/* Dune Unique Schematics. Warm light theme, dark via prefers-color-scheme. No framework. */

:root {
  --bg: #F1E9DA;
  --surface: #FAF5EA;
  --ink: #2B2118;
  --muted: #7A6A58;
  --line: #D9CDB7;
  --accent: #B5541C;
  --accent-ink: #FFF8EE;
  --radius: 10px;
  --gutter: 16px;
  --font-head: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Public Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1E1812;
    --surface: #2A2218;
    --ink: #EFE4D0;
    --muted: #A8957C;
    --line: #3C3226;
    --accent: #E07A3A;
    --accent-ink: #1E1812;   /* dark ink on the lighter accent: ~5.9:1 */
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

html { background: var(--bg); -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

/* Subtle paper grain. Decorative only. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

button { font-family: inherit; }

/* ---------- hero ---------- */
.hero { padding: 20px var(--gutter) 8px; }
.hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* ---------- sticky bar ---------- */
.bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 8px var(--gutter) 4px;
}

.bar-row { position: relative; display: flex; gap: 8px; align-items: center; }

.search { flex: 1 1 auto; min-width: 0; display: block; }
.search input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font: 400 16px var(--font-body);   /* 16px stops iOS zoom on focus */
  padding: 0 12px;
  appearance: none;
  -webkit-appearance: none;
}
.search input::placeholder { color: var(--muted); }

.icon-btn {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.menu {
  position: absolute;
  right: 0;
  top: 50px;
  z-index: 30;
  min-width: 240px;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 4px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.menu-item {
  min-height: 44px;
  padding: 0 12px;
  text-align: left;
  border: 0;
  border-radius: 8px;
  background: none;
  color: var(--ink);
  font: 500 15px var(--font-body);
  cursor: pointer;
}
.menu-item:hover { background: var(--bg); }

.menu-sep { height: 1px; margin: 4px 8px; background: var(--line); }
.menu-sync { display: flex; flex-direction: column; }
.menu-h {
  margin: 4px 12px 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.menu-status { margin: 0; padding: 2px 12px 4px; font-size: 14px; color: var(--ink); font-variant-numeric: tabular-nums; }
.menu-note { margin: 2px 12px 6px; font-size: 13px; color: var(--muted); }

.filters-btn {
  flex: 0 0 auto;
  min-width: 44px;
  height: 44px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font: 600 15px var(--font-body);
  cursor: pointer;
}
.filters-btn[aria-expanded="true"] { border-color: var(--accent); }

.filters-count {
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 12px;
  font-weight: 600;
  line-height: 20px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* Collapsible filter panel inside the sticky bar. Chip rows scroll horizontally on their own. */
.filters-panel {
  max-height: 55vh;
  overflow-y: auto;
  padding-bottom: 4px;
}

.gprog { margin-top: 6px; }
.gprog-text { margin: 0 0 4px; font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }

.track {
  display: block;
  height: 6px;
  background: var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: 3px;
  transition: width 150ms ease;
}

.chips {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 4px 0;
  scrollbar-width: none;
}
.chips::-webkit-scrollbar { display: none; }

.chip {
  flex: 0 0 auto;
  min-height: 44px;
  min-width: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  color: var(--ink);
  font: 500 14px var(--font-body);
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}
.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.sep {
  flex: 0 0 1px;
  align-self: stretch;
  margin: 8px 4px;
  background: var(--line);
}

/* ---------- main ---------- */
main { padding: 0 var(--gutter) 24px; }

.status { margin: 16px 0; color: var(--muted); }
.empty { margin: 24px 0; color: var(--muted); }
.empty p { margin: 0 0 12px; }

.btn {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--ink);
  font: 600 15px var(--font-body);
  cursor: pointer;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ---------- tier sections ---------- */
.tier {
  margin: 12px 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.tier-h { margin: 0; font-size: inherit; font-weight: inherit; }

.tier-toggle {
  width: 100%;
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 0;
  background: none;
  color: var(--ink);
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.glyph {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}
.tier.is-done .glyph { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.tier-text { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.tname { font-family: var(--font-head); font-size: 18px; font-weight: 600; }
.tprog { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.tier-text .track { margin-top: 2px; }

.chev {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-right: 4px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 150ms ease;
}
.tier-toggle[aria-expanded="true"] .chev { transform: rotate(-135deg) translate(-2px, -2px); }

.tier-body { border-top: 1px solid var(--line); padding-bottom: 4px; }

.cat-h {
  margin: 0;
  padding: 14px 14px 4px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.cat-n { margin-left: 4px; font-weight: 500; font-variant-numeric: tabular-nums; }

.rows { list-style: none; margin: 0; padding: 0; }

/* ---------- item row ---------- */
.row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 10px;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
}

.icon {
  display: block;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  object-fit: contain;
}
.icon.miss { visibility: hidden; }

.name {
  min-width: 0;
  min-height: 48px;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  border: 0;
  background: none;
  color: var(--ink);
  text-align: left;
  font: inherit;
  cursor: pointer;
}
.nm { font-size: 16px; font-weight: 600; overflow-wrap: anywhere; }
.meta { font-size: 13px; color: var(--muted); }
.flag {
  margin-left: 8px;
  padding: 0 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  white-space: nowrap;
}

.checks {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.check {
  min-width: 0;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink);
  cursor: pointer;
}
.check input {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.detail {
  grid-column: 1 / -1;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
}
.detail h4 {
  margin: 8px 0 4px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.dl { list-style: none; margin: 0; padding: 0; }
.dl li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}
.dl li:last-child { border-bottom: 0; }
.dl .loc { min-width: 0; overflow-wrap: anywhere; }
.dl .sub { display: block; font-size: 12px; color: var(--muted); }
.pct { flex: 0 0 auto; font-weight: 600; font-variant-numeric: tabular-nums; }
.none, .note { margin: 4px 0; color: var(--muted); }

/* ---------- footer ---------- */
.foot { padding: 8px var(--gutter) 40px; color: var(--muted); font-size: 13px; }
.foot p { margin: 0 0 6px; }

/* ---------- export / import dialog ---------- */
dialog {
  width: min(calc(100vw - 32px), 480px);
  max-width: calc(100vw - 32px);
  margin: auto;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}
dialog::backdrop { background: rgba(20, 14, 8, 0.45); }

.xfer-h { margin: 0 0 6px; font-family: var(--font-head); font-size: 20px; font-weight: 600; }
.xfer-help { margin: 0 0 10px; font-size: 14px; color: var(--muted); }
.xfer-text {
  width: 100%;
  min-height: 160px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font: 13px/1.4 ui-monospace, Consolas, monospace;
  resize: vertical;
}
.xfer-status { min-height: 1.4em; margin: 8px 0; font-size: 14px; color: var(--muted); }
.xfer-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }

@media (prefers-reduced-motion: reduce) {
  .fill, .chev, .chip { transition: none; }
}