/* UpFront catalogue curator — swipe UI.
   Mobile-first; brand: charcoal #1a1d1f + signal yellow #FFD400 + Inter Tight. */

:root {
  --c-bg: #f5f5f4;
  --c-card: #ffffff;
  --c-ink: #1a1d1f;
  --c-ink-2: #4a4d4f;
  --c-ink-3: #8a8d8f;
  --c-line: #e5e4e2;
  --c-yellow: #FFD400;
  --c-yes: #1f7a3a;
  --c-no: #c0392b;
  --r-md: 12px;
  --r-lg: 18px;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-feature-settings: 'cv11', 'ss03';
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--c-bg); color: var(--c-ink); height: 100%; overscroll-behavior: none; }
body { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--c-ink); color: var(--c-bg);
  padding: 12px 18px; padding-top: max(12px, env(safe-area-inset-top));
}
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand .chev { color: var(--c-yellow); font-size: 16px; line-height: 1; }
.brand .word { letter-spacing: 0.02em; font-weight: 500; font-size: 15px; }
.brand .word strong { font-weight: 800; }
.tally { font-variant-numeric: tabular-nums; font-size: 13px; color: #cccecf; }
.tally strong { color: var(--c-yellow); margin-right: 3px; }
.tally .sep { color: var(--c-ink-2); margin: 0 4px; }

main { flex: 1; display: flex; flex-direction: column; padding: 18px; gap: 18px; max-width: 600px; width: 100%; margin: 0 auto; }

.instructions, .done, .error { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--r-lg); padding: 28px 22px; text-align: center; }
.instructions h1, .done h1 { font-size: 26px; font-weight: 800; margin: 0 0 14px; }
.instructions p { margin: 0 0 12px; color: var(--c-ink-2); line-height: 1.5; }
.instructions .warn { background: #fff8d8; border: 1px solid var(--c-yellow); padding: 10px 14px; border-radius: var(--r-md); color: var(--c-ink); margin-top: 16px; font-size: 14px; }
.btn-primary { background: var(--c-ink); color: var(--c-yellow); border: 0; padding: 14px 32px; font: inherit; font-weight: 700; font-size: 16px; border-radius: var(--r-md); cursor: pointer; margin-top: 12px; }
.btn-primary:hover { background: #2a2d2f; }

.error { background: #ffe8e0; border-color: #f0a070; color: #8a3000; padding: 16px; }

.muted { color: var(--c-ink-3); font-size: 13px; }

.stage { flex: 1; display: flex; flex-direction: column; gap: 18px; min-height: 0; }
.card-area { position: relative; flex: 1; min-height: 360px; touch-action: none; user-select: none; -webkit-user-select: none; }

.card {
  position: absolute; inset: 0;
  background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--r-lg);
  padding: 22px; display: flex; flex-direction: column; gap: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transition: transform 0.25s ease, opacity 0.25s ease, box-shadow 0.2s;
  will-change: transform;
}
.card.behind { transform: scale(0.96) translateY(8px); opacity: 0.6; box-shadow: none; }
.card.dragging { transition: none; }
.card.fly-left  { transform: translateX(-130%) rotate(-25deg); opacity: 0; }
.card.fly-right { transform: translateX(130%)  rotate(25deg);  opacity: 0; }

.card .crumb { color: var(--c-ink-3); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
.card .name { margin: 0; font-size: 24px; font-weight: 700; line-height: 1.2; }
.card .desc { margin: 0; color: var(--c-ink-2); line-height: 1.5; font-size: 15px; }

.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; font-size: 13px; margin: 0; }
.specs dt { color: var(--c-ink-3); }
.specs dd { margin: 0; font-variant-numeric: tabular-nums; }

.hints { display: flex; flex-wrap: wrap; gap: 5px; }
.hints a {
  display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 999px;
  background: var(--c-ink); color: var(--c-yellow); text-decoration: none;
  font-size: 11px; font-weight: 600;
}
.hints a:hover { background: var(--c-yellow); color: var(--c-ink); }

.see-images { margin-top: auto; padding: 8px 12px; background: transparent; border: 1px dashed var(--c-line); border-radius: var(--r-md); text-align: center; text-decoration: none; color: var(--c-ink-2); font-size: 13px; }
.see-images:hover { border-color: var(--c-ink); color: var(--c-ink); }

/* Decision badges that fade in as you drag */
.card .badge {
  position: absolute; top: 22px; padding: 6px 14px; border: 3px solid currentColor;
  border-radius: 8px; font-weight: 800; font-size: 22px; letter-spacing: 0.05em;
  opacity: 0; pointer-events: none; transition: opacity 0.05s;
  text-transform: uppercase;
}
.card .badge.keep   { right: 22px; color: var(--c-yes); transform: rotate(8deg); }
.card .badge.remove { left: 22px;  color: var(--c-no);  transform: rotate(-8deg); }

.controls { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: env(safe-area-inset-bottom); }
.btn-circle {
  width: 64px; height: 64px; border-radius: 50%; font-size: 28px; cursor: pointer;
  background: var(--c-card); border: 2px solid var(--c-line); color: var(--c-ink);
  display: grid; place-items: center; transition: transform 0.1s, border-color 0.1s, background 0.1s;
}
.btn-circle:hover { transform: scale(1.05); }
.btn-circle:active { transform: scale(0.95); }
.btn-no  { color: var(--c-no);  border-color: var(--c-no); }
.btn-yes { color: var(--c-yes); border-color: var(--c-yes); }
.btn-no:hover  { background: var(--c-no);  color: #fff; }
.btn-yes:hover { background: var(--c-yes); color: #fff; }

.btn-undo {
  flex: 1; padding: 14px; border-radius: var(--r-md);
  background: transparent; border: 1px solid var(--c-line); color: var(--c-ink-2);
  font: inherit; font-size: 14px; font-weight: 600; cursor: pointer;
}
.btn-undo:hover:not(:disabled) { border-color: var(--c-ink); color: var(--c-ink); }
.btn-undo:disabled { opacity: 0.4; cursor: not-allowed; }

@media (min-width: 700px) {
  main { padding: 32px; gap: 24px; }
  .card-area { min-height: 480px; }
  .card { padding: 28px; }
  .card .name { font-size: 30px; }
}