:root {
  --bg: #010101;
  --ink: #f2ebe3;
  --mute: #b2a59b;
  --red: #ff1a1a;
  --line: rgba(255, 40, 40, 0.28);
  --card: rgba(8, 0, 0, 0.78);
  --font: "IBM Plex Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-text-size-adjust: 100%;
}
body {
  min-height: 100svh;
  background:
    radial-gradient(circle at 50% 8%, rgba(90, 0, 0, 0.32), transparent 36%),
    radial-gradient(circle at 50% 50%, #120404 0%, #010101 62%, #000 100%);
}
a { color: inherit; }
button, select { font: inherit; color: inherit; }

.wrap {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.4rem 0 3rem;
}
.top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 1.25rem;
}
.brand {
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--mute);
  text-decoration: none;
}
.brand strong {
  color: var(--ink);
  font-weight: 700;
}
h1 {
  margin: 0.15rem 0 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.06em;
}
.sub { color: var(--mute); font-size: 0.86rem; margin: 0.45rem 0 0; max-width: 40rem; }
.pills { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.75rem; }
.pill {
  border: 1px solid var(--line);
  padding: 0.22rem 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: #d7c7bd;
  background: rgba(40, 0, 0, 0.4);
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.7fr);
  gap: 1rem;
}
@media (max-width: 820px) { .grid { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
  padding: 1rem;
}
.drop {
  min-height: 280px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px dashed rgba(255, 50, 50, 0.45);
  background: rgba(0, 0, 0, 0.35);
  cursor: pointer;
  padding: 1.2rem;
}
.drop.over { border-color: var(--red); background: rgba(80, 0, 0, 0.35); }
.drop p { margin: 0.35rem 0 0; color: var(--mute); font-size: 0.82rem; }
.eye {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, #ff3b3b, #5a0000 58%, #120000);
  box-shadow: 0 0 18px rgba(255, 26, 26, 0.55);
  margin: 0 auto 0.7rem;
}

.compare {
  position: relative;
  overflow: hidden;
  background: #000;
  min-height: 280px;
  touch-action: none;
}
.compare img, .compare canvas {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
}
.compare .after { width: 100%; }
.compare .before-clip {
  position: absolute;
  inset: 0 auto 0 0;
  width: 50%;
  overflow: hidden;
  border-right: 1px solid rgba(255, 255, 255, 0.7);
}
.compare .before-clip img,
.compare .before-clip canvas { width: var(--frame-w, 100%); max-width: none; }
.compare .handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 28px;
  transform: translateX(-50%);
  cursor: ew-resize;
}
.compare .handle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 36px;
  transform: translate(-50%, -50%);
  border: 1px solid #fff;
  background: rgba(0, 0, 0, 0.55);
}

.controls label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--mute);
  margin: 0.85rem 0 0.35rem;
}
.row { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.choice {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  padding: 0.55rem 0.7rem;
  min-height: 42px;
  cursor: pointer;
}
.choice[aria-pressed="true"],
.choice.active {
  background: rgba(70, 0, 0, 0.65);
  box-shadow: inset 0 0 0 1px rgba(255, 45, 45, 0.5);
}
.btn {
  appearance: none;
  border: 0;
  background: var(--red);
  color: #fff;
  padding: 0.75rem 1rem;
  min-height: 46px;
  cursor: pointer;
  letter-spacing: 0.08em;
  width: 100%;
  margin-top: 1rem;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.secondary {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  margin-top: 0.5rem;
}
.status { min-height: 3.2em; color: var(--mute); font-size: 0.8rem; margin: 0.8rem 0 0; }
.status.ok { color: #9be7b2; }
.status.warn { color: #f5c16c; }
.status.bad { color: #ff8b8b; }
.bar {
  height: 8px;
  background: #140000;
  border: 1px solid var(--line);
  margin-top: 0.55rem;
  overflow: hidden;
}
.fill { height: 100%; width: 0; background: linear-gradient(90deg, #7a0000, var(--red)); }
.meta { font-size: 0.75rem; color: var(--mute); margin-top: 0.7rem; }
.note { font-size: 0.75rem; color: var(--mute); margin: 1rem 0 0; }
.hidden { display: none !important; }
file-input, input[type="file"] { display: none; }

.mega {
  margin-top: 2.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 40, 40, 0.4);
}
.mega-head h2 {
  margin: 0.2rem 0 0;
  letter-spacing: 0.16em;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  color: #ff4d4d;
}
.mega-warn {
  color: #f5c16c;
  font-size: 0.8rem;
  margin: 0.55rem 0 0;
  max-width: 46rem;
}
.mega .btn {
  background: #9a0000;
  box-shadow: inset 0 0 0 1px rgba(255, 80, 80, 0.45);
}
.mega .drop { min-height: 220px; }