/* FR-in-the-Wild: Precision Engineering — Light Instrument Panel */

:root {
    --bg-deep: #f4f5f7;
    --bg-card: rgba(255, 255, 255, 0.92);
    --bg-glass: rgba(240, 242, 245, 0.7);
    --bg-inset: #eaecf0;

    --accent-amber: #c47a2a;
    --accent-copper: #9e5c1b;
    --accent-glow: rgba(196, 122, 42, 0.15);
    --accent-light: #f5e6d3;

    --text-high: #111318;
    --text-mid: #3d4250;
    --text-low: #6b7080;

    --status-active: #2d8a3e;
    --status-error: #c03a3a;
    --status-warning: #b87a1a;

    --border-light: rgba(0, 0, 0, 0.08);
    --border-accent: rgba(196, 122, 42, 0.25);
    --border-mid: rgba(0, 0, 0, 0.12);

    --font-main: 'Outfit', sans-serif;
    --font-mono: 'Space Mono', monospace;

    --radius-lg: 12px;
    --radius-md: 8px;
    --radius-sm: 5px;

    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
    --shadow-deep: 0 8px 24px rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-deep);
    color: var(--text-high);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ── Ambient Effects (subtle warm tint) ── */
.glow-orb {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(160px);
    z-index: -1;
    opacity: 0.06;
    pointer-events: none;
}

.glow-orb.top-right {
    top: -250px;
    right: -250px;
    background: var(--accent-amber);
}

.glow-orb.bottom-left {
    bottom: -250px;
    left: -250px;
    background: var(--accent-copper);
}

/* ── Layout ── */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px 60px;
}

/* ── Header ── */
.main-header {
    padding: 20px 40px;
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 40px;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(244, 245, 247, 0.9);
}

.header-content {
    max-width: 1360px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-mark {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--accent-amber), var(--accent-copper));
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    box-shadow: 0 2px 8px var(--accent-glow);
}

.brand h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 2px;
    line-height: 1;
    color: var(--text-high);
}

.text-accent {
    color: var(--accent-amber);
}

.brand .subtitle {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-low);
    margin-top: 3px;
}

.model-status-container {
    text-align: right;
}

.status-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-low);
    margin-bottom: 6px;
    letter-spacing: 1px;
}

.model-status {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.status-badge {
    font-family: var(--font-mono);
    font-size: 0.63rem;
    padding: 4px 12px;
    border-radius: 4px;
    background: var(--bg-inset);
    border: 1px solid var(--border-light);
    color: var(--text-mid);
}

.status-badge.active {
    border-color: var(--status-active);
    color: var(--status-active);
    background: rgba(45, 138, 62, 0.06);
}

/* ── Upload Card ── */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.upload-card {
    max-width: 900px;
    margin: 0 auto;
}

.upload-zone {
    padding: 80px 40px;
    text-align: center;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.upload-zone:hover {
    background: var(--accent-light);
}

.upload-icon {
    margin-bottom: 24px;
    color: var(--accent-amber);
    filter: drop-shadow(0 2px 4px var(--accent-glow));
}

.upload-zone h3 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 8px;
    color: var(--text-high);
}

.upload-zone p {
    color: var(--text-mid);
    font-size: 0.95rem;
}

.samples-container {
    padding: 24px 40px;
    background: var(--bg-inset);
}

.samples-header {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-low);
    margin-bottom: 16px;
    text-transform: uppercase;
}

.samples-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.sample-btn {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    background: var(--bg-card);
    color: var(--text-mid);
    border: 1px solid var(--border-light);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.sample-btn:hover {
    border-color: var(--accent-amber);
    color: var(--accent-amber);
    background: var(--accent-light);
}

/* ── Processing State ── */
.processing {
    display: none;
    padding: 100px 0;
    text-align: center;
}

.processing.active {
    display: block;
}

.neural-loader {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.loader-circle {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-amber);
    box-shadow: 0 0 8px var(--accent-glow);
    animation: pulse 1.5s infinite ease-in-out;
}

.loader-circle:nth-child(2) { animation-delay: 0.2s; }
.loader-circle:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.4); opacity: 1; }
}

.processing h2 {
    font-size: 1.1rem;
    letter-spacing: 4px;
    font-weight: 300;
    margin-bottom: 24px;
    color: var(--text-mid);
}

.pipeline-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.step {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-low);
}

.step.active {
    color: var(--accent-amber);
    font-weight: 700;
}

.step-divider {
    width: 24px;
    height: 1px;
    background: var(--border-mid);
}

.processing-meta {
    font-size: 0.85rem;
    color: var(--text-low);
}

/* ── Results Container ── */
.results-section {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.results-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Timing & Overview ── */
.timing-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1px;
    background: var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-light);
    margin-bottom: 40px;
}

.timing-item {
    background: var(--bg-card);
    padding: 24px;
    text-align: center;
}

.timing-item .value {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-amber);
}

.timing-item .label {
    display: block;
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-low);
    margin-top: 4px;
}

.pipeline-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 60px;
}

.overview-card .card-header {
    padding: 16px 24px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-mid);
}

.overview-card .tag {
    color: var(--accent-copper);
    font-weight: 700;
}

.overview-card img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background: var(--bg-inset);
    display: block;
}

/* ── Face Analysis Cards ── */
.faces-section h2 {
    font-size: 1.1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-mid);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.faces-section h2::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-mid);
}

.face-card {
    margin-bottom: 60px;
}

.face-card-header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.face-card-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.face-card-header .meta {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-low);
}

.face-card-body {
    padding: 40px;
}

/* Top Detail Section */
.face-summary {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.face-crop-container {
    position: relative;
}

.face-crop-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-accent);
    box-shadow: 0 4px 16px rgba(196, 122, 42, 0.1);
}

.face-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.info-item {
    padding: 16px;
    background: var(--bg-inset);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.info-item label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--text-low);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.info-item .val {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-high);
}

/* Stage Grid */
.stages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.stage-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.stage-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-deep);
    transform: translateY(-2px);
}

.stage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.stage-name {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--accent-copper);
    letter-spacing: 1px;
}

.stage-time {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    color: var(--text-low);
}

.data-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.data-row .key {
    color: var(--text-mid);
}

.data-row .val {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--text-high);
}

.data-row .val.green { color: var(--status-active); }
.data-row .val.orange { color: var(--status-warning); }
.data-row .val.cyan { color: var(--accent-amber); }
.data-row .val.gold { color: #a06820; }

.embedding-preview {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    background: var(--bg-inset);
    padding: 12px;
    border-radius: var(--radius-sm);
    color: var(--text-low);
    margin-top: 12px;
    border: 1px solid var(--border-light);
}

/* Showcase Section */
.showcase-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-mid);
}

.showcase-title {
    font-size: 0.95rem;
    letter-spacing: 3px;
    color: var(--text-mid);
    margin-bottom: 30px;
    text-transform: uppercase;
}

.showcase-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.sr-compare {
    display: grid;
    gap: 20px;
    margin-top: 20px;
}

.sr-compare img {
    width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.sr-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    text-align: center;
    color: var(--text-low);
    margin-top: 10px;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .container { padding: 0 24px 40px; }
    .pipeline-overview { grid-template-columns: 1fr; }
    .face-summary { grid-template-columns: 1fr; }
    .face-crop-img { width: 160px; }
}

@media (max-width: 768px) {
    .main-header { padding: 20px 24px; }
    .header-content { flex-direction: column; align-items: flex-start; gap: 20px; }
    .model-status { justify-content: flex-start; }
    .upload-zone { padding: 60px 24px; }
    .timing-bar { grid-template-columns: 1fr 1fr; }
}

.text-center { text-align: center; }
.hidden { display: none !important; }

/* ── Settings Panel ── */
.btn-settings {
    background: none;
    border: 1px solid var(--border-light);
    color: var(--text-mid);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    margin-left: 0.5rem;
}
.btn-settings:hover {
    color: var(--accent-amber);
    border-color: var(--accent-amber);
}
.settings-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 0;
    margin: 1rem auto;
    max-width: 420px;
    box-shadow: var(--shadow-deep);
}
.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-light);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 2px;
    color: var(--accent-copper);
}
.settings-close {
    background: none;
    border: none;
    color: var(--text-mid);
    font-size: 1.2rem;
    cursor: pointer;
}
.settings-close:hover { color: var(--status-error); }
.settings-body {
    padding: 1rem;
}
.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}
.setting-row label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 1px;
    color: var(--text-mid);
}
.setting-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.setting-value {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-amber);
    min-width: 2.5rem;
    text-align: right;
}
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 120px;
    height: 4px;
    background: var(--border-mid);
    border-radius: 2px;
    outline: none;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-amber);
    cursor: pointer;
    box-shadow: 0 1px 4px var(--accent-glow);
}
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 20px;
}
.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--border-mid);
    border-radius: 20px;
    transition: 0.3s;
}
.toggle-slider:before {
    content: "";
    position: absolute;
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background: #fff;
    border-radius: 50%;
    transition: 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.toggle-switch input:checked + .toggle-slider {
    background: var(--accent-amber);
}
.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
    background: #fff;
}
.step.complete {
    color: var(--status-active);
    opacity: 0.6;
}

/* ── Batch Processing ── */
.batch-section {
    margin-top: 2rem;
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: var(--bg-card);
    box-shadow: var(--shadow-card);
}
.batch-section h3 { margin: 0 0 0.5rem; font-size: 1.05rem; letter-spacing: 1px; }
.batch-desc { color: var(--text-mid); font-size: 0.9rem; margin-bottom: 1rem; }
.btn-batch {
    padding: 0.6rem 1.5rem;
    background: var(--accent-amber);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: background 0.2s;
}
.btn-batch:hover { background: var(--accent-copper); }
.batch-queue { margin-top: 1rem; }
.batch-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 0.75rem;
}
.btn-process {
    padding: 0.5rem 1.2rem;
    background: var(--status-active);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
    transition: background 0.2s;
}
.btn-process:hover { background: #247832; }
.btn-process:disabled { background: #bfc3cc; cursor: not-allowed; color: #888; }
.batch-file-list { max-height: 200px; overflow-y: auto; border: 1px solid var(--border-light); border-radius: 4px; padding: 0.5rem; background: var(--bg-inset); }
.batch-item {
    display: flex; justify-content: space-between; padding: 0.4rem 0.6rem;
    border-bottom: 1px solid var(--border-light); font-size: 0.9rem;
}
.batch-item:last-child { border-bottom: none; }
.batch-filename { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.batch-status { font-size: 0.85rem; font-weight: 600; margin-left: 1rem; }
.batch-status.pending { color: var(--text-low); }
.batch-status.processing { color: var(--status-warning); }
.batch-status.done { color: var(--status-active); }
.batch-progress {
    display: flex; align-items: center; gap: 1rem; margin-top: 0.75rem;
}
.progress-bar {
    flex: 1; height: 8px; background: var(--bg-inset); border-radius: 4px; overflow: hidden; border: 1px solid var(--border-light);
}
.progress-fill {
    height: 100%; width: 0; background: var(--status-active); transition: width 0.3s;
}
.batch-results { margin-top: 1.5rem; }
.batch-results h3 { font-size: 1.05rem; letter-spacing: 1px; margin-bottom: 1rem; }
.batch-result-card {
    border: 1px solid var(--border-light); border-radius: 6px; padding: 0.75rem;
    margin-bottom: 0.75rem; background: var(--bg-card); box-shadow: var(--shadow-card);
}
.batch-result-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 0.5rem;
}
.batch-result-thumb {
    max-width: 200px; margin-top: 0.5rem; border-radius: 4px; border: 1px solid var(--border-light);
}
.batch-error { color: var(--status-error); font-size: 0.85rem; }
.batch-face-count { color: var(--status-active); font-weight: 600; font-size: 0.85rem; }
.btn-view-detail {
    padding: 0.25rem 0.75rem; font-size: 0.8rem; margin-left: 0.75rem;
    background: var(--accent-amber); color: #fff; border: none; border-radius: 4px;
    cursor: pointer; font-weight: 600; font-family: var(--font-mono);
    transition: background 0.2s;
}
.btn-view-detail:hover { background: var(--accent-copper); }