/* Kestrel field guide theme. Palette from Falco sparverius: rufous back
   and tail, slate blue wings, buff breast, black tail band. Prose set in
   serif like a field guide plate, data set in mono like a ground station. */

:root {
  color-scheme: light dark;
  --paper: #f3e9d2;
  --paper-panel: #fbf5e6;
  --ink: #26201a;
  --ink-dim: #6b5d49;
  --rufous: #9c3f1c;
  --slate: #46687e;
  --band: #1c1613;
  --border: #d8c5a3;
  --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #14100c;
    --paper-panel: #1d1712;
    --ink: #efe3cb;
    --ink-dim: #a08e73;
    --rufous: #cf6636;
    --slate: #7d9cb0;
    --band: #efe3cb;
    --border: #3a2f23;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.65;
}

/* Kestrel tail band: rufous, black subterminal band, pale tip */
body::before {
  content: '';
  display: block;
  height: 12px;
  background: linear-gradient(
    to bottom,
    #b34a22 0 55%,
    #1c1613 55% 85%,
    #e8d5ae 85% 100%);
}

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  counter-reset: section;
}

header.hero {
  text-align: center;
  padding: 3.5rem 1.5rem 2rem;
}

.hero-mark {
  width: 76px;
  height: auto;
  fill: var(--ink);
  opacity: 0.85;
  margin-bottom: 0.75rem;
}

header.hero h1 {
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.35rem;
}

.species-line {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rufous);
  margin: 0 0 1.1rem;
}

header.hero p.pitch {
  color: var(--ink-dim);
  font-size: 1.12rem;
  font-style: italic;
  max-width: 34em;
  margin: 0 auto 1.75rem;
}

header.hero img {
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: 3px;
}

section {
  margin: 3rem 0;
}

/* Section headers as numbered specimen labels */
section h2 {
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  margin-bottom: 1.25rem;
}

main section h2::before {
  counter-increment: section;
  content: counter(section, decimal-leading-zero) ' / ';
  color: var(--rufous);
}

.panel {
  background: var(--paper-panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1rem;
}

/* Replay viewer as a cockpit instrument, dark in both themes */
.instrument {
  background: #1a140f;
  border-color: #3a2c1f;
  color: #e8d8b8;
}

.replay-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.instrument .replay-controls select,
.instrument .replay-controls button {
  background: #120d09;
  color: #e8d8b8;
  border: 1px solid #3a2c1f;
  border-radius: 3px;
  padding: 0.4rem 0.6rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.replay-controls input[type='range'] {
  flex: 1;
  min-width: 150px;
  accent-color: #cf6636;
}

#replay-canvas {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  background: #120d09;
  border: 1px solid #3a2c1f;
  border-radius: 3px;
}

.replay-status {
  display: flex;
  justify-content: space-between;
  color: #b3a184;
  font-family: var(--mono);
  font-size: 0.82rem;
  margin-top: 0.5rem;
}

.replay-status strong {
  color: #e8d8b8;
}

#photo-panel {
  margin-top: 0.75rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}

#photo-panel img {
  max-width: 100%;
  border-radius: 3px;
  border: 1px solid #3a2c1f;
}

.replay-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: #b3a184;
  font-family: var(--mono);
  font-size: 0.78rem;
  margin-top: 0.75rem;
}

.legend-swatch {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  margin-right: 0.35rem;
  vertical-align: middle;
}

ol li::marker {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--rufous);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--ink-dim);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

code {
  font-family: var(--mono);
  background: var(--paper-panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1rem 0.35rem;
  font-size: 0.85em;
}

pre {
  background: var(--paper-panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--rufous);
  border-radius: 3px;
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.5;
}

pre code {
  border: none;
  padding: 0;
  background: none;
  font-size: 1em;
}

a {
  color: var(--rufous);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

footer {
  text-align: center;
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 2rem 0 1.5rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}