/* ── Reset & Base ─────────────────────────────────────── */
*,*::before,*::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: #1a1f35;
    --bg-card-hover: #222845;
    --bg-glass: rgba(26, 31, 53, 0.75);
    --border: #2a3050;
    --border-light: #3a4070;
    --text-primary: #e8ecf4;
    --text-secondary: #8b95b0;
    --text-muted: #5a647a;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.25);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.2);
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.2);
    --error: #ef4444;
    --error-glow: rgba(239, 68, 68, 0.2);
    --cyan: #06b6d4;
    --cyan-glow: rgba(6, 182, 212, 0.2);
    --orange: #f97316;
    --orange-glow: rgba(249, 115, 22, 0.2);
    --purple: #a855f7;
    --purple-glow: rgba(168, 85, 247, 0.2);
    --radius: 10px;
    --radius-lg: 14px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition: 200ms ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Header ───────────────────────────────────────────── */
.header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 28px;
    background: var(--bg-glass); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}
.header-left { display: flex; align-items: center; gap: 14px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--accent-hover); }
.logo svg { color: var(--accent); }
.badge { background: var(--accent); color: white; font-size: 0.7rem; font-weight: 600; padding: 3px 10px; border-radius: 20px; letter-spacing: 0.5px; text-transform: uppercase; }
.header-right { display: flex; align-items: center; gap: 16px; }
.connection-status { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-secondary); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; transition: var(--transition); }
.status-dot.offline { background: var(--error); box-shadow: 0 0 8px var(--error-glow); animation: pulse-dot 2s infinite; }
.status-dot.online { background: var(--success); box-shadow: 0 0 8px var(--success-glow); animation: pulse-dot 2s infinite; }
.status-dot.checking { background: var(--warning); animation: pulse-dot 0.6s infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1} 50%{opacity:0.4} }

/* ── Tab Navigation ───────────────────────────────────── */
.tab-nav {
    display: flex; gap: 0; padding: 0 28px; align-items: center;
    background: var(--bg-secondary); border-bottom: 1px solid var(--border);
    position: sticky; top: 56px; z-index: 90;
    overflow-x: auto;
}
.tab-nav::-webkit-scrollbar { height: 0; }
.tab-nav-divider {
    width: 1px; height: 24px; background: var(--border-light); margin: 0 4px; flex-shrink: 0;
}
.tab-btn {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 18px; border: none; background: transparent;
    color: var(--text-muted); font-family: inherit; font-size: 0.82rem;
    font-weight: 500; cursor: pointer; transition: all var(--transition);
    border-bottom: 2px solid transparent; position: relative;
    white-space: nowrap; flex-shrink: 0;
}
.tab-btn:hover { color: var(--text-secondary); background: rgba(255,255,255,0.03); }
.tab-btn.active { color: var(--accent-hover); border-bottom-color: var(--accent); }
.tab-btn.active svg { color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: flex; flex-direction: column; gap: 20px; animation: fadeSlideIn 0.3s ease; }

.event-count-dot {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 20px; height: 20px; padding: 0 5px;
    background: var(--error); color: white; border-radius: 10px;
    font-size: 0.65rem; font-weight: 700;
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 18px; border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg-card); color: var(--text-primary);
    font-family: inherit; font-size: 0.85rem; font-weight: 500;
    cursor: pointer; transition: all var(--transition); white-space: nowrap;
}
.btn:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-lg { padding: 12px 28px; font-size: 0.95rem; font-weight: 600; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 4px 20px var(--accent-glow); }
.btn-accent { background: var(--cyan); border-color: var(--cyan); color: white; }
.btn-accent:hover { background: #22d3ee; box-shadow: 0 4px 20px var(--cyan-glow); }
.btn-success { background: var(--success); border-color: var(--success); color: white; }
.btn-success:hover { background: #34d399; box-shadow: 0 4px 20px var(--success-glow); }
.btn-danger { background: var(--error); border-color: var(--error); color: white; }
.btn-danger:hover { background: #f87171; box-shadow: 0 4px 20px var(--error-glow); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-card); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }
.btn-icon { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 1.1rem; padding: 4px; border-radius: 6px; transition: var(--transition); }
.btn-icon:hover { color: var(--text-primary); background: var(--bg-card-hover); }

/* ── Main ─────────────────────────────────────────────── */
.main { padding: 24px 28px; max-width: 1440px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }

/* ── Panel ────────────────────────────────────────────── */
.panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; animation: fadeSlideIn 0.4s ease; }
.panel-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.panel-header h3 { display: flex; align-items: center; gap: 10px; font-size: 0.95rem; font-weight: 600; }
.panel-header h3 svg { color: var(--accent); }
@keyframes fadeSlideIn { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }

/* ── Device Info ──────────────────────────────────────── */
.device-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; padding: 16px 20px; }
.device-item { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 16px; }
.device-item .label { font-size: 0.72rem; font-weight: 500; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 4px; }
.device-item .value { font-size: 0.9rem; font-weight: 500; word-break: break-all; }

/* ── Controls Bar ─────────────────────────────────────── */
.controls-bar {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 14px 20px; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); flex-wrap: wrap;
}
.control-group { display: flex; align-items: center; gap: 10px; }
.control-group label { font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }
.control-group select {
    padding: 8px 14px; border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg-secondary); color: var(--text-primary); font-family: inherit; font-size: 0.85rem; cursor: pointer;
}
.control-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.control-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ── Face Detection Indicators ────────────────────────── */
.face-detect-indicator { display: flex; align-items: center; gap: 10px; }
.fd-dot { width: 10px; height: 10px; border-radius: 50%; }
.fd-dot.unknown { background: var(--text-muted); }
.fd-dot.checking { background: var(--warning); animation: pulse-dot 0.6s infinite; }
.fd-dot.enabled { background: var(--success); box-shadow: 0 0 10px var(--success-glow); animation: pulse-dot 2s infinite; }
.fd-dot.disabled { background: var(--error); }
.fd-dot.unsupported { background: var(--text-muted); opacity: 0.5; }
.fd-label { font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); }
.fd-status { font-size: 0.8rem; font-weight: 600; color: var(--text-primary); }

/* Alert indicator */
.alert-indicator { display: flex; align-items: center; gap: 10px; }
.alert-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--text-muted); }
.alert-dot.running { background: var(--success); box-shadow: 0 0 10px var(--success-glow); animation: pulse-dot 1.5s infinite; }
.alert-dot.stopped { background: var(--text-muted); }
.alert-status { font-size: 0.8rem; font-weight: 600; color: var(--text-primary); }
.event-counter {
    font-size: 0.78rem; color: var(--cyan); font-weight: 500;
    background: var(--cyan-glow); padding: 4px 12px; border-radius: 20px;
}

/* ── Live Tag ─────────────────────────────────────────── */
.live-tag {
    display: inline-flex; align-items: center; gap: 5px;
    background: rgba(239, 68, 68, 0.15); color: var(--error);
    padding: 2px 10px; border-radius: 4px;
    font-size: 0.7rem; font-weight: 700; letter-spacing: 1px;
}
.live-dot {
    width: 6px; height: 6px; background: currentColor;
    border-radius: 50%; animation: pulse-dot 1s infinite;
}

/* ── Face Feed ────────────────────────────────────────── */
.face-feed-panel { min-height: 300px; }
.face-feed {
    padding: 16px; max-height: 600px; overflow-y: auto;
    display: flex; flex-direction: column; gap: 10px;
}
.face-feed::-webkit-scrollbar { width: 6px; }
.face-feed::-webkit-scrollbar-track { background: var(--bg-secondary); }
.face-feed::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

.face-event-card {
    display: flex; gap: 14px;
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 12px;
    transition: all var(--transition);
}
.face-event-card:hover { border-color: var(--cyan); transform: translateX(4px); }
.face-event-card.animate-in { animation: cardSlideIn 0.4s ease; }
@keyframes cardSlideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.fec-image {
    width: 80px; height: 80px; flex-shrink: 0;
    border-radius: 8px; overflow: hidden;
    background: var(--bg-card); border: 1px solid var(--border);
}
.fec-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fec-info { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.fec-time { font-size: 0.72rem; color: var(--text-muted); }
.fec-filename { font-size: 0.82rem; font-weight: 500; color: var(--text-primary); }
.fec-badges { display: flex; flex-wrap: wrap; gap: 4px; }
.fec-badge {
    font-size: 0.68rem; padding: 2px 7px; border-radius: 4px;
    background: var(--bg-card); color: var(--cyan); border: 1px solid var(--border);
}
.fec-actions { display: flex; gap: 6px; margin-top: auto; }

/* ═══════════════════════════════════════════════════════════
   ENROLL FORM
   ═══════════════════════════════════════════════════════════ */
.enroll-form-container, .search-form-container {
    padding: 24px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group-full { grid-column: 1 / -1; }

.form-label {
    font-size: 0.82rem; font-weight: 600; color: var(--text-secondary);
}
.form-label .required { color: var(--error); }

.form-input {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.88rem;
    transition: all var(--transition);
}
.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-input::placeholder { color: var(--text-muted); }

.form-hint {
    font-size: 0.72rem; color: var(--text-muted); margin-top: 2px;
}

/* File Upload Zone */
.file-upload-zone {
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.file-upload-zone:hover {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.05);
}
.file-upload-zone.drag-over {
    border-color: var(--cyan);
    background: rgba(6, 182, 212, 0.08);
    transform: scale(1.01);
}

.file-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    padding: 24px;
}
.file-upload-content svg { opacity: 0.4; color: var(--accent); }
.file-upload-content p { font-size: 0.88rem; }
.file-upload-content .hint { font-size: 0.75rem; opacity: 0.6; }

.file-preview {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    border-radius: var(--radius);
}

.form-actions {
    display: flex; gap: 12px; margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* ═══════════════════════════════════════════════════════════
   ENROLL RESULT
   ═══════════════════════════════════════════════════════════ */
.result-content {
    padding: 20px;
}
.result-data {
    display: flex; flex-direction: column; gap: 8px;
}
.result-row {
    display: flex; align-items: center; gap: 16px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.result-label {
    font-size: 0.78rem; font-weight: 600; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.5px;
    min-width: 120px; flex-shrink: 0;
}
.result-value {
    font-size: 0.88rem; font-weight: 500; color: var(--text-primary);
    word-break: break-all;
}
.result-content pre {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    overflow-x: auto;
    white-space: pre-wrap;
}

/* ═══════════════════════════════════════════════════════════
   SEARCH RESULTS
   ═══════════════════════════════════════════════════════════ */
.search-results {
    padding: 20px;
}
.search-took {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* ── Query vs Match Comparison ──────────────────────── */
.query-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding: 24px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), rgba(6, 182, 212, 0.06));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    animation: fadeSlideIn 0.5s ease;
}

.query-side, .match-side {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.compare-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.compare-photo {
    width: 120px; height: 120px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--bg-card);
    border: 3px solid var(--border);
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
}
.compare-photo:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 28px rgba(0,0,0,0.4);
}
.compare-photo img {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
}

.query-photo-border {
    border-color: var(--accent);
    box-shadow: 0 4px 16px var(--accent-glow);
}
.match-photo-border {
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.compare-vs-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.compare-vs {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border);
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    letter-spacing: 1px;
}
.compare-score {
    font-size: 1.4rem;
    font-weight: 800;
}
.compare-confidence-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.compare-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-candidates {
    display: flex; flex-direction: column; gap: 12px;
}

.candidate-card {
    display: flex; gap: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    transition: all var(--transition);
    animation: cardSlideIn 0.4s ease;
}
.candidate-card:hover {
    border-color: var(--accent);
    transform: translateX(4px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.candidate-photo-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    position: relative;
}

.candidate-rank-badge {
    position: absolute;
    top: -6px; left: -6px;
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 8px;
    font-size: 0.72rem; font-weight: 800;
    color: white; z-index: 2;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.candidate-photo {
    width: 90px; height: 90px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-card);
    border: 2px solid var(--border);
    flex-shrink: 0;
}
.candidate-photo img {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
}
.photo-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 2.2rem;
    background: var(--bg-secondary);
    color: var(--text-muted);
}

.candidate-info {
    flex: 1; display: flex; flex-direction: column; gap: 10px;
}

.candidate-header {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px;
}
.candidate-name {
    font-size: 1rem; font-weight: 700; color: var(--text-primary);
}
.candidate-label {
    font-size: 0.78rem; font-weight: 600;
    padding: 3px 10px; border-radius: 6px;
    background: rgba(255,255,255,0.05);
}

.candidate-scores {
    display: flex; flex-direction: column; gap: 8px;
}
.score-bar {
    display: flex; align-items: center; gap: 10px;
}
.score-label {
    font-size: 0.72rem; font-weight: 500; color: var(--text-muted);
    min-width: 70px;
}
.score-track {
    flex: 1; height: 8px;
    background: var(--bg-card);
    border-radius: 4px;
    overflow: hidden;
}
.score-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s ease;
}
.score-value {
    font-size: 0.78rem; font-weight: 700; color: var(--text-primary);
    min-width: 45px; text-align: right;
}

.candidate-meta {
    display: flex; flex-wrap: wrap; gap: 6px;
}
.meta-badge {
    font-size: 0.72rem; padding: 3px 10px; border-radius: 6px;
    background: var(--bg-card); color: var(--text-secondary);
    border: 1px solid var(--border);
}

/* ── Stream ───────────────────────────────────────────── */
.stream-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.stream-container { position: relative; width: 100%; min-height: 420px; background: #000; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.stream-container img { max-width: 100%; max-height: 600px; display: block; }
.stream-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: var(--text-muted); pointer-events: none; }
.stream-overlay svg { opacity: 0.3; }
.stream-overlay p { font-size: 0.9rem; }
.live-badge {
    position: absolute; top: 16px; left: 16px;
    display: flex; align-items: center; gap: 6px;
    background: rgba(239, 68, 68, 0.9); color: white;
    padding: 4px 12px; border-radius: 4px;
    font-size: 0.75rem; font-weight: 700; letter-spacing: 1px; z-index: 10;
}

/* ── Empty State ──────────────────────────────────────── */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.5; }
.empty-state p { font-size: 0.85rem; margin-bottom: 4px; }
.empty-state .hint { font-size: 0.75rem; opacity: 0.6; }

/* ── Toast ─────────────────────────────────────────────── */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 1000; display: flex; flex-direction: column; gap: 10px; }
.toast { display: flex; align-items: center; gap: 10px; padding: 12px 20px; background: var(--bg-glass); backdrop-filter: blur(16px); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text-primary); font-size: 0.85rem; box-shadow: var(--shadow); animation: toastIn 0.3s ease; min-width: 280px; max-width: 420px; }
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }
.toast.info { border-left: 3px solid var(--accent); }
@keyframes toastIn { from{opacity:0;transform:translateX(40px)} to{opacity:1;transform:translateX(0)} }
@keyframes toastOut { from{opacity:1;transform:translateX(0)} to{opacity:0;transform:translateX(40px)} }

/* ── Loading ──────────────────────────────────────────── */
.loading-overlay { position: fixed; inset: 0; background: rgba(10,14,26,0.8); backdrop-filter: blur(8px); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; z-index: 500; }
.spinner { width: 40px; height: 40px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }
.loading-overlay p { color: var(--text-secondary); font-size: 0.9rem; }

/* ── Responsive ───────────────────────────────────────── */
@media (max-width:768px) {
    .header { padding: 12px 16px; flex-wrap: wrap; gap: 10px; }
    .tab-nav { padding: 0 12px; overflow-x: auto; }
    .tab-btn { padding: 10px 14px; font-size: 0.78rem; }
    .main { padding: 16px; }
    .controls-bar { flex-direction: column; align-items: stretch; }
    .control-actions { flex-direction: column; }
    .control-actions .btn { width: 100%; justify-content: center; }
    .face-event-card { flex-direction: column; }
    .fec-image { width: 100%; height: 120px; }
    .form-grid { grid-template-columns: 1fr; }
    .candidate-card { flex-direction: column; }
    .candidate-photo-col { flex-direction: row; width: 100%; }
    .candidate-photo { width: 60px; height: 60px; }
    .candidate-header { flex-direction: column; align-items: flex-start; }
    .query-comparison { flex-direction: column; gap: 16px; }
    .compare-photo { width: 100px; height: 100px; }
    .compare-vs-col { flex-direction: row; gap: 10px; }
    .compare-vs { width: 36px; height: 36px; font-size: 0.85rem; }
    .camera-grid { grid-template-columns: 1fr; }
    .modal { width: 95%; max-width: 95%; }
}

/* ═══════════════════════════════════════════════════════════
   CAMERA MANAGEMENT STYLES
   ═══════════════════════════════════════════════════════════ */

/* ── Camera Count Badge (Nav) ──────────────────────────── */
.cam-count-badge {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 18px; height: 18px; padding: 0 5px;
    border-radius: 9px;
    background: var(--cyan);
    color: #fff; font-size: 0.65rem; font-weight: 700;
    margin-left: 4px;
}

/* ── Camera Grid ───────────────────────────────────────── */
.camera-list-panel {
    padding: 20px;
}

.camera-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 18px;
}

/* ── Camera Card ───────────────────────────────────────── */
.camera-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    position: relative;
}

.camera-card:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.camera-card.cam-inactive {
    opacity: 0.6;
}

.camera-card.cam-inactive:hover {
    opacity: 0.85;
}

.camera-card.testing {
    border-color: var(--warning);
    box-shadow: 0 0 16px var(--warning-glow);
    animation: cam-pulse 1.5s infinite;
}

@keyframes cam-pulse {
    0%, 100% { box-shadow: 0 0 8px var(--warning-glow); }
    50% { box-shadow: 0 0 20px var(--warning-glow); }
}

/* Card Header */
.cam-card-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px 10px;
    border-bottom: 1px solid var(--border);
}

.cam-card-title {
    display: flex; align-items: center; gap: 8px;
    font-weight: 600; font-size: 0.95rem;
}

.cam-status-dot {
    width: 8px; height: 8px; border-radius: 50%;
    flex-shrink: 0;
}

.cam-status-dot.cam-active { background: var(--success); box-shadow: 0 0 6px var(--success-glow); }
.cam-status-dot.cam-inactive { background: var(--text-muted); }

.cam-label {
    color: var(--text-primary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    max-width: 200px;
}

.cam-id-badge {
    font-size: 0.7rem; font-weight: 700;
    color: var(--text-muted);
    background: rgba(255,255,255,0.06);
    padding: 2px 8px; border-radius: 6px;
}

/* Card Body — Detail Rows */
.cam-card-body {
    padding: 12px 16px;
    display: flex; flex-direction: column; gap: 6px;
}

.cam-detail-row {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.82rem;
}

.cam-detail-icon {
    font-size: 0.85rem;
    width: 20px; text-align: center; flex-shrink: 0;
}

.cam-detail-label {
    color: var(--text-secondary);
    width: 52px; flex-shrink: 0;
}

.cam-detail-value {
    color: var(--text-primary);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Status Badge */
.cam-status-badge {
    font-size: 0.72rem; font-weight: 600;
    padding: 2px 8px; border-radius: 6px;
}

.cam-status-badge.cam-active {
    background: var(--success-glow); color: var(--success);
}

.cam-status-badge.cam-inactive {
    background: rgba(90,100,122,0.2); color: var(--text-muted);
}

/* Card Actions */
.cam-card-actions {
    display: flex; gap: 4px;
    padding: 10px 12px;
    border-top: 1px solid var(--border);
    background: rgba(0,0,0,0.15);
}

.cam-card-actions .btn {
    flex: 1;
    justify-content: center;
    font-size: 0.75rem;
    padding: 6px 4px;
}

/* ═══════════════════════════════════════════════════════════
   MODAL STYLES
   ═══════════════════════════════════════════════════════════ */

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    animation: modalFadeIn 0.2s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 520px;
    max-width: 92vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.25s ease;
}

@keyframes modalSlideIn {
    from { transform: translateY(-20px) scale(0.97); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.05rem; font-weight: 600;
    color: var(--text-primary);
}

.modal-body {
    padding: 22px;
}

.modal-body .form-grid {
    grid-template-columns: 1fr 1fr;
}

.modal-footer {
    display: flex; justify-content: flex-end; gap: 10px;
    padding: 16px 22px;
    border-top: 1px solid var(--border);
    background: rgba(0,0,0,0.1);
}

/* ═══════════════════════════════════════════════════════════
   STREAM MULTI-CAMERA GRID STYLES
   ═══════════════════════════════════════════════════════════ */

.stream-grid-container {
    width: 100%;
    display: grid;
    gap: 16px;
    transition: all var(--transition);
}

.stream-grid-container.grid-layout-1 {
    grid-template-columns: 1fr;
}

.stream-grid-container.grid-layout-2 {
    grid-template-columns: repeat(2, 1fr);
}

.stream-grid-container.grid-layout-4 {
    grid-template-columns: repeat(2, 1fr);
}

.stream-grid-container.grid-layout-8 {
    grid-template-columns: repeat(4, 1fr);
}

.stream-grid-container.grid-layout-16 {
    grid-template-columns: repeat(4, 1fr);
}

/* Grid Cell Wrapper */
.grid-cell {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: all var(--transition);
    position: relative;
}

.grid-cell:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow);
}

.grid-cell-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 12px;
    background: rgba(0,0,0,0.3);
    border-bottom: 1px solid var(--border);
    z-index: 10;
}

.cell-cam-info {
    display: flex; align-items: center; gap: 8px;
    flex: 1;
    min-width: 0;
}

.cell-status-dot {
    width: 8px; height: 8px; border-radius: 50%;
    flex-shrink: 0;
}

.cell-cam-select, .cell-chan-select {
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.78rem;
    padding: 3px 6px;
    outline: none;
    cursor: pointer;
}

.cell-cam-select {
    flex: 1;
    max-width: 220px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.cell-controls-right {
    display: flex; align-items: center; gap: 6px;
}

.cell-play-btn {
    width: 28px; height: 28px; padding: 0;
    border-radius: 6px;
    display: inline-flex; align-items: center; justify-content: center;
}

.grid-cell-view {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}

.grid-cell-view img {
    width: 100%; height: 100%;
    object-fit: contain;
}

.grid-cell-overlay {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 8px;
    color: var(--text-muted);
    background: var(--bg-card);
    text-align: center;
    padding: 12px;
}

.cell-ip-tag {
    font-size: 0.72rem; font-family: monospace; color: var(--cyan);
    background: rgba(6, 182, 212, 0.15); padding: 2px 8px; border-radius: 4px;
}

.empty-cell-placeholder {
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    cursor: pointer; opacity: 0.7; transition: opacity var(--transition);
}

.empty-cell-placeholder:hover {
    opacity: 1;
}

.empty-cell-placeholder span {
    font-size: 1.5rem;
}

.grid-live-badge {
    position: absolute; top: 10px; left: 10px;
    z-index: 5;
}