:root {
  color-scheme: light;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;
  color: #0f172a;
  background:
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.14), transparent 36%),
    radial-gradient(circle at top left, rgba(249, 115, 22, 0.14), transparent 30%),
    linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

#app {
  min-height: 100vh;
}

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.app-header h1,
.hero h2,
.analysis-card h2,
.summary-card h2,
.detail-topline h2 {
  margin: 0;
  font-size: clamp(1.75rem, 4vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.header-note,
.muted,
.helper {
  margin: 0;
  color: #475569;
}

.helper-detail {
  margin-top: 8px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #0f766e;
  font-weight: 700;
}

.card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.hero,
.summary-card,
.analysis-card,
.group-summary {
  padding: 28px;
}

.hero {
  margin-bottom: 20px;
}

.hero h2 {
  max-width: 720px;
  margin-bottom: 14px;
}

.button-row,
.button-column {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button-row {
  margin-top: 20px;
}

.compact-row {
  margin-top: 14px;
}

.button-column {
  flex-direction: column;
}

.primary,
.secondary,
.ghost {
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.primary:hover,
.secondary:hover,
.ghost:hover,
.thumb:hover {
  transform: translateY(-1px);
}

.primary {
  background: linear-gradient(135deg, #0f766e, #0369a1);
  color: #fff;
  box-shadow: 0 12px 20px rgba(14, 116, 144, 0.22);
}

.secondary {
  background: #e2e8f0;
  color: #0f172a;
}

.ghost {
  background: rgba(241, 245, 249, 0.65);
  color: #334155;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.metric {
  padding: 14px;
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.18);
  text-align: center;
}

.metric span {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.metric small {
  color: #475569;
}

.split-panel {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 20px;
  padding: 28px;
}

.upload-zone {
  display: grid;
  place-items: center;
  min-height: 220px;
  margin-top: 18px;
  padding: 24px;
  border-radius: 22px;
  border: 2px dashed rgba(14, 116, 144, 0.28);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(226, 232, 240, 0.8));
  color: #0f172a;
  font-weight: 600;
  text-align: center;
}

.upload-zone input {
  display: none;
}

.inset-card {
  padding: 22px;
}

.upload-list {
  margin: 0;
  padding-left: 18px;
  color: #334155;
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.progress-track {
  height: 14px;
  margin-top: 18px;
  background: #dbeafe;
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  width: 72%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #0f766e, #0369a1, #f97316);
}

.stack {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.group-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  overflow: hidden;
}

.group-visual,
.result-visual {
  min-height: 190px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  padding: 16px;
  background-size: cover;
  background-position: center;
}

.group-visual img,
.result-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.group-copy {
  padding: 22px;
}

.group-topline,
.detail-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.group-topline h3,
.summary-card h3,
.inset-card h3,
.recommendation-card h3,
.result-card h3 {
  margin: 0;
}

.status {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.status.unreviewed {
  background: #e0f2fe;
  color: #0c4a6e;
}

.status.deferred {
  background: #ffedd5;
  color: #9a3412;
}

.status.selected {
  background: #dcfce7;
  color: #166534;
}

.reason {
  color: #0f172a;
  font-weight: 600;
}

.selection-note {
  margin: 2px 0 0;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.9);
  color: #334155;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 18px;
}

.preview-card,
.recommendation-card {
  padding: 24px;
}

.recommendation-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.preview-frame {
  margin-top: 18px;
  min-height: 380px;
  border-radius: 24px;
  overflow: hidden;
  background: #cbd5e1;
}

.photo-frame img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
}

.placeholder-frame {
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: clamp(1.2rem, 2vw, 2rem);
}

.thumb-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.thumb {
  padding: 8px;
  border-radius: 18px;
  background: #f8fafc;
  border: 1px solid rgba(148, 163, 184, 0.2);
  text-align: left;
}

.thumb.active {
  border-color: #0f766e;
  box-shadow: inset 0 0 0 1px #0f766e;
}

.thumb img,
.thumb-placeholder {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 8px;
}

.result-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  overflow: hidden;
}

.feedback-panel {
  margin: 6px 0 4px;
  padding: 18px;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(236, 253, 245, 0.95), rgba(220, 252, 231, 0.82));
  border: 1px solid rgba(34, 197, 94, 0.18);
}

.feedback-panel h3 {
  margin: 0;
  font-size: 1.1rem;
}

@media (max-width: 900px) {
  .app-header,
  .split-panel,
  .detail-grid,
  .group-card,
  .result-card {
    grid-template-columns: 1fr;
    display: grid;
  }

  .app-header {
    gap: 10px;
  }

  .metric-row,
  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .preview-frame,
  .photo-frame img {
    min-height: 260px;
  }
}