:root {
  color-scheme: dark;
  --bg: #080b14;
  --panel: rgba(18, 24, 42, .9);
  --panel-2: rgba(13, 18, 32, .92);
  --line: rgba(255,255,255,.09);
  --text: #f4f7ff;
  --muted: #96a0b8;
  --accent: #7c8cff;
  --accent2: #53d7ff;
  --danger: #ff5f7a;
  --ok: #57dda2;
  --shadow: 0 20px 70px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(83,215,255,.12), transparent 30rem),
    radial-gradient(circle at 85% 10%, rgba(124,140,255,.14), transparent 32rem),
    var(--bg);
}
button,input { font: inherit; }
code { color: #c9d2ff; }
.shell { width: min(1180px, calc(100% - 28px)); margin: 0 auto; padding: 42px 0 70px; }
.hero { display: flex; justify-content: space-between; gap: 20px; align-items: end; margin-bottom: 22px; }
h1 { font-size: clamp(2rem, 5vw, 4.1rem); line-height: .98; margin: 8px 0 10px; letter-spacing: -.045em; }
h2 { margin: 4px 0 0; font-size: 1.2rem; letter-spacing: -.02em; }
.subtitle,.muted { color: var(--muted); }
.subtitle { margin: 0; font-size: 1rem; }
.eyebrow,.kicker { margin: 0; letter-spacing: .12em; font-size: .72rem; font-weight: 800; color: var(--accent2); }
.card { background: linear-gradient(180deg, var(--panel), var(--panel-2)); border: 1px solid var(--line); border-radius: 22px; padding: 22px; box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.upload-card { padding: 14px; }
.drop-zone { min-height: 205px; border: 1.5px dashed rgba(124,140,255,.5); border-radius: 17px; display: grid; place-items: center; align-content: center; gap: 7px; cursor: pointer; transition: .2s ease; background: rgba(124,140,255,.035); text-align: center; padding: 24px; }
.drop-zone:hover,.drop-zone.drag { border-color: var(--accent2); background: rgba(83,215,255,.07); transform: translateY(-1px); }
.drop-zone input { display: none; }
.drop-zone span { color: var(--muted); font-size: .9rem; }
.drop-icon { font-size: 2rem; }
.file-meta { margin: 14px 4px 2px; display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); font-size: .9rem; }
.workspace { margin-top: 18px; display: grid; gap: 18px; }
.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 15px; }
.card-head.wrap { flex-wrap: wrap; }
.control-row { border-top: 1px solid var(--line); padding: 18px 0; display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.control-row:last-child { padding-bottom: 0; }
.control-row small { display: block; color: var(--muted); margin-top: 3px; }
.scale-control { display: grid; grid-template-columns: minmax(120px, 1fr) 60px auto; gap: 10px; align-items: center; width: min(420px, 62%); }
input[type="range"] { width: 100%; accent-color: var(--accent); }
output { font-variant-numeric: tabular-nums; color: #dbe1ff; text-align: right; }
.btn { border: 1px solid transparent; border-radius: 12px; padding: 10px 14px; color: #fff; background: rgba(124,140,255,.18); border-color: rgba(124,140,255,.22); cursor: pointer; font-weight: 750; transition: .18s ease; }
.btn:hover:not(:disabled) { transform: translateY(-1px); filter: brightness(1.08); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.small { padding: 8px 11px; border-radius: 10px; font-size: .86rem; }
.btn.ghost { background: rgba(255,255,255,.04); border-color: var(--line); }
.btn.primary { background: linear-gradient(135deg, #6b7cff, #3fcfff); color: #07101d; }
.btn.danger { background: linear-gradient(135deg, #ff5f7a, #ff8a5b); color: #24060c; }
.btn.wide { width: 100%; padding: 13px 15px; margin-top: 14px; }
.preset-list { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin: 18px 0 8px; }
.preset-list span { background: rgba(255,255,255,.04); border: 1px solid var(--line); padding: 9px 10px; border-radius: 10px; font-size: .86rem; color: #d7dded; }
.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.search { min-width: 220px; background: rgba(255,255,255,.04); border: 1px solid var(--line); color: var(--text); border-radius: 11px; padding: 9px 11px; outline: none; }
.search:focus { border-color: rgba(124,140,255,.65); }
.badge { border: 1px solid var(--line); color: #cbd3e9; border-radius: 999px; padding: 7px 10px; font-size: .82rem; }
.table-wrap { max-height: 480px; overflow: auto; border: 1px solid var(--line); border-radius: 14px; }
table { border-collapse: collapse; width: 100%; font-size: .86rem; }
th,td { padding: 11px 13px; border-bottom: 1px solid var(--line); text-align: left; font-variant-numeric: tabular-nums; }
th { position: sticky; top: 0; z-index: 1; background: #151b2d; color: #bbc5dd; }
td:first-child { color: #f2f4ff; font-weight: 700; }
td:not(:first-child) { color: #aab4ca; }
.log { height: 250px; overflow: auto; background: #080b12; border: 1px solid var(--line); border-radius: 14px; padding: 14px; color: #b9c3d8; font: 12.5px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; margin: 0; }
.download-card { display: flex; flex-direction: column; }
.status { border-radius: 12px; padding: 11px 12px; margin-top: auto; font-size: .9rem; border: 1px solid var(--line); }
.status.neutral { color: var(--muted); background: rgba(255,255,255,.03); }
.status.dirty { color: #ffe3a7; background: rgba(255,188,70,.08); border-color: rgba(255,188,70,.22); }
.hidden { display: none !important; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 18px); opacity: 0; pointer-events: none; background: #eff4ff; color: #111827; font-weight: 750; padding: 11px 14px; border-radius: 12px; transition: .2s ease; box-shadow: 0 16px 50px rgba(0,0,0,.35); z-index: 10; }
.toast.show { opacity: 1; transform: translate(-50%,0); }
@media (max-width: 780px) {
  .shell { width: min(100% - 18px, 1180px); padding-top: 24px; }
  .hero { align-items: flex-start; flex-direction: column; }
  .grid.two { grid-template-columns: 1fr; }
  .control-row { align-items: flex-start; flex-direction: column; }
  .scale-control { width: 100%; grid-template-columns: 1fr 56px auto; }
  .preset-list { grid-template-columns: 1fr; }
  .search { min-width: 0; width: min(100%, 240px); }
}