:root {
  --bg: #111412;
  --panel: #181d1b;
  --panel-2: #202622;
  --line: #344038;
  --text: #f0f5ef;
  --muted: #9aa89c;
  --accent: #ffd166;
  --accent-2: #3dd6b5;
  --danger: #ff6b6b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(61, 214, 181, 0.08), transparent 38%),
    radial-gradient(circle at 85% 8%, rgba(255, 209, 102, 0.12), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: "Aptos", "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

.shell {
  width: min(1440px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 42px;
}

.mast {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 800;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(34px, 5vw, 68px);
  line-height: 0.92;
  max-width: 820px;
}

h2 {
  font-size: 28px;
}

.status,
.download {
  border: 1px solid var(--line);
  background: rgba(24, 29, 27, 0.75);
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 8px;
  text-decoration: none;
  white-space: nowrap;
}

.status.ok {
  color: var(--accent-2);
  border-color: rgba(61, 214, 181, 0.5);
}

.status.bad {
  color: var(--danger);
  border-color: rgba(255, 107, 107, 0.55);
}

.workspace {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 18px;
  align-items: start;
}

.control-panel,
.results {
  background: rgba(24, 29, 27, 0.92);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 8px;
}

.control-panel {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 18px;
  padding: 18px;
}

.drop-zone {
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 170px;
  border: 1px dashed rgba(61, 214, 181, 0.55);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(61, 214, 181, 0.08), rgba(255, 209, 102, 0.06));
  cursor: pointer;
  text-align: center;
  padding: 18px;
}

.drop-zone input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.drop-title {
  font-size: 20px;
  font-weight: 800;
}

.drop-subtitle {
  color: var(--muted);
  max-width: 280px;
  overflow-wrap: anywhere;
}

.field {
  display: grid;
  gap: 8px;
}

.field-head,
.results-head,
.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

select,
input[type="number"] {
  width: 100%;
  min-height: 42px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
}

input[type="range"] {
  accent-color: var(--accent);
}

.compact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.primary {
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(90deg, var(--accent), #ff9f5a);
  color: #17140d;
  font-weight: 900;
  cursor: pointer;
}

.primary:disabled {
  cursor: wait;
  filter: grayscale(0.8);
  opacity: 0.65;
}

.results {
  min-height: 620px;
  padding: 18px;
}

.results-head {
  margin-bottom: 18px;
}

.empty {
  min-height: 500px;
  display: grid;
  place-items: center;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17, 20, 18, 0.55);
  text-align: center;
  padding: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.result-card {
  border: 1px solid var(--line);
  background: #121614;
  border-radius: 8px;
  overflow: hidden;
}

.card-top {
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.method {
  font-weight: 900;
  color: var(--accent);
}

.frame-index {
  color: var(--muted);
  font-size: 13px;
}

.image-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}

figure {
  margin: 0;
  background: #050605;
}

img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
}

figcaption {
  padding: 7px 10px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--line);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
}

.metrics div {
  padding: 10px;
  border-right: 1px solid var(--line);
}

.metrics div:last-child {
  border-right: 0;
}

dt {
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 4px;
}

dd {
  margin: 0;
  font-weight: 850;
}

@media (max-width: 900px) {
  .shell {
    width: min(100vw - 20px, 720px);
  }

  .mast,
  .workspace {
    display: grid;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .control-panel {
    position: static;
  }

  .status {
    justify-self: start;
  }
}
