:root {
  color-scheme: dark;
  --bg: #0a0b0e;
  --panel: #121419;
  --line: #292d35;
  --text: #f4f5f7;
  --muted: #949aa6;
  --hot: #ff6b35;
  --cyan: #63e6d0;
  --radius: 16px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(circle at 15% -10%, #26201c 0, transparent 32%), var(--bg);
  color: var(--text);
}

header {
  height: 58px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(18px, calc((100vw - 1500px) / 2));
  background: #0a0b0ee8;
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand { display: flex; gap: 10px; align-items: center; }
.brand h1 { font-size: 15px; margin: 0; letter-spacing: .03em; }
.brand p { margin: 1px 0 0; color: var(--muted); font-size: 10px; }
.mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--hot);
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #190d08;
  font-size: 13px;
}
.status { font-size: 11px; color: var(--muted); }
.status.ok { color: var(--cyan); }

main { max-width: 1500px; margin: auto; padding: 8px 18px 24px; }
.panel {
  background: linear-gradient(145deg, #15171c, #101216);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px #0004;
}

.upload-panel {
  min-height: 96px;
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr minmax(340px, .75fr);
  gap: 18px;
  align-items: center;
}
.eyebrow { font-size: 9px; letter-spacing: .16em; color: var(--hot); font-weight: 800; }
.intro-copy h2 { font-size: clamp(16px, 1.6vw, 22px); line-height: 1.05; margin: 3px 0; }
.intro-copy p { color: var(--muted); font-size: 10px; margin: 0; }
.dropzone {
  min-height: 66px;
  border: 1px dashed #555b67;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7px 14px;
  cursor: pointer;
  transition: .2s;
  background: #0b0d11;
}
.dropzone:hover, .dropzone.over { border-color: var(--hot); background: #1b1411; }
.dropzone strong { font-size: 13px; }
.dropzone span { color: var(--muted); font-size: 10px; margin-top: 3px; }

.workspace { display: grid; grid-template-columns: 320px 1fr; gap: 12px; margin-top: 8px; }
.settings { padding: 8px 10px; align-self: start; position: sticky; top: 66px; }
.section-title { display: flex; align-items: center; gap: 7px; margin: 0 0 2px; }
.section-title:not(:first-child) {
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}
.section-title span {
  font-size: 8px;
  background: #242832;
  color: var(--cyan);
  padding: 3px 5px;
  border-radius: 5px;
}
.section-title h3 { margin: 0; font-size: 11px; }

label {
  display: flex;
  flex-direction: column;
  gap: 3px;
  color: #b8bec8;
  font-size: 10px;
  margin: 5px 0;
}
.settings label { gap: 2px; font-size: 9px; margin: 2px 0; }
input, select, button, .button { font: inherit; }
input, select {
  width: 100%;
  background: #090b0e;
  border: 1px solid #30343d;
  color: var(--text);
  border-radius: 7px;
  padding: 6px 8px;
  min-height: 30px;
  outline: none;
}
.settings input, .settings select {
  min-height: 24px;
  padding: 3px 6px;
}
input[type="color"] { padding: 2px; }
input[type="range"] { min-height: 18px; padding: 0; }
input:focus, select:focus { border-color: #747c8c; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.check { flex-direction: row; align-items: center; gap: 7px; }
.check input { width: auto; min-height: auto; }
.compact-check {
  align-self: end;
  min-height: 24px;
  margin: 2px 0;
  padding: 3px 6px;
  border: 1px solid #30343d;
  background: #090b0e;
  border-radius: 7px;
}
.settings output { float: right; color: var(--cyan); }
.trim-control {
  margin: 4px 0 6px;
}
.trim-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: #b8bec8;
  font-size: 9px;
}
.trim-head output {
  float: none;
  white-space: nowrap;
}
.trim-slider {
  position: relative;
  height: 28px;
  margin: 2px 0 3px;
  border-radius: 999px;
  background:
    linear-gradient(
      to right,
      #252a33 0 var(--trim-start),
      var(--hot) var(--trim-start) var(--trim-end),
      #252a33 var(--trim-end) 100%
    );
}
.trim-slider input[type="range"] {
  position: absolute;
  inset: 0;
  width: 100%;
  min-height: 28px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  pointer-events: none;
  appearance: none;
  -webkit-appearance: none;
}
.trim-slider input[type="range"]::-webkit-slider-runnable-track {
  height: 28px;
  background: transparent;
}
.trim-slider input[type="range"]::-moz-range-track {
  height: 28px;
  background: transparent;
}
.trim-slider input[type="range"]::-webkit-slider-thumb {
  width: 16px;
  height: 16px;
  margin-top: 6px;
  border: 2px solid #0a0b0e;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 1px #ffffff44;
  cursor: ew-resize;
  pointer-events: auto;
  -webkit-appearance: none;
}
.trim-slider input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 2px solid #0a0b0e;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 1px #ffffff44;
  cursor: ew-resize;
  pointer-events: auto;
}
.mode-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin: 4px 0 6px;
}
.mode-tab {
  min-height: 28px;
  padding: 6px 4px;
  background: #252a33;
  color: var(--text);
  font-size: 9px;
}
.mode-tab.active {
  background: var(--hot);
  color: #180c07;
}

button, .button {
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  background: var(--hot);
  color: #180c07;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
button:disabled { opacity: .4; cursor: not-allowed; }
.secondary { background: #252a33; color: var(--text); }
.settings .secondary { width: 100%; margin-top: 4px; padding: 7px 10px; }

.results { min-width: 0; min-height: 620px; padding: 18px; display: flex; flex-direction: column; }
.results-head { display: flex; justify-content: space-between; gap: 18px; }
.results h3 { font-size: 18px; margin: 4px 0; }
.swatches { display: flex; gap: 6px; align-items: center; }
.swatch {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  border: 2px solid #fff3;
  box-shadow: 0 0 0 1px #000;
}
.empty {
  min-height: 420px;
  display: grid;
  place-items: center;
  text-align: center;
  color: #686e79;
  border: 1px dashed #292e37;
  border-radius: 13px;
  margin-top: 14px;
  padding: 22px;
}

.focus-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 13px;
}
.preview-card {
  min-width: 0;
  overflow: hidden;
  background: #0b0d10;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.preview-label {
  height: 36px;
  padding: 0 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
}
.preview-label span { color: var(--cyan); font-size: 9px; font-weight: 800; }
.focus-canvas { height: min(43vh, 410px); min-height: 280px; }
.focus-canvas p { color: #747b87; max-width: 280px; padding: 18px; text-align: center; font-size: 11px; }
.preview-summary {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 10px;
  min-height: 16px;
}

.checker {
  background-color: #eee;
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%),
    linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%),
    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  display: grid;
  place-items: center;
}
.checker img { width: 100%; height: 100%; object-fit: contain; }
.checker video { width: 100%; height: 100%; object-fit: contain; background: transparent; }
.all-toggle { align-self: flex-start; margin-top: 10px; padding: 8px 12px; font-size: 10px; }
.items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 11px;
  margin-top: 11px;
}
.item {
  background: #0b0d10;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}
.item .checker { aspect-ratio: 1; }
.item-meta { padding: 10px; }
.item-meta label { margin: 0 0 7px; }
.item-meta small { color: #6f7682; font-size: 9px; }
.badges { position: absolute; top: 7px; right: 7px; display: flex; gap: 5px; }
.badge {
  font-size: 8px;
  background: #090b0ed9;
  border: 1px solid #454a55;
  padding: 4px 6px;
  border-radius: 6px;
}
.badge.warn { color: #ffbf69; }

.runbar {
  margin-top: auto;
  padding-top: 14px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
}
.runbar strong { font-size: 11px; }
.progress { height: 5px; background: #292d35; border-radius: 4px; overflow: hidden; margin-top: 6px; }
.progress i { display: block; height: 100%; width: 0; background: var(--cyan); transition: .3s; }
.hidden { display: none !important; }

#toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 430px;
  white-space: pre-line;
  background: #2b1410;
  border: 1px solid #7d321f;
  padding: 12px 15px;
  border-radius: 9px;
  transform: translateY(150px);
  transition: .25s;
  z-index: 10;
}
#toast.show { transform: none; }

@media (max-width: 900px) {
  .upload-panel, .workspace { grid-template-columns: 1fr; }
  .settings { position: static; }
  .upload-panel {
    min-height: 178px;
    padding: 14px;
    gap: 12px;
  }
  .dropzone { min-height: 78px; }
  .runbar { grid-template-columns: 1fr; }
  .results { padding: 15px; }
}

@media (max-width: 560px) {
  main { padding: 10px; }
  .focus-preview { grid-template-columns: 1fr; }
  .preview-summary { grid-column: 1; }
  .focus-canvas { height: 320px; min-height: 240px; }
  .items { grid-template-columns: 1fr 1fr; }
  .pair { grid-template-columns: 1fr; }
  .item-meta { padding: 8px; }
}