:root {
  --bg: #f4f7f8;
  --surface: #ffffff;
  --surface-2: #eef3f4;
  --text: #13252b;
  --muted: #5b6f75;
  --border: #dbe4e6;
  --brand: #0f766e;
  --brand-strong: #0b5e57;
  --brand-soft: #d9f0ed;
  --danger: #b42318;
  --danger-soft: #fde8e6;
  --warn-soft: #fff4dc;
  --shadow: 0 1px 2px rgba(16, 40, 46, 0.06), 0 4px 16px rgba(16, 40, 46, 0.06);
  --radius: 12px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1517;
    --surface: #142024;
    --surface-2: #1b2a2f;
    --text: #e3eef0;
    --muted: #93a8ad;
    --border: #26383d;
    --brand: #2bb3a5;
    --brand-strong: #49c9bb;
    --brand-soft: #123a37;
    --danger: #f97066;
    --danger-soft: #3a1714;
    --warn-soft: #3a2f14;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--brand); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
[hidden] { display: none !important; }

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  text-decoration: none;
}
.logo-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-size: 18px;
}
.nav { display: flex; gap: 4px; margin-left: 16px; flex: 1; }
.nav a {
  padding: 6px 12px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
}
.nav a.active, .nav a:hover { background: var(--surface-2); color: var(--text); }
.who { display: flex; align-items: center; gap: 12px; }

main { max-width: 1100px; margin: 0 auto; padding: 28px 24px 64px; }

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.page-head h1 { margin: 0; font-size: 26px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ---------- controls ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-strong); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: 0.6; cursor: progress; }

label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; }
input, select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}
input:focus, select:focus, textarea:focus, .btn:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
}
textarea { resize: vertical; min-height: 70px; }
.field { margin-bottom: 14px; }
.row { display: flex; gap: 12px; }
.row > * { flex: 1; }
.form-error {
  background: var(--danger-soft);
  color: var(--danger);
  padding: 8px 12px;
  border-radius: 8px;
  margin-bottom: 12px;
  font-size: 14px;
}

/* ---------- landing ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
  padding-top: 24px;
}
.hero h1 { font-size: 40px; letter-spacing: -0.02em; }
.hero .lead { font-size: 18px; color: var(--muted); margin-bottom: 24px; }
.problem {
  background: var(--warn-soft);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 24px;
}
.problem strong { display: block; margin-bottom: 4px; }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.feature { display: flex; gap: 10px; }
.feature .ico {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--brand-soft);
  font-size: 17px;
}
.feature b { display: block; }
.feature span { color: var(--muted); font-size: 14px; }

.tabs { display: flex; background: var(--surface-2); border-radius: 9px; padding: 3px; margin-bottom: 16px; }
.tabs button {
  flex: 1;
  padding: 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.tabs button.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }

/* ---------- records ---------- */

.toolbar { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.toolbar input { flex: 2; min-width: 200px; }
.toolbar select { flex: 1; min-width: 160px; width: auto; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.stat { padding: 14px 16px; }
.stat b { display: block; font-size: 24px; }
.stat span { color: var(--muted); font-size: 13px; }

.year { margin: 26px 0 10px; font-size: 14px; color: var(--muted); letter-spacing: 0.04em; }
.records { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.record {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: border-color 0.15s, transform 0.15s;
}
.record:hover { border-color: var(--brand); transform: translateY(-1px); }
.record h3 { font-size: 16px; margin: 0; }
.record .meta { font-size: 13px; color: var(--muted); }
.chip {
  align-self: flex-start;
  display: inline-block;
  padding: 2px 9px;
  border-radius: 99px;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-size: 12px;
  font-weight: 600;
}
.chip.gray { background: var(--surface-2); color: var(--muted); }
.chip.red { background: var(--danger-soft); color: var(--danger); }

.empty { text-align: center; padding: 48px 20px; }
.empty .big { font-size: 40px; }

/* ---------- dialogs ---------- */

dialog {
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
dialog.wide { width: min(980px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(10, 20, 24, 0.55); }
.dlg-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.dlg-head h2 { margin: 0; font-size: 18px; }
.dlg-body { padding: 20px; }
.dlg-foot {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}
.x { border: 0; background: none; font-size: 22px; color: var(--muted); cursor: pointer; line-height: 1; }

.dropzone {
  display: block;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
  cursor: pointer;
  margin-bottom: 16px;
  font-weight: 500;
}
.dropzone.over, .dropzone:hover { border-color: var(--brand); background: var(--brand-soft); }
.dropzone input { display: none; }

.viewer { display: grid; grid-template-columns: 1fr 280px; min-height: 70vh; }
.viewer-main { display: flex; flex-direction: column; min-width: 0; background: var(--surface-2); }
.pager { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 8px; border-bottom: 1px solid var(--border); font-weight: 600; }
.viewer-frame { flex: 1; display: grid; place-items: center; }
.viewer-frame iframe { width: 100%; height: 68vh; border: 0; }
.viewer-frame img { max-width: 100%; max-height: 68vh; object-fit: contain; }

.capture-row { display: flex; gap: 10px; align-items: stretch; margin-bottom: 12px; }
.capture-row .dropzone { flex: 1; margin: 0; }
.camera-btn { flex: none; flex-direction: column; justify-content: center; }
#capture.busy .capture-row { opacity: 0.6; pointer-events: none; }
.pending-list { list-style: none; margin: 0 0 16px; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; }
.pending-list:empty { display: none; }
.pending-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}
.pending-list .num { font-weight: 700; color: var(--brand-strong); min-width: 52px; }
.pending-list .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pending-list li.failed { border-color: var(--danger); background: var(--danger-soft); }
.viewer-side { padding: 20px; border-left: 1px solid var(--border); display: flex; flex-direction: column; gap: 12px; }
.viewer-side dt { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.viewer-side dd { margin: 0 0 10px; white-space: pre-wrap; }
.viewer-side .actions { margin-top: auto; display: grid; gap: 8px; }

.pick-list { max-height: 240px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; }
.pick { display: flex; gap: 10px; align-items: center; padding: 8px 12px; border-bottom: 1px solid var(--border); font-weight: 400; margin: 0; cursor: pointer; }
.pick:last-child { border-bottom: 0; }
.pick input { width: auto; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.check input { width: auto; }

.link-box { display: flex; gap: 8px; }
.link-box input { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.qr { display: grid; place-items: center; padding: 16px; background: #fff; border-radius: 10px; margin: 16px auto 0; width: fit-content; }

/* ---------- tables ---------- */

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; }

/* ---------- emergency card ---------- */

.ecard { border-left: 4px solid var(--danger); }
.ecard dl { display: grid; grid-template-columns: 180px 1fr; gap: 8px 16px; margin: 0; }
.ecard dt { color: var(--muted); font-weight: 600; }
.ecard dd { margin: 0; white-space: pre-wrap; }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 500;
  z-index: 100;
  box-shadow: var(--shadow);
}

@media (max-width: 820px) {
  .hero, .grid-2, .features { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .viewer { grid-template-columns: 1fr; }
  .viewer-side { border-left: 0; border-top: 1px solid var(--border); }
  .topbar { padding: 10px 16px; flex-wrap: wrap; }
  .nav { order: 3; margin-left: 0; flex-basis: 100%; overflow-x: auto; }
  main { padding: 20px 16px 48px; }
  .ecard dl { grid-template-columns: 1fr; gap: 2px; }
  .ecard dd { margin-bottom: 8px; }
  .row { flex-direction: column; gap: 0; }
  .capture-row { flex-direction: column; }
}