/* ────────────────────────────────────────────────────────────
   Hummingbird Camera — Detection Gallery (dark theme)
   ──────────────────────────────────────────────────────────── */

:root {
    --bg: #0b0e14;
    --bg-elevated: #12161f;
    --card: #161b26;
    --card-hover: #1b2130;
    --border: #232a3a;
    --text: #e8ecf4;
    --text-dim: #8b94a7;
    --text-faint: #5c6478;

    --bird: #34d399;
    --animal: #fbbf24;
    --human: #f87171;
    --motion: #94a3b8;
    --accent: #38bdf8;

    --radius: 14px;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background:
        radial-gradient(1200px 500px at 80% -10%, rgba(56, 189, 248, 0.07), transparent),
        radial-gradient(900px 400px at 10% -10%, rgba(52, 211, 153, 0.06), transparent),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

#app { max-width: 1200px; margin: 0 auto; padding: 0 20px 60px; }

/* ── Header ─────────────────────────────────────────────── */

.header {
    position: sticky;
    top: 0;
    z-index: 50;
    margin: 0 -20px;
    padding: 14px 20px;
    background: rgba(11, 14, 20, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.logo { display: flex; align-items: center; gap: 12px; }

.logo-icon { font-size: 30px; filter: drop-shadow(0 2px 8px rgba(52, 211, 153, 0.35)); }

.logo-text h1 { font-size: 19px; font-weight: 700; letter-spacing: -0.02em; }

.logo-sub {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-dim);
}

.header-stats { display: flex; align-items: center; gap: 10px; }

.stat-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dim);
}

.refresh-btn {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-dim);
    cursor: pointer;
    transition: all var(--transition);
}

.refresh-btn:hover { color: var(--accent); border-color: var(--accent); }
.refresh-btn.spinning svg { animation: spin 0.8s linear infinite; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Summary strip ──────────────────────────────────────── */

.summary-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.summary-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition);
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--accent);
    opacity: 0.9;
}

.summary-card.accent-bird::before { background: var(--bird); }
.summary-card.accent-animal::before { background: var(--animal); }
.summary-card.accent-human::before { background: var(--human); }

.summary-card:hover { transform: translateY(-2px); border-color: #2e3750; }

.summary-value { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }

.summary-label {
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ── Analytics charts ───────────────────────────────────── */

.analytics { margin-top: 28px; }

.section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 12px;
}

.section-heading h2 { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; }
.section-note { font-size: 12px; color: var(--text-faint); }

.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.chart-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}

.chart-card h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dim);
    margin-bottom: 10px;
}

.chart-wrap { position: relative; height: 180px; }

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

/* ── Controls ───────────────────────────────────────────── */

.controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin: 28px 0 16px;
    padding: 12px 14px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; }

.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: transparent;
    color: var(--text-dim);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

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

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #06121f;
}

.toggle-group { display: flex; gap: 16px; flex-wrap: wrap; }

.toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.toggle input { display: none; }

.toggle-track {
    width: 38px;
    height: 22px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 999px;
    position: relative;
    transition: all var(--transition);
    flex-shrink: 0;
}

.toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: var(--text-faint);
    border-radius: 50%;
    transition: all var(--transition);
}

.toggle input:checked + .toggle-track { background: rgba(52, 211, 153, 0.18); border-color: var(--bird); }
.toggle input:checked + .toggle-track .toggle-thumb { left: 18px; background: var(--bird); }

.toggle[data-category="animal"] input:checked + .toggle-track { background: rgba(251, 191, 36, 0.15); border-color: var(--animal); }
.toggle[data-category="animal"] input:checked + .toggle-track .toggle-thumb { background: var(--animal); }

.toggle[data-category="human"] input:checked + .toggle-track { background: rgba(248, 113, 113, 0.15); border-color: var(--human); }
.toggle[data-category="human"] input:checked + .toggle-track .toggle-thumb { background: var(--human); }

.toggle-label { font-size: 13px; font-weight: 600; color: var(--text-dim); }
.toggle input:checked ~ .toggle-label { color: var(--text); }

/* ── Gallery grid ───────────────────────────────────────── */

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    animation: cardIn 0.35s ease both;
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.card:hover {
    transform: translateY(-4px);
    border-color: #2e3750;
    box-shadow: var(--shadow);
}

.card-media {
    position: relative;
    aspect-ratio: 4 / 3;
    background: var(--bg-elevated);
    overflow: hidden;
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.card:hover .card-media img { transform: scale(1.04); }

/* Bounding box overlay */
.bbox-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.bbox {
    position: absolute;
    border: 2px solid var(--bird);
    border-radius: 3px;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4);
}

.bbox .bbox-label {
    position: absolute;
    top: -20px;
    left: -2px;
    padding: 1px 6px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: #06121f;
    background: var(--bird);
    border-radius: 3px 3px 3px 0;
    white-space: nowrap;
}

.bbox.b-human { border-color: var(--human); }
.bbox.b-human .bbox-label { background: var(--human); }
.bbox.b-animal { border-color: var(--animal); }
.bbox.b-animal .bbox-label { background: var(--animal); }

.type-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: 999px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.type-badge.bird   { background: rgba(52, 211, 153, 0.85);  color: #06121f; }
.type-badge.animal { background: rgba(251, 191, 36, 0.88);  color: #1a1204; }
.type-badge.human  { background: rgba(248, 113, 113, 0.88); color: #1f0808; }
.type-badge.motion { background: rgba(148, 163, 184, 0.85); color: #0f1218; }

.card-info { padding: 12px 14px; display: flex; flex-direction: column; gap: 4px; }

.card-label { font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 8px; }

.confidence {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.14);
    color: var(--accent);
}

.card-time { font-size: 12px; color: var(--text-dim); }
.card-species { font-size: 12px; color: var(--text-faint); font-style: italic; }

/* ── Loading / empty / load more ────────────────────────── */

.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 0;
    color: var(--text-dim);
}

.spinner {
    width: 34px;
    height: 34px;
    margin: 0 auto 12px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.load-more { text-align: center; margin-top: 24px; }

.load-more-btn {
    padding: 12px 36px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

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

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-dim);
}

.empty-icon { font-size: 56px; margin-bottom: 16px; opacity: 0.7; }
.empty-state h2 { font-size: 20px; color: var(--text); margin-bottom: 8px; }
.empty-state p { font-size: 14px; max-width: 420px; margin: 0 auto; line-height: 1.6; }

.footer {
    margin-top: 48px;
    text-align: center;
    font-size: 12px;
    color: var(--text-faint);
    letter-spacing: 0.06em;
}

/* ── Lightbox ───────────────────────────────────────────── */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.lightbox.open { opacity: 1; visibility: visible; }

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(4, 6, 10, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.lightbox-content {
    position: relative;
    max-width: 92vw;
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transform: scale(0.96);
    transition: transform var(--transition);
}

.lightbox.open .lightbox-content { transform: scale(1); }

.lightbox-image-wrapper {
    position: relative;
    line-height: 0;
}

.lightbox-image {
    max-width: 92vw;
    max-height: 76vh;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.lightbox-info {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
    line-height: 1.4;
}

.lightbox-timestamp { font-size: 13px; color: var(--text-dim); }

.lightbox-detections { display: flex; gap: 8px; flex-wrap: wrap; }

.det-chip {
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 700;
    border-radius: 999px;
}

.det-chip.bird   { background: rgba(52, 211, 153, 0.16);  color: var(--bird);   border: 1px solid rgba(52, 211, 153, 0.4); }
.det-chip.animal { background: rgba(251, 191, 36, 0.14);  color: var(--animal); border: 1px solid rgba(251, 191, 36, 0.4); }
.det-chip.human  { background: rgba(248, 113, 113, 0.14); color: var(--human);  border: 1px solid rgba(248, 113, 113, 0.4); }
.det-chip.motion { background: rgba(148, 163, 184, 0.14); color: var(--motion); border: 1px solid rgba(148, 163, 184, 0.4); }

.lightbox-close {
    position: absolute;
    top: -6px;
    right: -6px;
    z-index: 5;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--card);
    color: var(--text);
    font-size: 22px;
    cursor: pointer;
    transition: all var(--transition);
}

.lightbox-close:hover { background: var(--human); color: #fff; transform: rotate(90deg); }

.lightbox-nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 46px;
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: rgba(22, 27, 38, 0.8);
    color: var(--text);
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition);
}

.lightbox-nav:hover { border-color: var(--accent); color: var(--accent); }
.lightbox-prev { left: 18px; }
.lightbox-next { right: 18px; }

/* ── Responsive ─────────────────────────────────────────── */

@media (max-width: 768px) {
    .summary-strip { grid-template-columns: repeat(2, 1fr); }
    .charts-row { grid-template-columns: 1fr; }
    .gallery { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
    .controls { flex-direction: column; align-items: stretch; }
    .filter-bar { justify-content: center; }
    .toggle-group { justify-content: center; }
    .logo-text h1 { font-size: 16px; }
    .lightbox-nav { width: 38px; height: 38px; font-size: 20px; }
    .lightbox-prev { left: 8px; }
    .lightbox-next { right: 8px; }
}

@media (max-width: 420px) {
    .summary-value { font-size: 21px; }
    .gallery { grid-template-columns: 1fr 1fr; }
}