:root {
  color-scheme: light;
  --bg: #f3efe6;
  --panel: rgba(255, 252, 246, 0.92);
  --card: #fffdf8;
  --line: rgba(31, 35, 40, 0.12);
  --text: #1f2328;
  --muted: #6a5f51;
  --accent: #0d5c63;
  --accent-soft: rgba(13, 92, 99, 0.12);
  --high: #2f7d32;
  --watch: #b26b00;
  --noise: #8d3f3f;
  --shadow: 0 20px 45px rgba(31, 35, 40, 0.08);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Avenir Next", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(13, 92, 99, 0.18), transparent 32%),
    radial-gradient(circle at bottom right, rgba(197, 131, 48, 0.18), transparent 26%),
    var(--bg);
  color: var(--text);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 360px 1fr;
}

.sidebar {
  padding: 28px 22px;
  border-right: 1px solid var(--line);
  background: rgba(250, 245, 236, 0.78);
  backdrop-filter: blur(16px);
}

.content {
  padding: 28px;
}

.brand,
.panel,
.hero,
.topic-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.brand,
.panel {
  background: var(--panel);
  margin-bottom: 18px;
  padding: 18px;
}

.hero {
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(255, 253, 248, 0.95), rgba(255, 246, 228, 0.95));
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
}

.hero-strip {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.source-board {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: rgba(255, 252, 246, 0.92);
  padding: 18px;
}

.source-board-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
}

.source-board-header h3 {
  margin: 6px 0 0;
  font-family: "Fraunces", "Iowan Old Style", serif;
}

.source-comparison {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.source-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  padding: 16px;
}

.source-card h4 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.source-stat {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(31, 35, 40, 0.04);
}

.source-stat span {
  display: block;
  font-size: 0.76rem;
  color: var(--muted);
  text-transform: uppercase;
}

.source-stat strong {
  display: block;
  margin-top: 4px;
  font-size: 1.2rem;
}

.mini-stat {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.9);
  padding: 14px 16px;
}

.mini-stat span {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.mini-stat strong {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
}

.hero h2,
.brand h1 {
  margin: 6px 0 8px;
  font-family: "Fraunces", "Iowan Old Style", serif;
  font-weight: 700;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--accent);
}

.lede,
.hero-note,
.muted {
  color: var(--muted);
}

.input-stack {
  display: grid;
  gap: 12px;
}

.button-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.field {
  display: grid;
  gap: 6px;
}

.field span,
.section-label,
.metric-label {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

input,
select,
.button {
  font: inherit;
}

input,
select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  color: var(--text);
}

.button {
  border: 0;
  border-radius: 14px;
  padding: 12px 14px;
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

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

.button-secondary {
  background: rgba(31, 35, 40, 0.08);
  color: var(--text);
}

.upload-zone {
  margin-top: 14px;
  padding: 18px;
  border-radius: 16px;
  border: 1px dashed rgba(13, 92, 99, 0.35);
  background: var(--accent-soft);
  text-align: center;
}

.upload-zone.dragover {
  background: rgba(13, 92, 99, 0.2);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.metric-value {
  margin: 6px 0 0;
  font-size: 1.7rem;
  font-weight: 700;
}

.metric-small {
  font-size: 1rem;
  line-height: 1.3;
}

.topic-list {
  margin-top: 22px;
  display: grid;
  gap: 18px;
}

.topic-card {
  background: var(--card);
  padding: 20px;
}

.topic-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.topic-rank {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.topic-label {
  margin: 6px 0 0;
  font-size: 1.5rem;
}

.classification-pill {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
}

.classification-pill.high-confidence {
  background: rgba(47, 125, 50, 0.12);
  color: var(--high);
}

.classification-pill.watchlist {
  background: rgba(178, 107, 0, 0.12);
  color: var(--watch);
}

.classification-pill.noisy {
  background: rgba(141, 63, 63, 0.12);
  color: var(--noise);
}

.score-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  gap: 12px;
}

.score-box {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(31, 35, 40, 0.04);
}

.score-box span {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

.score-box strong {
  display: block;
  margin-top: 4px;
  font-size: 1.25rem;
}

.meta-row {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(31, 35, 40, 0.06);
  font-size: 0.85rem;
}

.recommendation-block {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  gap: 20px;
}

.trend-block {
  min-width: 0;
}

.trend-direction {
  margin: 8px 0 4px;
  font-size: 1rem;
  font-weight: 700;
}

.trend-summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.trend-chart-block {
  margin-top: 8px;
  padding: 12px;
  border-radius: 16px;
  background: rgba(31, 35, 40, 0.04);
}

.trend-chart {
  width: 100%;
  height: 72px;
  display: block;
}

.trend-chart-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 6px;
  overflow-x: auto;
}

.trend-chart-labels span {
  flex: 1 1 0;
  min-width: 0;
  text-align: center;
}

.recommendation-block ul,
.details-panel ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.details-panel {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.details-panel summary {
  cursor: pointer;
  font-weight: 600;
}

.detail-columns {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.empty-state {
  margin-top: 22px;
  padding: 48px 24px;
  border-radius: var(--radius);
  border: 1px dashed var(--line);
  text-align: center;
  color: var(--muted);
}

.hidden {
  display: none;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .content,
  .sidebar {
    padding: 18px;
  }

  .hero,
  .source-board-header,
  .topic-topline {
    display: grid;
  }

  .score-grid,
  .recommendation-block,
  .detail-columns,
  .metrics,
  .hero-strip,
  .source-comparison,
  .source-grid,
  .button-row {
    grid-template-columns: 1fr;
  }
}