:root {
  color-scheme: light;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  --background: #f3f5f8;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --border: #dfe4ea;
  --text: #172033;
  --muted: #667085;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #b42318;
  --success: #067647;
  --shadow:
    0 8px 24px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
}

button {
  font: inherit;
}

.hidden {
  display: none !important;
}

.auth-loader {
  display: grid;
  min-height: 100vh;
  place-items: center;
  color: var(--muted);
}

.faces-app {
  width: min(1440px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 24px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
}

.page-subtitle,
.section-heading p,
.cluster-metadata,
.face-details,
.empty-state {
  color: var(--muted);
}

.page-subtitle {
  margin-bottom: 0;
}

.header-actions {
  display: flex;
  gap: 10px;
}

.primary-button,
.secondary-button {
  min-height: 42px;
  padding: 9px 16px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 650;
}

.primary-button {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: white;
}

.primary-button:hover {
  background: var(--primary-hover);
}

.secondary-button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.status-panel {
  margin-bottom: 18px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.status-panel.error {
  border-color: #fecdca;
  background: #fef3f2;
  color: var(--danger);
}

.status-panel.success {
  border-color: #abefc6;
  background: #ecfdf3;
  color: var(--success);
}

.review-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
  overflow-x: auto;
}

.review-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 8px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}

.review-tab span {
  display: inline-grid;
  min-width: 24px;
  min-height: 24px;
  place-items: center;
  border-radius: 999px;
  background: var(--surface-muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.review-tab.active {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
}

.review-tab.active span {
  background: rgba(255, 255, 255, 0.18);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-heading h2 {
  margin-bottom: 5px;
}

.section-heading p {
  margin-bottom: 0;
}

.cluster-grid {
  display: grid;
  gap: 18px;
}

.cluster-card {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.cluster-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.cluster-title {
  margin-bottom: 4px;
  font-size: 1.2rem;
}

.cluster-size-badge {
  padding: 5px 10px;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.82rem;
  font-weight: 700;
}

.cluster-metadata {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.face-grid {
  display: grid;
  grid-template-columns:
    repeat(
      auto-fill,
      minmax(150px, 1fr)
    );
  gap: 14px;
}

.face-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-muted);
}

.face-image-wrapper {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: #e8edf3;
}

.face-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.face-image.loading {
  opacity: 0.25;
}

.face-placeholder {
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  padding: 12px;
  color: var(--muted);
  text-align: center;
}

.face-body {
  padding: 10px;
}

.face-name {
  overflow: hidden;
  margin-bottom: 5px;
  font-size: 0.88rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.face-details {
  margin-bottom: 0;
  font-size: 0.78rem;
  line-height: 1.45;
}

.persons-grid {
  display: grid;
  grid-template-columns:
    repeat(
      auto-fill,
      minmax(230px, 1fr)
    );
  gap: 14px;
}

.person-card,
.empty-state {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}

.empty-state {
  text-align: center;
}

@media (max-width: 720px) {
  .faces-app {
    padding: 16px;
  }

  .page-header {
    display: block;
  }

  .header-actions {
    margin-top: 16px;
  }

  .header-actions button {
    flex: 1;
  }

  .cluster-header {
    display: block;
  }

  .cluster-size-badge {
    display: inline-block;
    margin-top: 8px;
  }

  .face-grid {
    grid-template-columns:
      repeat(
        auto-fill,
        minmax(125px, 1fr)
      );
  }
}

.cluster-controls {
  display: grid;
  grid-template-columns:
    minmax(180px, 1fr)
    minmax(180px, 1fr)
    auto;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.person-name-input,
.person-select {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.face-card.selectable {
  position: relative;
}

.face-selection {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
}

.face-selection input {
  width: 18px;
  height: 18px;
}

@media (max-width: 720px) {
  .cluster-controls {
    grid-template-columns: 1fr;
  }
}

.person-card.clickable {
  cursor: pointer;
  transition:
    transform 150ms ease,
    box-shadow 150ms ease;
}

.person-card.clickable:hover,
.person-card.clickable:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  outline: none;
}

.person-detail-overlay {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.72);
}

.person-detail-dialog {
  width: min(1200px, 100%);
  max-height: 92vh;
  overflow: auto;
  padding: 20px;
  border-radius: 22px;
  background: var(--surface);
  box-shadow:
    0 24px 60px rgba(15, 23, 42, 0.3);
}

.person-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.person-rename-area {
  display: grid;
  grid-template-columns:
    minmax(220px, 1fr)
    auto;
  gap: 10px;
  margin-bottom: 20px;
}

.person-detail-faces {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.danger-button {
  width: 100%;
  margin-top: 10px;
  padding: 8px 10px;
  border: 1px solid #fda29b;
  border-radius: 10px;
  background: #fef3f2;
  color: var(--danger);
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
}

.danger-button:hover {
  background: #fee4e2;
}

.danger-button:disabled {
  cursor: wait;
  opacity: 0.6;
}

@media (max-width: 720px) {
  .person-detail-overlay {
    padding: 8px;
  }

  .person-detail-dialog {
    max-height: 96vh;
    padding: 15px;
    border-radius: 16px;
  }

  .person-detail-header {
    display: block;
  }

  .person-detail-header button {
    width: 100%;
    margin-top: 12px;
  }

  .person-rename-area {
    grid-template-columns: 1fr;
  }
}

[hidden] {
  display: none !important;
}

.noise-person-controls {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.noise-person-controls .primary-button {
  width: 100%;
}

.noise-person-controls .primary-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.bulk-noise-controls {
  display: grid;
  grid-template-columns:
    auto
    minmax(180px, 1fr)
    minmax(180px, 1fr)
    auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.bulk-selection-actions {
  display: flex;
  gap: 8px;
}

.noise-selectable {
  position: relative;
}

.noise-selection {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 700;
}

.noise-selection input {
  width: 19px;
  height: 19px;
}

@media (max-width: 900px) {
  .bulk-noise-controls {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .bulk-noise-controls {
    grid-template-columns: 1fr;
  }

  .bulk-selection-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}


.person-face-badges {
  position: absolute;
  z-index: 3;
  top: 8px;
  left: 8px;
  right: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  pointer-events: none;
}
.person-face-badge {
  padding: 4px 7px;
  border-radius: 999px;
  box-shadow: 0 2px 7px rgba(15, 23, 42, 0.18);
  font-size: 0.68rem;
  font-weight: 800;
}
.prototype-badge { background: #dcfae6; color: #067647; }
.difficult-badge { background: #fef0c7; color: #b54708; }
.noise-badge { background: #f4ebff; color: #6941c6; }
.cluster-badge { background: #eff8ff; color: #175cd3; }
.reference-info { margin-top: 8px; padding: 8px; border-radius: 10px; font-size: 0.76rem; line-height: 1.4; }
.prototype-info { background: #ecfdf3; color: #067647; }
.difficult-info { background: #fffaeb; color: #b54708; }
.recognition-index-panel { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface-muted); }
.index-status { padding: 4px 9px; border-radius: 999px; font-size: 0.76rem; font-weight: 800; }
.index-status.dirty { background: #fef0c7; color: #b54708; }
.index-status.ready { background: #dcfae6; color: #067647; }
.index-state-details { color: var(--muted); font-size: 0.82rem; }
.person-face-filters { display: flex; gap: 8px; margin-bottom: 16px; overflow-x: auto; }
.person-face-filter { flex: 0 0 auto; min-height: 36px; padding: 7px 12px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); color: var(--text); cursor: pointer; font: inherit; font-size: 0.8rem; font-weight: 700; }
.person-face-filter.active { border-color: var(--primary); background: var(--primary); color: white; }

.recognized-badge {
  background: #dcfae6;
  color: #067647;
}

.below-threshold-badge {
  background: #fef0c7;
  color: #b54708;
}

.recognition-coverage-summary {
  margin: 5px 0 0;
  color: #067647;
  font-size: 0.82rem;
  font-weight: 750;
}

.person-face-filter[data-filter="below"] {
  border-color: #fdb022;
}

.person-face-filter[data-filter="below"].active {
  border-color: #f79009;
  background: #f79009;
  color: #ffffff;
}