:root {
  --bg: #faf9f5;
  --surface: #ffffff;
  --surface-2: #f2efe6;
  --text: #1f1e19;
  --text-dim: #6a675c;
  --text-faint: #94907f;
  --line: rgba(31, 30, 25, 0.12);
  --line-strong: rgba(31, 30, 25, 0.24);
  --accent: #8a6a1f;
  --accent-bg: #f6ecd2;
  --danger: #a32d2d;
  --danger-bg: #fceaea;
  --radius: 10px;
  --radius-lg: 14px;
  --pad: 16px;
  --shadow: 0 1px 2px rgba(31, 30, 25, 0.06), 0 8px 24px rgba(31, 30, 25, 0.05);

  --c-purple: #7f77dd;
  --c-coral: #d85a30;
  --c-teal: #1d9e75;
  --c-pink: #d4537e;
  --c-blue: #378add;
  --c-amber: #ba7517;
  --c-gray: #888780;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16150f;
    --surface: #201f18;
    --surface-2: #2a2921;
    --text: #f2efe6;
    --text-dim: #a5a191;
    --text-faint: #78756a;
    --line: rgba(242, 239, 230, 0.13);
    --line-strong: rgba(242, 239, 230, 0.26);
    --accent: #d8b26a;
    --accent-bg: #3a3016;
    --danger: #e88a8a;
    --danger-bg: #3a1e1e;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.24);
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1 { font-size: 26px; font-weight: 600; letter-spacing: -0.015em; margin: 0 0 4px; }
h2 { font-size: 17px; font-weight: 600; margin: 28px 0 10px; }

a { color: inherit; }

/* ---------- chrome ---------- */

#chrome {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px max(16px, env(safe-area-inset-left)) 12px max(16px, env(safe-area-inset-right));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

#chrome nav { display: flex; align-items: center; gap: 6px; }

#chrome nav a, .link {
  font: inherit;
  font-size: 14px;
  color: var(--text-dim);
  background: none;
  border: 0;
  padding: 8px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
}

#chrome nav a:hover, .link:hover { background: var(--surface-2); color: var(--text); }

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px max(16px, env(safe-area-inset-left)) 96px max(16px, env(safe-area-inset-right));
}

/* ---------- summary ---------- */

.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.metric {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.metric span {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 2px;
}

.metric strong {
  display: block;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* ---------- category tiles ---------- */

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 10px;
  margin-bottom: 22px;
}

.tile {
  font: inherit;
  text-align: left;
  cursor: pointer;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.15s, transform 0.1s;
}

.tile:hover { border-color: var(--line-strong); }
.tile:active { transform: scale(0.99); }

.tile-active {
  border-color: var(--accent);
  background: var(--accent-bg);
}

.tile-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.tile-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  min-width: 0;
}

.swatch {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  flex: 0 0 auto;
}

.tile-count { font-size: 12px; color: var(--text-faint); font-variant-numeric: tabular-nums; }

.tile-total {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.tile-bar {
  height: 5px;
  border-radius: 3px;
  background: var(--surface-2);
  overflow: hidden;
}

.tile-active .tile-bar { background: rgba(0, 0, 0, 0.08); }

.tile-bar-fill { display: block; height: 100%; border-radius: 3px; }

.tile-foot {
  font-size: 12px;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

input, select, textarea, button {
  font: inherit;
  color: var(--text);
}

input[type="search"], input[type="text"], input[type="password"], input[type="number"],
input[type="date"], select, textarea {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  min-height: 44px;
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
}

textarea { min-height: 96px; resize: vertical; }

input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible,
.tile:focus-visible, a:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.controls #q { flex: 1 1 240px; }
.controls select { width: auto; flex: 0 0 auto; }

button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  cursor: pointer;
  text-decoration: none;
  font-size: 15px;
  transition: background 0.15s, transform 0.1s;
}

button:hover, .button:hover { background: var(--surface-2); }
button:active, .button:active { transform: scale(0.98); }
button:disabled { opacity: 0.55; cursor: default; }

button[type="submit"], .button-primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

button[type="submit"]:hover, .button-primary:hover {
  background: color-mix(in srgb, var(--text) 86%, var(--bg));
}

.button-danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.button-danger:hover { background: var(--danger-bg); }

.link-danger {
  background: none;
  border: 0;
  min-height: 0;
  padding: 2px 6px;
  font-size: 13px;
  color: var(--danger);
  cursor: pointer;
}

/* ---------- item grid ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(172px, 1fr));
  gap: 12px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  transition: border-color 0.15s, transform 0.1s, box-shadow 0.15s;
}

.card:hover { border-color: var(--line-strong); box-shadow: var(--shadow); }
.card:active { transform: scale(0.99); }

.card-photo {
  display: block;
  aspect-ratio: 4 / 3;
  background: var(--surface-2);
  overflow: hidden;
}

.card-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

.card-body { padding: 11px 12px 12px; display: flex; flex-direction: column; gap: 3px; }

.card-name {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-meta {
  font-size: 12px;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-height: 17px;
}

.card-foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-top: 5px;
}

.card-value { font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; }
.card-docs { font-size: 11px; color: var(--text-faint); }
.card-nodocs { font-size: 11px; color: var(--danger); }

.card-add {
  align-items: center;
  justify-content: center;
  min-height: 150px;
  border-style: dashed;
  color: var(--text-dim);
  font-size: 14px;
}

/* ---------- detail ---------- */

.back {
  display: inline-block;
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  margin-bottom: 14px;
}

.back:hover { color: var(--text); }

.detail { max-width: 720px; }
.detail-category { color: var(--text-dim); font-size: 14px; margin: 0 0 18px; }

.detail-value {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 18px 0;
}

.detail-value strong {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.detail-value span { font-size: 14px; color: var(--text-dim); }

.warn {
  background: var(--accent-bg);
  color: var(--accent);
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
}

.detail-fields {
  display: grid;
  grid-template-columns: minmax(120px, 160px) 1fr;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.detail-fields dt {
  padding: 10px 12px 10px 0;
  color: var(--text-dim);
  font-size: 14px;
  border-bottom: 1px solid var(--line);
}

.detail-fields dd {
  margin: 0;
  padding: 10px 0;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
}

.detail-notes p { white-space: pre-wrap; font-size: 15px; }

.detail-docs ul { list-style: none; padding: 0; margin: 0; }

.detail-docs li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.detail-actions { display: flex; gap: 10px; margin-top: 30px; }

/* ---------- carousel ---------- */

.carousel { position: relative; }

.carousel-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  scrollbar-width: none;
}

.carousel-track::-webkit-scrollbar { display: none; }

.carousel-slide {
  flex: 0 0 100%;
  scroll-snap-align: center;
  margin: 0;
  aspect-ratio: 4 / 3;
}

.carousel-slide img { width: 100%; height: 100%; object-fit: contain; cursor: zoom-in; display: block; }

.carousel-empty {
  aspect-ratio: 4 / 3;
  background: var(--surface-2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-size: 14px;
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  min-height: 40px;
  padding: 0;
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(6px);
}

.carousel-prev { left: 8px; }
.carousel-next { right: 8px; }

.carousel-dots { display: flex; justify-content: center; gap: 6px; margin-top: 10px; }

.carousel-dot {
  width: 7px;
  height: 7px;
  min-height: 0;
  padding: 0;
  border-radius: 50%;
  border: 0;
  background: var(--line-strong);
}

.carousel-dot-on { background: var(--text); }

.carousel-cover { margin-top: 10px; width: 100%; font-size: 14px; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  touch-action: pinch-zoom;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  right: 12px;
  width: 44px;
  border-radius: 50%;
  font-size: 24px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 0;
}

/* ---------- forms ---------- */

.form { max-width: 560px; }
.form label { display: block; font-size: 14px; color: var(--text-dim); margin: 16px 0 6px; }
.form label.check { display: flex; align-items: center; gap: 9px; color: var(--text); }
.form label.check input { width: auto; min-height: 0; }
.form button[type="submit"] { width: 100%; margin-top: 26px; }

.field-error { color: var(--danger); font-size: 13px; margin: 5px 0 0; min-height: 0; }
.field-error:empty { display: none; }

.media {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 14px;
  margin: 22px 0 0;
}

.media legend { font-size: 14px; color: var(--text-dim); padding: 0 6px; }
.media input[type="file"] { width: 100%; font-size: 14px; }

.hint { font-size: 13px; color: var(--text-dim); margin: 8px 0 0; }
.empty { color: var(--text-dim); font-size: 14px; }
.error { color: var(--danger); }

/* ---------- auth ---------- */

.auth {
  max-width: 380px;
  margin: 8vh auto 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}

.auth label { display: block; font-size: 14px; color: var(--text-dim); margin: 16px 0 6px; }
.auth label.check { display: flex; align-items: center; gap: 9px; color: var(--text); }
.auth label.check input { width: auto; min-height: 0; }
.auth button { width: 100%; margin-top: 22px; }
.auth code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

.qr {
  background: #fff;
  padding: 12px;
  border-radius: var(--radius);
  margin: 18px 0;
  display: flex;
  justify-content: center;
}

.qr svg { width: 100%; max-width: 220px; height: auto; }

.codes {
  list-style: none;
  padding: 14px;
  margin: 16px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: var(--surface-2);
  border-radius: var(--radius);
}

.codes code { font-size: 15px; letter-spacing: 0.04em; }

/* ---------- export ---------- */

.export { max-width: 560px; }
.export-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* ---------- toasts ---------- */

#toasts {
  position: fixed;
  left: 50%;
  bottom: max(20px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: min(420px, calc(100vw - 32px));
}

.toast {
  background: var(--text);
  color: var(--bg);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  box-shadow: var(--shadow);
  transition: opacity 0.4s, transform 0.4s;
}

.toast-error { background: var(--danger); color: #fff; }
.toast-out { opacity: 0; transform: translateY(8px); }

@media (max-width: 640px) {
  main { padding-top: 18px; }
  h1 { font-size: 22px; }

  .tiles {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    margin-inline: -16px;
    padding-inline: 16px;
    scrollbar-width: none;
  }

  .tiles::-webkit-scrollbar { display: none; }
  .tile { flex: 0 0 205px; scroll-snap-align: start; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .detail-fields { grid-template-columns: 110px 1fr; }
  .auth { margin-top: 4vh; padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}