/* FaceBio – right-to-left (Dari, Pashto) and left-to-right (English), light & dark. No inline styles anywhere (the Content-Security-Policy forbids them). */

:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #0f766e;
  --primary-hover: #115e59;
  --primary-soft: #ccfbf1;
  --on-primary: #ffffff;
  --success: #15803d;
  --success-soft: #dcfce7;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
  --warning: #a16207;
  --warning-soft: #fef9c3;
  --box: #22c55e;
  --radius: 12px;
  --shadow: 0 1px 2px rgb(15 23 42 / 5%), 0 6px 20px rgb(15 23 42 / 6%);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --surface: #111827;
    --surface-2: #1a2234;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --border: #243045;
    --primary: #2dd4bf;
    --primary-hover: #5eead4;
    --primary-soft: #134e4a;
    --on-primary: #042f2e;
    --success: #4ade80;
    --success-soft: #14532d;
    --danger: #f87171;
    --danger-soft: #450a0a;
    --warning: #facc15;
    --warning-soft: #422006;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 6px 20px rgb(0 0 0 / 25%);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.75;
}

a { color: var(--primary); }

h1 { font-size: 22px; margin: 0 0 6px; line-height: 1.4; }
h2 { font-size: 17px; margin: 22px 0 10px; line-height: 1.4; }
.card > h2:first-child { margin-top: 0; }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.nowrap { white-space: nowrap; }


/* ---------------------------------------------------------------- top bar */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding: 10px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 19px;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: .3px;
}

.nav { display: flex; flex-wrap: wrap; gap: 4px; }

.nav a {
  padding: 5px 12px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
}
.nav a:hover { background: var(--surface-2); }
.nav a.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }

.user {
  margin-inline-start: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}
.user a { color: var(--muted); text-decoration: none; }
.user a:hover, .user a.active { color: var(--primary); }

/* ---------------------------------------------------------------- layout */

.container { max-width: 1180px; margin: 24px auto; padding: 0 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 24px;
  margin-bottom: 20px;
}
.card.narrow { max-width: 440px; margin: 56px auto; }

@media (max-width: 600px) {
  .topbar { padding: 10px 16px; }
  .card { padding: 16px; }
  .card.narrow { margin: 24px auto; }
}

/* ---------------------------------------------------------------- forms & buttons */

label { display: block; margin: 12px 0 4px; font-weight: 600; font-size: 14px; }

input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
}

input[type=file] { font: inherit; color: var(--muted); max-width: 100%; }

button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  line-height: 1.5;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
button:hover, .button:hover { background: var(--surface-2); }
label.button { margin: 0; font-weight: 400; font-size: inherit; }

button.primary { background: var(--primary); border-color: var(--primary); color: var(--on-primary); font-weight: 600; }
button.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
button.wide { width: 100%; margin-top: 20px; }
button.link { padding: 0; border: 0; background: none; color: var(--muted); font-size: 13px; }
button.link:hover { color: var(--primary); background: none; }
button.link.danger:hover { color: var(--danger); }
button.done { background: var(--success-soft); border-color: var(--success-soft); color: var(--success); }
button:disabled { opacity: .55; cursor: not-allowed; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.inline-form { display: inline; margin: 0; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0 14px;
  align-items: end;
}
.form-grid button { margin-top: 12px; width: 100%; }

.alert { padding: 10px 14px; border-radius: 8px; margin: 12px 0; font-size: 14px; }
.alert.error { background: var(--danger-soft); color: var(--danger); }
.alert.ok { background: var(--success-soft); color: var(--success); }
.alert.warn { background: var(--warning-soft); color: var(--warning); }

/* ---------------------------------------------------------------- search */

.query {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 24px;
  align-items: start;
  margin-top: 16px;
}
@media (max-width: 760px) { .query { grid-template-columns: 1fr; } }

.stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  padding: 12px;
  background: var(--surface-2);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.stage video { display: block; width: 100%; max-height: 440px; border-radius: 8px; background: #000; }
.stage video.mirror { transform: scaleX(-1); }
.placeholder { color: var(--muted); margin: 0; }

.photo-frame { position: relative; display: inline-block; max-width: 100%; line-height: 0; }
.photo-frame img { display: block; max-width: 100%; max-height: 440px; border-radius: 8px; }

.face-box {
  position: absolute;
  border: 3px solid var(--box);
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgb(0 0 0 / 40%);
  pointer-events: none;
}

.actions { display: flex; flex-direction: column; gap: 10px; }
.actions p { margin: 4px 0 0; }

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding: 10px 14px;
  margin-bottom: 8px;
  background: var(--surface-2);
  border-radius: 10px;
  font-size: 14px;
  color: var(--muted);
}
.stats strong { color: var(--text); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.result {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}
.result .thumb { position: relative; line-height: 0; background: var(--surface-2); cursor: zoom-in; }
.result .thumb img { display: block; width: 100%; height: auto; }
.result .meta { display: flex; flex-direction: column; gap: 2px; padding: 10px 12px 6px; font-size: 13px; }
.result .buttons { display: flex; flex-wrap: wrap; gap: 8px; padding: 6px 12px 12px; margin-top: auto; }
.result .buttons button { flex: 1 1 auto; padding: 6px 10px; font-size: 13px; }

.badge {
  display: inline-block;
  width: fit-content;
  padding: 1px 10px;
  border-radius: 999px;
  background: var(--success-soft);
  color: var(--success);
  font-size: 12px;
  font-weight: 600;
}

/* ---------------------------------------------------------------- lightbox */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px 24px 24px;
  background: rgb(2 6 23 / 88%);
}
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 8px; box-shadow: 0 10px 40px rgb(0 0 0 / 50%); }
.lightbox button { position: absolute; top: 12px; inset-inline-end: 16px; }

/* ---------------------------------------------------------------- admin */

.counters { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; }
.counter {
  min-width: 130px;
  padding: 8px 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--muted);
  font-size: 13px;
}
.counter b { display: block; color: var(--text); font-size: 22px; line-height: 1.4; }

.upload-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.progress { height: 8px; margin-top: 12px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.progress > div { width: 0; height: 100%; background: var(--primary); transition: width .2s; }
.upload-log {
  max-height: 180px;
  overflow: auto;
  padding: 10px;
  background: var(--surface-2);
  border-radius: 8px;
  font-size: 12px;
  white-space: pre-wrap;
  unicode-bidi: plaintext;
  text-align: start;
}

.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tabs a {
  padding: 3px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
}
.tabs a.active { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }

.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.photo-tile { border: 1px solid var(--border); border-radius: 10px; background: var(--surface); overflow: hidden; font-size: 12px; }
.photo-tile img, .tile-placeholder { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--surface-2); }
.tile-placeholder { display: flex; align-items: center; justify-content: center; color: var(--muted); }
.photo-tile .info { display: flex; flex-direction: column; gap: 2px; padding: 6px 8px 8px; }
.photo-tile .name { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.photo-tile form { margin: 0; }

.status-ok { color: var(--success); }
.status-pending { color: var(--warning); }
.status-failed { color: var(--danger); }

.pager { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 18px; color: var(--muted); font-size: 14px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: start; vertical-align: middle; }
th { color: var(--muted); font-size: 13px; font-weight: 600; }
.row-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.row-actions form { margin: 0; }
.row-actions summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.inline-row { display: flex; gap: 6px; margin-top: 6px; }
.inline-row input { min-width: 160px; }

.report-pair { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.history-img { display: block; width: 64px; height: 64px; object-fit: cover; border: 1px solid var(--border); border-radius: 6px; }

/* ---------------------------------------------------------------- similarity levels */

.badge.high { background: var(--success-soft); color: var(--success); }
.badge.medium { background: var(--warning-soft); color: var(--warning); }
.badge.low { background: var(--surface-2); color: var(--muted); }

/* ---------------------------------------------------------------- sensitivity slider */

.sensitivity {
  margin-top: 6px;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.sensitivity-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.sensitivity-head label { margin: 0; }
.sensitivity-head strong { font-size: 20px; color: var(--primary); }
.sensitivity input[type=range] { width: 100%; margin: 8px 0 2px; accent-color: var(--primary); }
.sensitivity-scale { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.sensitivity p { margin: 6px 0 0; }

/* ---------------------------------------------------------------- language page */

.language-card { text-align: center; }
.language-card h1 { color: var(--primary); font-size: 26px; }
.language-card p { margin: 2px 0; color: var(--muted); }
.language-options { display: grid; gap: 12px; margin-top: 22px; }
.language-option { width: 100%; padding: 14px; font-size: 20px; font-weight: 600; }
.language-option.current { border-color: var(--primary); color: var(--primary); }
.language-option[lang^=fa], .language-option[lang^=ps] { font-family: "Segoe UI", Tahoma, sans-serif; }
/* ---------------------------------------------------------------- details of the person on a photo */

textarea { resize: vertical; min-height: 60px; }

.person-box { margin-top: 14px; border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; background: var(--surface-2); }
.person-box > summary { cursor: pointer; font-weight: 600; font-size: 14px; }
.person-box > summary + p { margin-top: 8px; }
.person-box .form-grid { margin-top: 0; }

/* Sensitivity level 1/2/3 – only a label, it does not change what a search finds. */
.badge.lvc-gray { background: var(--surface-2); color: var(--muted); }
.badge.lvc-blue { background: #dbeafe; color: #1d4ed8; }
.badge.lvc-green { background: var(--success-soft); color: var(--success); }
.badge.lvc-yellow { background: var(--warning-soft); color: var(--warning); }
.badge.lvc-red { background: var(--danger-soft); color: var(--danger); }

.result .person { display: flex; flex-direction: column; gap: 2px; padding: 0 12px 8px; font-size: 13px; }
.person-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 2px; }
.person-head strong { overflow-wrap: anywhere; }
.person-value { color: var(--text); overflow-wrap: anywhere; }

.photo-tile.off { opacity: .6; border-style: dashed; }
.photo-tile .badge { font-size: 11px; padding: 0 8px; }
.tile-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 4px; }
.tile-actions a { color: var(--muted); font-size: 13px; text-decoration: none; }
.tile-actions a:hover { color: var(--primary); }

.photo-edit { display: flex; flex-wrap: wrap; gap: 18px; margin: 16px 0; }
.photo-edit-image img, .photo-edit-image .tile-placeholder {
  width: 220px;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  cursor: zoom-in;
}
.photo-facts { display: grid; grid-template-columns: auto 1fr; align-content: start; gap: 4px 14px; margin: 0; font-size: 14px; }
.photo-facts dt { color: var(--muted); }
.photo-facts dd { margin: 0; overflow-wrap: anywhere; }

.edit-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.edit-actions form { margin: 0; }
button.danger { color: var(--danger); border-color: var(--danger-soft); }
button.danger:hover { background: var(--danger-soft); }

/* Photos that look like the one being edited: tick the ones that are the same person. */
.similar-grid { margin: 8px 0; }
.similar-tile { cursor: pointer; display: block; }
.similar-pick { display: flex; align-items: center; gap: 6px; }
.similar-pick input { width: auto; margin: 0; }
a.bold { font-weight: 700; }

/* Several faces in the search photo: a tappable frame over each, the chosen one is the solid green box. */
.face-pick {
  position: absolute;
  padding: 0;
  min-height: 0;
  border: 2px dashed #fff;
  border-radius: 6px;
  background: transparent;
  box-shadow: 0 0 0 1px rgb(0 0 0 / 50%);
  cursor: pointer;
  line-height: 1;
}
.face-pick.current { border-color: transparent; box-shadow: none; }
.face-pick:hover, .face-pick:focus-visible { background: rgb(255 255 255 / 18%); }
.face-number {
  position: absolute;
  top: -1px;
  inset-inline-start: -1px;
  min-width: 22px;
  padding: 1px 6px;
  border-radius: 6px 0 6px 0;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 13px;
  font-weight: 700;
}

/* Level management page. */
.level-row { padding: 14px 0; border-top: 1px solid var(--border); }
.level-row:first-of-type { border-top: 0; }
.level-preview { display: inline-block; margin-bottom: 8px; font-size: 13px; padding: 2px 12px; }
.level-row .edit-actions select { width: auto; }