:root {
  color-scheme: light;
  --page: #f6f7f4;
  --panel: #fff;
  --ink: #18251e;
  --muted: #69736b;
  --line: #e1e6df;
  --accent: #276345;
  --soft: #e8f0e6;
  --incorrect: #93603c;
  --well: #e9ede6;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--ink); font: 14px/1.45 "Segoe UI", system-ui, sans-serif; }
button, select, input { font: inherit; }
button { color: inherit; cursor: pointer; }
button:disabled, select:disabled { cursor: wait; opacity: .5; }
button:focus-visible, select:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
button, select { -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
.app { max-width: 1320px; margin: 0 auto; padding: 0 34px 24px; }
.header { display: flex; align-items: center; justify-content: center; min-height: 100px; }
.conditions { display: flex; gap: 3px; padding: 4px; background: var(--well); border-radius: 10px; grid-column: 2; grid-row: 1; justify-self: center; }
.conditions button { border: 0; border-radius: 7px; padding: 8px 10px; min-height: 36px; background: transparent; color: var(--muted); font-size: 12px; white-space: nowrap; }
.conditions button[aria-pressed="true"] { background: var(--panel); color: var(--ink); box-shadow: 0 1px 3px #18251e10; }
.topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 9px 0 18px; }
.filename { display: flex; align-items: center; gap: 9px; min-width: 0; font-size: 12px; color: var(--muted); }
.filename svg { width: 15px; height: 15px; flex-shrink: 0; }
.filename span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topline > .method { font-size: 12px; flex-shrink: 0; }
.comparison { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.workspace { display: grid; grid-template-columns: 1.15fr 1fr; }
.images { display: grid; grid-template-columns: 1fr 1fr; }
.image-panel { min-width: 0; padding: 18px 18px 0; }
.compare-panel { border-left: 1px solid var(--line); }
.panel-heading { display: flex; justify-content: center; align-items: center; text-align: center; gap: 8px; min-height: 28px; font-size: 12px; font-weight: 500; }
.method { color: var(--accent); }
.image-stage { position: relative; margin-top: 12px; height: 350px; background: var(--well); border-radius: 10px; display: grid; place-items: center; overflow: hidden; }
.image-stage > img, .wipe-overlay img { width: 200px; height: 200px; max-width: 82%; object-fit: contain; image-rendering: pixelated; }
.wipe-overlay { position: absolute; inset: 0; display: grid; place-items: center; background: var(--well); clip-path: inset(0 calc(100% - var(--split, 50%)) 0 0); }
.wipe-divider { position: absolute; top: 0; bottom: 60px; left: var(--split, 50%); width: 2px; background: var(--panel); pointer-events: none; }
.wipe-divider::after { content: "↔"; position: absolute; top: calc(50% - 16px); left: -15px; width: 32px; height: 32px; background: var(--panel); color: var(--ink); border-radius: 50%; display: grid; place-items: center; font-size: 16px; box-shadow: 0 1px 7px #00000018; }
.predictions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.prediction { padding: 22px 23px 25px; min-height: 90px; }
.prediction-value { display: flex; align-items: center; gap: 11px; }
.verdict { display: grid; place-items: center; width: 23.8px; height: 23.8px; border-radius: 50%; background: var(--well); color: var(--muted); flex-shrink: 0; font-size: 16.8px; font-weight: 700; line-height: 1; }
.prediction.correct .verdict { background: #14804a; color: #fff; }
.prediction.incorrect .verdict { background: #c62828; color: #fff; }
.prediction strong { display: block; font-size: clamp(16px, 2.7vw, 24px); font-weight: 600; line-height: 1.25; letter-spacing: -.5px; overflow-wrap: anywhere; }
.prediction-caption { display: block; color: var(--muted); font-size: 11px; line-height: 1.4; min-height: 31px; margin-bottom: 6px; }
.prediction small { display: block; font-size: 11px; color: var(--muted); margin-top: 4px; }
.slider-wrap { position: absolute; left: 16px; right: 16px; bottom: 12px; z-index: 1; }
.slider-wrap label { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; }
.slider-wrap input { display: block; width: 100%; accent-color: var(--accent); margin: 8px 0 0; }
.bottom { margin-top: 22px; min-height: 49px; }
.samples { display: grid; grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); gap: 8px; width: 100%; }
.sample { width: 100%; aspect-ratio: 1; min-height: 44px; padding: 3px; border: 1px solid transparent; border-radius: 10px; background: transparent; }
.sample img { width: 100%; height: 100%; object-fit: cover; border-radius: 6px; display: block; }
.sample[aria-pressed="true"] { border-color: var(--accent); background: var(--soft); }
.compare-stage, .wipe-overlay { padding-bottom: 60px; }
.compare-stage > img, .wipe-overlay img { width: 235px; height: 235px; }
.loading { position: absolute; inset: 0; background: #ffffffec; display: flex; gap: 10px; justify-content: center; align-items: center; color: var(--muted); font-size: 12px; z-index: 2; }
.spinner { width: 17px; height: 17px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
.error { font-size: 12px; background: #fbf1e8; color: #7c4426; border-radius: 10px; padding: 12px 16px; overflow-wrap: anywhere; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }
@media (max-width: 800px) {
  .workspace { grid-template-columns: 1fr; }
  .compare-panel { border-left: 0; border-top: 1px solid var(--line); margin-top: 18px; }
  .header { display: flex; flex-direction: column; justify-content: center; min-height: auto; padding: 22px 0 12px; gap: 14px; }
  .conditions { width: 100%; max-width: 360px; align-self: center; }
  .conditions button { flex: 1; min-width: 0; padding: 8px 5px; }
}
@media (max-width: 600px) {
  .app { padding: 0 16px 20px; }
  .image-panel { padding: 12px 10px 0; }
  .image-stage { height: 205px; }
  .image-stage > img, .wipe-overlay img { width: 150px; height: 150px; }
  .compare-stage { height: 320px; }
  .compare-stage > img, .wipe-overlay img { width: 210px; height: 210px; }
  .prediction { padding: 18px 11px; }
  .prediction-value { gap: 8px; }
  .predictions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ground-truth { grid-column: 1 / -1; padding-top: 0; }
  .ground-truth .prediction-caption { min-height: 0; }
  .prediction-caption { min-height: 62px; }
  .verdict { width: 19.6px; height: 19.6px; font-size: 14.7px; }
}
@media (max-width: 390px) {
  .filename { flex-wrap: wrap; }
  .image-stage { height: 180px; }
  .compare-stage { height: 300px; }
  .prediction strong { font-size: 16px; }
}
@media (pointer: coarse) {
  .conditions button { min-height: 44px; }
}