}

/* Sound Toggle */
.sound-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--text-dim);
    border-radius: 5px;
    padding: 5px 12px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sound-toggle.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 0 10px var(--shadow-accent);
}

/* Theme Toggle */
.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 5px;
    padding: 5px 10px;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Language Toggle */
.lang-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--accent);
    border-radius: 5px;
    padding: 5px 10px;
    color: var(--accent);
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.lang-toggle:hover {
    background: var(--accent);
    color: #fff;
}

/* View Toggle Button */
.view-toggle-btn {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--accent);
    border-radius: 5px;
    padding: 6px 14px;
    color: var(--accent);
    font-size: 13px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-toggle-btn:hover {
    background: var(--accent);
    color: #fff;
}

/* Main Container */
.container {
    display: flex;
    height: calc(100vh - 61px);
}

/* Left Sidebar - Camera List */
.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    overflow-y: auto;
    padding: 10px;
}

.camera-list-title {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    grid-column: 1 / -1;
}

#cameraList {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.camera-item {
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: 6px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.camera-item:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    transform: translateX(5px);
}

.camera-item.active {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--shadow-accent);
}

.camera-item.detection {
    animation: blink 1s infinite;
    border-color: #ffd700;
}

@keyframes blink {
    0%, 100% { background: var(--accent); }
    50% { background: #ffd700; }
}

.camera-number {
    font-size: 16px;
    font-weight: bold;
    color: var(--accent);
    min-width: 24px;
    text-align: center;
}

.camera-item.active .camera-number {
    color: #fff;
}

.camera-name {
    font-size: 12px;
    white-space: normal;
    
    
    flex: 1;
display: -webkit-box;    -webkit-line-clamp: 2;    -webkit-box-orient: vertical;    overflow: hidden;    line-height: 1.3;
}

/* Camera Latency Indicator */
.camera-latency {
    font-size: 10px;
    font-family: 'Consolas', 'Monaco', monospace;
    margin-left: auto;
    flex-shrink: 0;
    min-width: 32px;
    text-align: right;
}

.camera-latency:empty {
    display: none;
}

.camera-latency[data-quality="good"] {
    color: #4caf50;
}

.camera-latency[data-quality="fair"] {
    color: #ff9800;
}

.camera-latency[data-quality="poor"] {
    color: #f44336;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

/* Video Container */
.video-container {
    flex: 1;
    background: var(--bg-video);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    margin-bottom: 20px;
    border: 2px solid var(--border-primary);
}

#mainVideo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--overlay-bg);
    color: var(--text-muted);
    font-size: 18px;
}

.video-info {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--info-bg);
    padding: 8px 12px;
    border-radius: 5px;
    font-size: 14px;
}

/* Detection Box */
.detection-box {
    position: absolute;
    border: 3px solid #ffd700;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.8);
    pointer-events: none;
    display: none;
}

/* Control Panel */
.control-panel {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-primary);
}

.control-title {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.relay-button {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    border: none;
    border-radius: 8px;
    padding: 15px 20px;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-accent);
}

.relay-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(233, 69, 96, 0.5);
}

.relay-button:active {
    transform: scale(0.95);
    background: linear-gradient(135deg, #ffd700 0%, #ffb700 100%);
}

.relay-button.triggered {
    background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
    animation: buttonFlash 0.5s;
}

@keyframes buttonFlash {
    0%, 100% { background: linear-gradient(135deg, #4caf50 0%, #45a049 100%); }
    50% { background: linear-gradient(135deg, #ffd700 0%, #ffb700 100%); }
}

/* Scrollbar */
.sidebar::-webkit-scrollbar {
    width: 8px;
}

.sidebar::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--accent-dark);
}

/* Camera Monitor Status Indicators */
.camera-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: transparent;
    transition: all 0.3s ease;
}

.camera-status-dot[data-status="offline"],
.camera-status-dot[data-status="error"] {
    background: #666;
    box-shadow: none;
}

.camera-status-dot[data-status="no_signal"] {
    background: #2196f3;
    box-shadow: 0 0 6px rgba(33, 150, 243, 0.5);
}

.camera-status-dot[data-status="live"] {
    background: #4caf50;
    box-shadow: 0 0 6px rgba(76, 175, 80, 0.6);
}

.camera-status-dot[data-status="motion"] {
    background: #ff9800;
    box-shadow: 0 0 8px rgba(255, 152, 0, 0.8);
    animation: motionPulse 1s infinite;
}

@keyframes motionPulse {
    0%, 100% {
        box-shadow: 0 0 8px rgba(255, 152, 0, 0.8);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 14px rgba(255, 152, 0, 1);
        transform: scale(1.3);
    }
}

/* Monitor status on camera items */
.camera-item.monitor-nosignal {
    border-left: 3px solid #2196f3;
}

.camera-item.monitor-error {
    border-left: 3px solid #666;
}

.camera-item.monitor-live {
    border-left: 3px solid #4caf50;
}

.camera-item.monitor-motion {
    border-left: 3px solid #ff9800;
    animation: motionHighlight 1.5s infinite;
}

@keyframes motionHighlight {
    0%, 100% { background: var(--bg-tertiary); }
    50% { background: var(--motion-highlight); }
}

.camera-item.active.monitor-motion {
    animation: none;
    border-left-color: #ff9800;
}

/* ============================================ */
/* LOGIN PAGE                                   */
/* ============================================ */

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: calc(100vh - 61px);
    background: var(--bg-primary);
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 25px 30px;
    width: 380px;
    max-width: 90vw;
}

.login-card h2 {
    color: var(--accent);
    margin-bottom: 15px;
    text-align: center;
    font-size: 20px;
}

.login-card .form-group {
    margin-bottom: 12px;
}

.login-card .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.login-card .form-group input {
    width: 100%;
    padding: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 14px;
}

.login-card .form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.login-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    border: none;
    border-radius: 8px;
    padding: 14px;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-btn:hover {
    box-shadow: 0 6px 20px rgba(233, 69, 96, 0.5);
}

.login-error {
    background: rgba(244, 67, 54, 0.2);
    border: 1px solid #f44336;
    color: #f44336;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 14px;
}

/* ============================================ */
/* USER MANAGEMENT TABLE                        */
/* ============================================ */

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

.user-table th,
.user-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
}

.user-table th {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
}

.user-table td {
    color: var(--text-primary);
}

.user-table select {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 13px;
}

.user-table select:focus {
    outline: none;
    border-color: var(--accent);
}

/* ============================================ */
/* SETTINGS / USERS PAGES (shared)              */
/* ============================================ */

.settings-container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    padding-bottom: 50px;
}

.settings-section {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border-primary);
}

.settings-section h2 {
    color: var(--accent);
    margin-bottom: 20px;
    font-size: 20px;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 10px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 14px;
}

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

.camera-item-settings {
    background: var(--bg-tertiary);
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 10px;
    border: 1px solid var(--border-primary);
}

.camera-item-settings h3 {
    color: var(--accent);
    margin-bottom: 10px;
    font-size: 16px;
}

.btn {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 10px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(233, 69, 96, 0.5);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-secondary {
    background: linear-gradient(135deg, #555 0%, #333 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
}

.btn-success {
    background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
}

.btn-group {
    margin-top: 20px;
}

.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: none;
}

.alert-success {
    background: rgba(76, 175, 80, 0.2);
    border: 1px solid #4caf50;
    color: #4caf50;
}

.alert-error {
    background: rgba(244, 67, 54, 0.2);
    border: 1px solid #f44336;
    color: #f44336;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
}

.relay-settings {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-primary);
}

.relay-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto 60px 60px;
    gap: 8px;
    margin-bottom: 8px;
    align-items: center;
}

.relay-auto-label {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.relay-auto-label input {
    width: auto !important;
    margin: 0;
}

.relay-num-input {
    width: 60px !important;
    padding: 6px 4px !important;
    text-align: center;
    font-size: 12px !important;
}

.relay-row-label-right {
    float: right;
    font-size: 10px;
    color: var(--text-dim);
}

.relay-row input {
    padding: 8px;
    background: var(--bg-input-alt);
    border: 1px solid var(--border-input);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
}

.relay-row input:focus {
    border-color: var(--accent);
    outline: none;
}

.relay-row-label {
    color: var(--text-dim);
    font-size: 12px;
    margin-bottom: 4px;
}

/* ============================================ */
/* CINEMA MODE (fullscreen-like from map)       */
/* ============================================ */

body.cinema-mode .header { display: none; }
body.cinema-mode .sidebar { display: none; }
body.cinema-mode .control-panel { display: none; }
body.cinema-mode .container { height: 100vh; }
body.cinema-mode .main-content { padding: 0; }
body.cinema-mode .video-container { border-radius: 0; border: none; margin: 0; height: 100vh; }
.cinema-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 10; cursor: pointer; }

/* ============================================ */
/* ANTENNA SETTINGS                             */
/* ============================================ */

.antenna-settings {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-primary);
}

.antenna-row {
    display: grid;
    grid-template-columns: 140px 110px 60px 60px 60px 60px 36px;
    gap: 6px;
    margin-bottom: 6px;
    align-items: center;
}

.antenna-row select {
    padding: 6px 4px;
    background: var(--bg-input-alt);
    border: 1px solid var(--border-input);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
}

.antenna-row select:focus {
    border-color: var(--accent);
    outline: none;
}

.antenna-row input[type="number"] {
    padding: 6px 4px;
    background: var(--bg-input-alt);
    border: 1px solid var(--border-input);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    text-align: center;
}

.antenna-row input[type="number"]:disabled {
    opacity: 0.3;
}

.antenna-row input[type="number"]:focus {
    border-color: var(--accent);
    outline: none;
}

.antenna-enable {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    white-space: nowrap;
}

.antenna-enable input {
    width: auto !important;
    margin: 0;
}

.antenna-band-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.antenna-color-input {
    width: 32px !important;
    height: 28px;
    padding: 1px !important;
    border: 1px solid var(--border-input);
    border-radius: 4px;
    background: var(--bg-input-alt);
    cursor: pointer;
}

.antenna-row-labels {
    display: grid;
    grid-template-columns: 140px 110px 60px 60px 60px 60px 36px;
    gap: 6px;
    font-size: 10px;
    color: var(--text-dim);
    margin-top: -2px;
}

/* ============================================ */
/* QUAD VIEW                                    */
/* ============================================ */

.quad-view {
    display: grid;
    gap: 2px;
    height: calc(100vh - 61px);
    background: var(--bg-video);
}

.quad-cell {
    position: relative;
    background: var(--bg-quad-cell);
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--border-secondary);
    transition: border-color 0.3s ease;
}

.quad-cell:hover {
    border-color: var(--accent);
}

.quad-zoomed .quad-cell:not(.quad-cell-zoomed) {
    display: none;
}

.quad-zoomed {
    grid-template-columns: 1fr !important;
    grid-template-rows: 1fr !important;
}

.quad-cell-zoomed {
    border-color: var(--accent) !important;
}

.quad-cell-zoomed .quad-iframe {
    width: 100%;
    height: 100%;
}

.quad-cell.has-detection {
    border: 2px solid #ffd700;
    box-shadow: inset 0 0 10px rgba(255, 215, 0, 0.3);
}

.quad-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    pointer-events: none;
}

.quad-cell-label {
    position: absolute;
    top: 4px;
    left: 4px;
    background: var(--info-bg);
    color: #fff;
    padding: 2px 8px;
    font-size: 11px;
    border-radius: 3px;
    z-index: 1;
}

.quad-status-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    z-index: 2;
    background: transparent;
    transition: all 0.3s ease;
}

.quad-status-dot[data-status="offline"],
.quad-status-dot[data-status="no_signal"],
.quad-status-dot[data-status="unknown"],
.quad-status-dot[data-status="error"] {
    background: #666;
    box-shadow: none;
}

.quad-status-dot[data-status="live"] {
    background: #4caf50;
    box-shadow: 0 0 10px rgba(76, 175, 80, 1);
}

.quad-status-dot[data-status="motion"] {
    background: #ff9800;
    box-shadow: 0 0 10px rgba(255, 152, 0, 1);
    animation: quadMotionPulse 1s infinite;
}

@keyframes quadMotionPulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(255, 152, 0, 0.8);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 16px rgba(255, 152, 0, 1);
        transform: scale(1.3);
    }
}

/* Quad Cell Latency */
.quad-latency {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: var(--info-bg);
    padding: 1px 6px;
    font-size: 10px;
    font-family: 'Consolas', 'Monaco', monospace;
    border-radius: 3px;
    z-index: 1;
}

.quad-latency:empty {
    display: none;
}

.quad-latency[data-quality="good"] {
    color: #4caf50;
}

.quad-latency[data-quality="fair"] {
    color: #ff9800;
}

.quad-latency[data-quality="poor"] {
    color: #f44336;
}

.quad-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 12px;
}

/* ============================================ */
/* RESPONSIVE                                   */
/* ============================================ */

@media (max-width: 1024px) {
    .button-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        overflow-y: auto;
    }

    .header {
        padding: 10px 15px;
    }

    .header h1 {
        font-size: 18px;
    }

    .container {
        flex-direction: column;
        height: auto;
        min-height: calc(100vh - 50px);
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-primary);
        padding: 8px;
        overflow-x: auto;
        overflow-y: hidden;
        display: flex;
        gap: 8px;
        flex-shrink: 0;
    }

    .camera-list-title {
        display: none;
    }

    .camera-item {
        flex-shrink: 0;
        padding: 8px 12px;
        margin-bottom: 0;
        min-width: auto;
        border-radius: 20px;
    }

    .camera-item:hover {
        transform: none;
    }

    .camera-number {
        font-size: 14px;
        min-width: auto;
    }

    .camera-name {
        font-size: 12px;
        white-space: nowrap;
    }

    .camera-status-dot {
        width: 8px;
        height: 8px;
    }

    .main-content {
        padding: 10px;
        flex: 1;
    }

    .video-container {
        margin-bottom: 10px;
        min-height: 220px;
    }

    .control-panel {
        padding: 10px;
    }

    .control-title {
        font-size: 14px;
        margin-bottom: 10px;
    }

    .button-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .relay-button {
        padding: 12px 10px;
        font-size: 14px;
    }

    .quad-view {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(8, 1fr);
    }

    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
}