:root {
    --status-up: #10b981;
    --status-warning: #f59e0b;
    --status-down: #ef4444;
    --status-unknown: #6b7280;
    --bg-primary: #1f2937;
    --bg-secondary: #111827;
    --bg-panel: #374151;
    --bg-card: #1e293b;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --border-color: #4b5563;
    --accent: #3b82f6;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0;
}

/* Header */
header {
    background: var(--bg-secondary);
    padding: 1rem 2rem;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.stat-badge {
    background: var(--bg-panel);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

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

.status-dot.online {
    background: var(--status-up);
    box-shadow: 0 0 8px var(--status-up);
}

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

/* Tabs */
.tabs-container {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
}

.tab-headers {
    display: flex;
    gap: 0;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
}

/* Tab content */
.tab-content-wrapper {
    padding: 1.5rem 2rem;
}

.tab-pane {
    display: none;
}

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

/* Camera grid */
.camera-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
    gap: 1.5rem;
}

.camera-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.camera-card:hover {
    border-color: var(--accent);
}

.camera-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
}

.camera-name {
    font-weight: 600;
    font-size: 0.95rem;
}

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

.camera-status-badge {
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-weight: 500;
    text-transform: uppercase;
}

.camera-status-badge.streaming {
    background: rgba(16, 185, 129, 0.2);
    color: var(--status-up);
}

.camera-status-badge.offline {
    background: rgba(239, 68, 68, 0.2);
    color: var(--status-down);
}

.camera-status-badge.error {
    background: rgba(245, 158, 11, 0.2);
    color: var(--status-warning);
}

.camera-status-badge.disabled {
    background: rgba(107, 114, 128, 0.2);
    color: var(--status-unknown);
}

.camera-stream {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.camera-stream img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.camera-stream .no-stream {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.camera-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.camera-actions {
    display: flex;
    gap: 0.5rem;
}

.camera-actions button {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s;
}

.camera-actions button:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Settings */
.settings-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.settings-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-panel);
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}

.settings-card-header:hover {
    background: rgba(255,255,255,0.05);
}

.settings-card-body {
    display: none;
    padding: 1rem;
}

.settings-card.active .settings-card-body {
    display: block;
}

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

.settings-group h4 {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.settings-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0;
}

.settings-row label {
    min-width: 160px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.settings-row input,
.settings-row select {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

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

/* Placeholder */
.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 1rem 2rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

/* PTZ Controls */
.ptz-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-panel);
    border-top: 1px solid var(--border-color);
}

.ptz-dpad {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.ptz-dpad-row {
    display: flex;
    align-items: center;
    gap: 2px;
}

.ptz-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all 0.1s;
    user-select: none;
    -webkit-user-select: none;
}

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

.ptz-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(0.95);
}

.ptz-stop {
    font-size: 0.7rem;
    color: var(--status-down);
}

.ptz-zoom {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ptz-zoom-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ptz-zin, .ptz-zout {
    width: 40px;
    font-size: 1.2rem;
    font-weight: 700;
}

/* Events */
.events-header {
    margin-bottom: 1rem;
}

.events-filters {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.events-filters select {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.events-count {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-left: auto;
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.events-empty {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.event-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--status-warning);
    border-radius: 4px;
    padding: 0.75rem 1rem;
}

.event-item.alert {
    border-left-color: var(--status-down);
}

.event-item.motion {
    border-left-color: var(--status-warning);
}

.event-info {
    flex: 1;
}

.event-top {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.event-type-badge {
    font-size: 0.7rem;
    padding: 0.1rem 0.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
}

.event-type-badge.motion {
    background: rgba(245, 158, 11, 0.2);
    color: var(--status-warning);
}

.event-type-badge.person {
    background: rgba(239, 68, 68, 0.2);
    color: var(--status-down);
}

.event-type-badge.trespass {
    background: rgba(239, 68, 68, 0.3);
    color: #ff6b6b;
}

.event-camera {
    font-weight: 600;
    font-size: 0.9rem;
}

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

.event-zone, .event-details {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.event-snapshot {
    flex-shrink: 0;
}

.event-snapshot img {
    width: 120px;
    height: 68px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.event-snapshot img:hover {
    opacity: 0.8;
}

.event-snapshot img.expanded {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    height: auto;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 1000;
    border-radius: 8px;
    box-shadow: 0 0 0 9999px rgba(0,0,0,0.8);
}

/* Timelapse */
.timelapse-header {
    margin-bottom: 1rem;
}

.timelapse-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.timelapse-controls select,
.timelapse-controls input[type="date"] {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.timelapse-generate {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.timelapse-generate button {
    background: var(--accent);
    border: none;
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.timelapse-generate button:hover {
    opacity: 0.9;
}

.timelapse-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.timelapse-empty {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.timelapse-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    padding: 0.75rem 1rem;
}

.timelapse-item.error {
    border-left-color: var(--status-down);
}

.timelapse-item.pending {
    border-left-color: var(--status-warning);
}

.timelapse-top {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.timelapse-date {
    font-weight: 600;
    font-size: 0.95rem;
}

.timelapse-camera {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.timelapse-status-badge {
    font-size: 0.7rem;
    padding: 0.1rem 0.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
}

.timelapse-status-badge.done {
    background: rgba(16, 185, 129, 0.2);
    color: var(--status-up);
}

.timelapse-status-badge.pending,
.timelapse-status-badge.running {
    background: rgba(245, 158, 11, 0.2);
    color: var(--status-warning);
}

.timelapse-status-badge.error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--status-down);
}

.timelapse-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.timelapse-error {
    font-size: 0.8rem;
    color: var(--status-down);
    margin-top: 0.25rem;
}

.timelapse-actions {
    display: flex;
    gap: 0.5rem;
}

.timelapse-actions button,
.timelapse-actions a {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    text-decoration: none;
    transition: all 0.2s;
}

.timelapse-actions button:hover,
.timelapse-actions a:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.timelapse-player {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.timelapse-player video {
    max-width: 90%;
    max-height: 80vh;
    border-radius: 8px;
}

.timelapse-close {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

/* Tab alert indicator */
.tab-btn.has-alert {
    color: var(--status-warning);
    animation: tab-pulse 0.5s ease-in-out 3;
}

@keyframes tab-pulse {
    50% { background: rgba(245, 158, 11, 0.15); }
}

/* Fullscreen camera modal */
.camera-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.camera-modal img {
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
}