:root {
  color-scheme: dark;
  --ink: #eef2ff;
  --muted: #a7b0c9;
  --surface: #12182a;
  --surface-raised: #19213a;
  --border: #2e3a5c;
  --accent: #83e8c6;
  --accent-ink: #06251d;
  --warning: #ffd58a;
  --danger: #ff9d9d;
  --shadow: 0 18px 45px rgb(0 0 0 / 25%);
}

* {
  box-sizing: border-box;
}

body {
  background:
    radial-gradient(circle at 0 0, #20365b 0, transparent 32rem),
    radial-gradient(circle at 100% 10%, #173b35 0, transparent 28rem),
    #0a0e19;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  margin: 0;
  min-height: 100vh;
}

.site-header,
main,
footer {
  margin: 0 auto;
  max-width: 1120px;
  width: calc(100% - 40px);
}

.site-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  padding: 56px 0 32px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  letter-spacing: -0.06em;
  line-height: 0.9;
  margin-bottom: 12px;
}

h2 {
  font-size: 1.3rem;
  line-height: 1.2;
  margin-bottom: 10px;
}

h3 {
  font-size: 1rem;
  margin: 24px 0 10px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  margin-bottom: 8px;
}

.subtitle,
.muted {
  color: var(--muted);
}

.subtitle {
  margin-bottom: 0;
}

.repository-link {
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.9rem;
  padding: 9px 16px;
  text-decoration: none;
}

.repository-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.notice {
  background: rgb(255 213 138 / 10%);
  border: 1px solid rgb(255 213 138 / 45%);
  border-radius: 14px;
  color: #ffedc4;
  margin-bottom: 24px;
  padding: 20px 24px;
}

.notice h2 {
  color: var(--warning);
}

.notice p {
  margin-bottom: 0;
}

.workspace {
  display: grid;
  gap: 24px;
  grid-template-columns: 0.9fr 1.1fr;
}

.card,
.result-section,
.evidence {
  background: linear-gradient(145deg, rgb(25 33 58 / 92%), rgb(18 24 42 / 92%));
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.example-image {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: block;
  margin: 20px 0 14px;
  object-fit: cover;
  width: 100%;
}

.drop-zone {
  align-items: center;
  border: 1.5px dashed #536891;
  border-radius: 12px;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: center;
  min-height: 230px;
  padding: 24px;
  text-align: center;
  transition: background 160ms ease, border-color 160ms ease;
}

.drop-zone:hover,
.drop-zone.is-dragging {
  background: rgb(131 232 198 / 8%);
  border-color: var(--accent);
  color: var(--ink);
}

.drop-zone small {
  color: #7f8aa8;
}

.drop-zone-icon {
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-size: 1.4rem;
  height: 36px;
  line-height: 32px;
  width: 36px;
}

input[type="file"] {
  height: 0;
  opacity: 0;
  position: absolute;
  width: 0;
}

.selected-file {
  color: var(--muted);
  font-size: 0.9rem;
  min-height: 1.5rem;
  overflow-wrap: anywhere;
  padding-top: 14px;
}

button {
  border: 0;
  border-radius: 9px;
  cursor: pointer;
  font: inherit;
  font-weight: 750;
  padding: 12px 16px;
  transition: filter 160ms ease, transform 160ms ease;
  width: 100%;
}

button:hover:not(:disabled) {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.primary-button {
  background: var(--accent);
  color: var(--accent-ink);
}

.secondary-button {
  background: #33456e;
  color: var(--ink);
}

.result-section,
.evidence {
  margin-top: 24px;
}

.result-heading {
  align-items: flex-start;
  display: flex;
  justify-content: space-between;
}

.status {
  background: #283655;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 10px;
}

.status.is-loading {
  background: rgb(255 213 138 / 18%);
  color: var(--warning);
}

.status.is-success {
  background: rgb(131 232 198 / 15%);
  color: var(--accent);
}

.status.is-error {
  background: rgb(255 157 157 / 15%);
  color: var(--danger);
}

.result-content {
  align-items: start;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.6fr);
  margin-top: 20px;
}

#annotated-image {
  border: 1px solid var(--border);
  border-radius: 12px;
  max-height: 560px;
  object-fit: contain;
  width: 100%;
}

.detection-panel {
  background: rgb(7 11 21 / 50%);
  border-radius: 12px;
  padding: 16px;
}

.summary-list {
  display: grid;
  gap: 9px;
  margin: 0;
}

.summary-list div {
  align-items: baseline;
  border-bottom: 1px solid rgb(46 58 92 / 65%);
  display: flex;
  justify-content: space-between;
  padding-bottom: 8px;
}

dt {
  color: var(--muted);
  font-size: 0.82rem;
}

dd {
  font-size: 0.88rem;
  font-weight: 700;
  margin: 0;
  text-align: right;
}

.detection-list {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.detection-list li {
  background: rgb(51 69 110 / 50%);
  border-radius: 7px;
  display: flex;
  font-size: 0.88rem;
  justify-content: space-between;
  padding: 9px;
}

.detection-list .empty {
  color: var(--muted);
  display: block;
}

.evidence {
  margin-bottom: 42px;
}

.evidence-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 20px 0;
}

.evidence-grid a {
  color: var(--ink);
  text-decoration: none;
}

.evidence-grid img {
  border: 1px solid var(--border);
  border-radius: 9px;
  display: block;
  height: 160px;
  margin-bottom: 8px;
  object-fit: cover;
  width: 100%;
}

.evidence-grid span {
  color: var(--muted);
  font-size: 0.85rem;
}

.evidence-grid strong {
  color: var(--ink);
}

footer {
  color: #77829f;
  font-size: 0.8rem;
  padding: 0 0 28px;
  text-align: center;
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
    padding-top: 36px;
  }

  .workspace,
  .result-content,
  .evidence-grid {
    grid-template-columns: 1fr;
  }

  .evidence-grid img {
    height: 210px;
  }
}