* { box-sizing: border-box; }

:root {
  --bg: #f4f7fb;
  --paper: #ffffff;
  --paper-2: #f7f9fc;
  --ink: #142235;
  --muted: #5d6b80;
  --line: #d7e0ea;
  --accent: #1f4f82;
  --accent-2: #c9a44c;
  --accent-soft: #e9f0f8;
  --gold-soft: #f7f0de;
  --shadow: 0 10px 28px rgba(18, 36, 64, 0.08);
  --chart-1: #1f4f82;
  --chart-2: #c9a44c;
  --chart-3: #4f6f9a;
  --chart-4: #8c7442;
  --chart-5: #7f95b0;
}

html[data-theme="dark"] {
  --bg: #101925;
  --paper: #172231;
  --paper-2: #1d2b3d;
  --ink: #edf4fb;
  --muted: #b4c1d0;
  --line: #304255;
  --accent: #6ea2da;
  --accent-2: #e1bf63;
  --accent-soft: #213348;
  --gold-soft: #352d1c;
  --shadow: 0 14px 30px rgba(0, 0, 0, 0.24);
  --chart-1: #6ea2da;
  --chart-2: #e1bf63;
  --chart-3: #97b8dd;
  --chart-4: #d4ae4a;
  --chart-5: #86a6ca;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

body { padding: 18px; }

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 18px;
}

.header-copy { flex: 1 1 640px; }

.eyebrow {
  margin: 0 0 8px 0;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.page-header h1 {
  margin: 0 0 8px 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.page-header p:last-child {
  margin: 0;
  color: var(--muted);
  max-width: 820px;
}

.controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.file-btn input { display: none; }

.file-btn span, button {
  display: inline-block;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  padding: 12px 15px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.95rem;
  box-shadow: var(--shadow);
}

button:hover, .file-btn span:hover { border-color: var(--accent); }

#reportRoot {
  display: grid;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.hero-grid, .overview-grid {
  display: grid;
  gap: 12px;
}

.hero-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.overview-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.mini-panel, .stat, .chart-card, .prompt-card, .pattern-card, .growth-card, .motion-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper-2);
  padding: 14px;
}

.stat h3, .mini-panel h3, .section-subtitle {
  margin: 0 0 8px 0;
}

.stat-label {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.stat-value {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
}

.term-chip-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.term-chip {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  font-size: 0.88rem;
}

.stack {
  display: grid;
  gap: 16px;
}

.chart-stack {
  display: grid;
  gap: 16px;
}

.chart-wrap {
  position: relative;
  width: 100%;
  min-height: 240px;
}

canvas {
  width: 100%;
  height: auto;
  display: block;
}

.growth-layout {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.growth-list {
  display: grid;
  gap: 10px;
  max-height: 420px;
  overflow: auto;
  padding-right: 4px;
}

.growth-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  padding: 12px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.growth-item:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.growth-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.growth-item-title {
  font-weight: 700;
  margin-bottom: 4px;
}

.growth-item-meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.growth-summary {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.growth-summary .metric {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: var(--paper);
}

.motion-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
  gap: 16px;
  align-items: start;
}

.motion-list {
  display: grid;
  gap: 10px;
}

.motion-card h3 {
  margin: 0 0 6px 0;
}

.motion-card p {
  margin: 0;
  color: var(--muted);
}

.accordion-list {
  display: grid;
  gap: 12px;
}

details.module {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper-2);
  overflow: hidden;
}

details.module[open] {
  border-color: var(--accent);
}

summary.module-summary {
  list-style: none;
  cursor: pointer;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}

summary.module-summary::-webkit-details-marker { display: none; }

.summary-left h3 {
  margin: 0 0 6px 0;
  font-size: 1.05rem;
}

.summary-left p {
  margin: 0;
  color: var(--muted);
}

.summary-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.badge {
  display: inline-block;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.82rem;
}

.badge.gold {
  background: var(--gold-soft);
  color: var(--accent-2);
}

.chevron {
  transition: transform 0.2s ease;
  color: var(--muted);
  font-size: 1rem;
}

details[open] .chevron {
  transform: rotate(90deg);
}

.module-content {
  padding: 0 16px 16px 16px;
  border-top: 1px solid var(--line);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: var(--paper);
}

.metric-label {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 4px;
}

.metric-value { font-weight: 700; }

.text-block {
  color: var(--ink);
}

.prompt-grid, .pattern-grid {
  display: grid;
  gap: 12px;
}

.prompt-card {
  border-left: 4px solid var(--accent-2);
}

.pattern-card {
  border-left: 4px solid var(--accent);
}

.source-snippet {
  margin-top: 10px;
  padding: 12px;
  border-radius: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-style: italic;
}

.prompt-note {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 8px;
}

.print-header { display: none; }

@media (min-width: 900px) {
  .chart-stack { grid-template-columns: 1fr 1fr; }
  .prompt-grid { grid-template-columns: 1fr 1fr; }
  .pattern-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 980px) {
  .page-header { flex-direction: column; }
  .controls { justify-content: flex-start; width: 100%; }
  .hero-grid, .overview-grid, .growth-layout, .motion-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { padding: 10px; }
  .controls {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }
  .file-btn span, button {
    width: 100%;
    text-align: center;
  }
  .hero-grid, .overview-grid, .metric-row {
    grid-template-columns: 1fr;
  }
  summary.module-summary { flex-direction: column; }
  .summary-right { justify-content: flex-start; }
}

@media print {
  body {
    background: #fff;
    padding: 0;
    color: #000;
  }
  .no-print { display: none !important; }
  .print-header {
    display: block;
    margin-bottom: 18px;
  }
  .card, .mini-panel, .stat, details.module, .chart-card, .prompt-card, .pattern-card, .growth-card, .motion-card {
    box-shadow: none;
    break-inside: avoid;
    page-break-inside: avoid;
    border-color: #bbb;
    background: #fff;
  }
  details.module { display: block; }
  details.module .module-content { display: block !important; }
}