:root {
  color-scheme: dark;
  --bg: #12141a;
  --surface: #1b1e27;
  --line: #3a4254;
  --text: #e8eaed;
  --muted: #b8c0cc;
  --focus: #8ab4ff;
  --ok: #7dcea0;
  --warn: #e8c36a;
  --danger: #f0a8a8;
  --radius: 4px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --shop-wood: #3b2a18;
  --shop-wood-2: #2a1d10;
  --shop-gold: #d4b57a;
  --shop-gold-2: #8a6a32;
  --shop-text: #ff981f;
  --shop-title: #ffe07a;
  --slot: #1a140c;
  --slot-in: #0e0b07;
  --header-h: 56px;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.45;
}

h1 { font-size: 20px; margin: 0; font-weight: 650; }
h2 { font-size: 18px; margin: 0 0 8px; }
h3 { font-size: 13px; margin: 0 0 8px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }

button, input, select {
  font: inherit;
  color: inherit;
}

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

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

.skip-link {
  position: fixed;
  left: 12px;
  top: -64px;
  background: var(--surface);
  padding: 8px 12px;
  border: 1px solid var(--line);
  z-index: 20;
}
.skip-link:focus { top: 8px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.top {
  position: sticky;
  top: 0;
  z-index: 8;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; flex-direction: column; gap: 2px; }
.live-dot { margin: 0; color: var(--muted); font-size: 13px; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.toolbar button,
.file-btn,
.panel button {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 12px;
  min-height: 40px;
  cursor: pointer;
}

.toolbar button:hover,
.file-btn:hover,
.panel button:hover { border-color: var(--focus); }

.file-btn { display: inline-flex; align-items: center; cursor: pointer; }
.file-btn input { display: none; }

.menu { position: relative; }
.menu ul {
  position: absolute;
  right: 0;
  margin: 4px 0 0;
  padding: 4px;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  min-width: 200px;
  z-index: 12;
}
.menu ul button {
  width: 100%;
  text-align: left;
}

.banner {
  margin: 0;
  padding: 8px 16px;
  background: #3a2e12;
  color: var(--warn);
}

.layout {
  display: grid;
  grid-template-columns: minmax(200px, 240px) minmax(520px, 1fr) minmax(240px, 300px);
  gap: 16px;
  padding: 16px;
  align-items: start;
}

.rail, .inspect {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  min-height: 70vh;
}

#shop-search,
#item-search,
.panel input,
.panel select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 10px;
  min-height: 40px;
}

.shop-list { margin-top: 10px; display: flex; flex-direction: column; gap: 2px; }
.shop-list h3 { margin: 12px 0 4px; }
.shop-list button {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  padding: 8px 8px;
  cursor: pointer;
}
.shop-list button:hover,
.shop-list button.is-on { background: #2a3142; }
.shop-list .count { color: var(--muted); font-size: 12px; font-family: var(--mono); }

.stage { min-width: 0; }

.osrs-shop {
  display: flex;
  justify-content: center;
  padding: 12px 0 20px;
}

.osrs-frame {
  width: max-content;
  max-width: 100%;
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(255, 220, 140, 0.08), transparent 28%),
    repeating-linear-gradient(90deg, #3d2b17 0 3px, #352414 3px 6px);
  border: 3px solid var(--shop-gold-2);
  box-shadow:
    inset 1px 1px 0 #e6c98a,
    inset -1px -1px 0 #2a1b0c,
    0 12px 40px rgba(0, 0, 0, 0.45);
  padding: 8px 10px 12px;
  image-rendering: pixelated;
}

.osrs-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(#4a4033, #2f2920);
  border: 2px solid #1a140c;
  box-shadow: inset 1px 1px 0 #7a6d55;
  padding: 4px 8px;
  margin-bottom: 6px;
}

.osrs-title h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  color: var(--shop-title);
  font-weight: 700;
}

.osrs-x {
  color: #e8c36a;
  font-weight: 800;
  font-size: 14px;
}

.osrs-value {
  margin: 0 0 6px;
  color: var(--shop-text);
  font-size: 14px;
  min-height: 1.3em;
}

.osrs-qty {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-bottom: 8px;
}

.osrs-cols {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #f3e6c0;
  font-size: 12px;
}

.osrs-cols input {
  width: 52px;
  min-height: 28px;
  background: #1a140c;
  border: 2px solid #1a140c;
  color: #fff3b0;
  text-align: center;
  padding: 0 4px;
}

.osrs-qty button {
  min-width: 40px;
  min-height: 28px;
  background: linear-gradient(#5a4a32, #3a2d1c);
  border: 2px solid #1a140c;
  color: #f3e6c0;
  box-shadow: inset 1px 1px 0 #8a7350;
  cursor: pointer;
  padding: 0 8px;
}

.osrs-qty button.is-on {
  color: #fff3b0;
  box-shadow: inset 0 0 0 1px #e8c36a;
}

.osrs-grid-wrap {
  background: #22180e;
  border: 2px solid #0d0a06;
  box-shadow: inset 1px 1px 0 #5a4630;
  padding: 6px;
  max-height: 420px;
  overflow: auto;
}

.osrs-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(var(--shop-cols, 8), 44px);
  gap: 4px;
  justify-content: center;
}

.osrs-grid li {
  width: 44px;
  height: 40px;
  background: var(--slot);
  box-shadow: inset 1px 1px 0 #000, inset -1px -1px 0 #4a3a24;
  position: relative;
  cursor: grab;
}

.osrs-grid li.is-on {
  outline: 1px solid #ffe07a;
  outline-offset: -1px;
}

.osrs-grid li.is-over { outline: 1px dashed #8ab4ff; }
.osrs-grid li.is-empty { cursor: default; }

.slot-icon {
  width: 36px;
  height: 32px;
  image-rendering: pixelated;
  display: block;
  margin: 2px auto 0;
}

.slot-qty {
  position: absolute;
  left: 1px;
  top: 0;
  font: 700 11px/9px var(--mono);
  text-shadow: 1px 1px 0 #000001;
  pointer-events: none;
}

.monogram {
  display: grid;
  place-items: center;
  width: 36px;
  height: 32px;
  margin: 2px auto 0;
  font-size: 9px;
  color: #c4a574;
}

.add-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.add-row .hint,
.hint,
.ident,
footer {
  color: var(--muted);
  font-size: 13px;
}

.add-row .hint { grid-column: 1 / -1; margin: 0; }

.item-results {
  list-style: none;
  margin: 8px 0 0;
  padding: 4px;
  background: var(--surface);
  border: 1px solid var(--line);
  max-height: 280px;
  overflow: auto;
}

.item-results button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: none;
  border: 0;
  text-align: left;
  padding: 6px 8px;
  cursor: pointer;
}

.item-results button:hover { background: #2a3142; }
.item-results img { width: 36px; height: 32px; image-rendering: pixelated; }
.item-results .meta { color: var(--muted); font-family: var(--mono); font-size: 12px; }

.panel { margin-bottom: 18px; }
.panel label { display: block; margin: 0 0 8px; font-size: 13px; color: var(--muted); }
.panel .check { display: flex; align-items: center; gap: 8px; color: var(--text); }
.panel .check input { width: auto; min-height: 0; }
.ident { margin: 0 0 8px; color: var(--text); }
.row-actions { display: flex; gap: 8px; }
#btn-remove { color: var(--danger); }

footer { padding: 0 16px 24px; }
.missing { padding: 48px 16px; }

@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; }
  .rail, .inspect { min-height: 0; }
}