:root {
  --bg0: #07080a;
  --bg1: #0f1320;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.08);
  --ink: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.65);
  --faint: rgba(255, 255, 255, 0.42);
  --line: rgba(255, 255, 255, 0.12);
  --hot: #f5d90a;
  --ok: #5bf1b5;
  --bad: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(245, 217, 10, 0.10), transparent 60%),
    radial-gradient(900px 650px at 90% 35%, rgba(91, 241, 181, 0.10), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.wrap {
  width: min(1024px, calc(100% - 32px));
  margin: 28px auto 40px;
  display: grid;
  gap: 18px;
}

.hero {
  padding: 18px 2px 8px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
}

.mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(245, 217, 10, 0.95), rgba(91, 241, 181, 0.85)),
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.35), transparent 40%);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.55);
}

.name {
  font-weight: 800;
  letter-spacing: 0.2px;
  font-size: 22px;
}

.tag {
  color: var(--muted);
  font-size: 14px;
  margin-top: 2px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
}

.form {
  padding: 16px;
  display: grid;
  gap: 14px;
}

.field .label {
  font-weight: 700;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type="file"],
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.28);
  color: var(--ink);
  padding: 12px 12px;
  outline: none;
}

textarea {
  resize: vertical;
  min-height: 82px;
}

.hint {
  margin-top: 8px;
  font-size: 12px;
  color: var(--faint);
}

.actions {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}

button {
  appearance: none;
  border: 0;
  border-radius: 14px;
  padding: 12px 14px;
  font-weight: 800;
  letter-spacing: 0.2px;
  color: #0b0d0f;
  background: linear-gradient(135deg, rgba(245, 217, 10, 0.95), rgba(245, 217, 10, 0.80));
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.status {
  font-size: 13px;
  color: var(--muted);
  text-align: right;
  flex: 1;
}

.compare {
  padding: 14px 14px 16px;
}

.compareHeader {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 2px 2px 12px;
}

.compareHeader .h {
  font-weight: 800;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

.compareHeader .sub {
  font-size: 12px;
  color: var(--faint);
}

.compareBox {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.10);
  overflow: hidden;
}

.compareBox:not(:has(.stage[hidden])) {
  cursor: ew-resize;
}

.compareBox.dragging {
  cursor: ew-resize;
}

.placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  text-align: center;
  color: rgba(255, 255, 255, 0.60);
  font-weight: 700;
  background:
    radial-gradient(500px 300px at 20% 20%, rgba(245, 217, 10, 0.10), transparent 55%),
    radial-gradient(540px 360px at 80% 70%, rgba(91, 241, 181, 0.10), transparent 55%);
}

.stage {
  position: absolute;
  inset: 0;
  touch-action: none;
  --split: 50%;
}

.img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: rgba(0, 0, 0, 0.14);
}

.afterWrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  /* Reveal the left part of the after layer without resizing the image itself. */
  clip-path: inset(0 calc(100% - var(--split)) 0 0);
}

.slider {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  width: calc(100% - 24px);
  margin: 0 12px;
  accent-color: var(--hot);
}

.split {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--split);
  width: 2px;
  background: rgba(245, 217, 10, 0.9);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.split::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.30), transparent 45%),
    linear-gradient(135deg, rgba(245, 217, 10, 0.95), rgba(245, 217, 10, 0.70));
  border: 1px solid rgba(0, 0, 0, 0.35);
  box-shadow:
    0 14px 38px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.split::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 14px;
  border-radius: 8px;
  background:
    linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.35) 0,
      rgba(0, 0, 0, 0.35) 2px,
      transparent 2px,
      transparent 4px,
      rgba(0, 0, 0, 0.35) 4px,
      rgba(0, 0, 0, 0.35) 6px,
      transparent 6px,
      transparent 8px,
      rgba(0, 0, 0, 0.35) 8px,
      rgba(0, 0, 0, 0.35) 10px
    );
  opacity: 0.7;
}

.foot {
  padding: 4px 2px;
}

.small {
  font-size: 12px;
  color: var(--faint);
}

code {
  color: rgba(255, 255, 255, 0.75);
}

@media (max-width: 640px) {
  .compareHeader {
    flex-direction: column;
    align-items: flex-start;
  }
  .actions {
    flex-direction: column;
    align-items: stretch;
  }
  .status {
    text-align: left;
  }
}