/* investment-notebook — single-page stylesheet */

:root {
  --bg: #fafaf8;
  --fg: #1a1a1a;
  --muted: #666;
  --subtle: #999;
  --border: #e5e5e0;
  --card-bg: #ffffff;
  --accent: #0066cc;
  --up: #1b8a3a;
  --down: #c0392b;
  --private: #8a5a00;
  --chart-text: #777;
  --chart-grid: #f0f0eb;
  --chart-line: #0066cc;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --max-width: 880px;
  --radius: 6px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14141a;
    --fg: #ececec;
    --muted: #a8a8a8;
    --subtle: #777;
    --border: #2a2a32;
    --card-bg: #1c1c24;
    --accent: #6eb6ff;
    --up: #4ad27a;
    --down: #ff7a6a;
    --private: #d4a857;
    --chart-text: #aaa;
    --chart-grid: #25252e;
    --chart-line: #6eb6ff;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* ---- page header ---- */

.page-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 24px;
}

.page-header h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2.4rem;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.page-header .tagline {
  margin: 0 0 20px;
  font-size: 1.05rem;
  color: var(--muted);
}

.page-header .disclaimer {
  font-size: 0.9rem;
  color: var(--muted);
  border-left: 3px solid var(--border);
  padding: 8px 14px;
  margin: 0 0 16px;
  background: var(--card-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-header .disclaimer strong {
  color: var(--fg);
}

.page-header .meta {
  font-size: 0.85rem;
  color: var(--subtle);
  margin: 0;
}

/* ---- main ---- */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 48px;
}

/* ---- company card ---- */

.company {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.company.private {
  /* subtle visual differentiation, not a totally different design */
  border-style: dashed;
}

.company-header { margin-bottom: 16px; }

.title-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 6px;
}

.company-header h2 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.ticker {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.82rem;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.02em;
}

.badge {
  font-size: 0.78rem;
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 500;
}

.private-badge {
  background: color-mix(in srgb, var(--private) 15%, transparent);
  color: var(--private);
  border: 1px solid color-mix(in srgb, var(--private) 30%, transparent);
}

.price-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.92rem;
  color: var(--muted);
}

.price-row .price {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}

.change.up { color: var(--up); }
.change.down { color: var(--down); }
.change { font-variant-numeric: tabular-nums; font-weight: 500; }

.mcap, .sector {
  font-size: 0.85rem;
  color: var(--subtle);
}

/* ---- charts ---- */

.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 16px 0 20px;
}

@media (max-width: 600px) {
  .charts { grid-template-columns: 1fr; }
}

.chart-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 4px 4px;
  background: var(--bg);
}

.chart-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--subtle);
  padding: 0 8px 4px;
}

.chart {
  width: 100%;
  height: 180px;
}

/* ---- prose ---- */

.prose {
  font-size: 0.97rem;
  line-height: 1.6;
}

.prose h2 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--subtle);
  font-weight: 600;
  margin: 22px 0 6px;
  font-family: var(--font-sans);
}

.prose h2:first-child { margin-top: 0; }

.prose h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 18px 0 6px;
}

.prose p { margin: 0 0 12px; }
.prose ul { padding-left: 22px; margin: 0 0 12px; }
.prose li { margin-bottom: 4px; }

/* ---- news ---- */

.news {
  margin-top: 22px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.news h3 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--subtle);
  margin: 0 0 10px;
  font-weight: 600;
}

.news ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.news li {
  font-size: 0.9rem;
  line-height: 1.45;
  padding: 4px 0;
}

.news-source {
  color: var(--subtle);
  font-size: 0.82rem;
}

/* ---- card footer ---- */

.company-footer {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--subtle);
}

/* ---- page footer ---- */

.page-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 24px 48px;
  font-size: 0.85rem;
  color: var(--subtle);
  border-top: 1px solid var(--border);
}

.page-footer p { margin: 0 0 4px; }