/* styles.css - earthy olive/moss + creamy beige + warm gold + rustic copper */

:root {
  /* Palette */
  --olive: #556b2f;
  --moss: #6b8e23;
  --beige: #f5f0e1;
  --beige-2: #efe8d5;
  --gold: #c9a227;
  --copper: #b87333;

  /* Semantic (light) */
  --bg: #f7f3e8;
  --surface: #fffdf6;
  --surface-2: #f1ebd9;
  --ink: #2b2a20;
  --muted: #6b6552;
  --border: #ddd3b8;
  --grid: rgba(60, 50, 20, 0.09);
  --row-alt: rgba(85, 107, 47, 0.05);
  --accent: var(--olive);
  --shadow: 0 1px 2px rgba(60, 50, 20, 0.08), 0 6px 18px rgba(60, 50, 20, 0.06);
  --focus: #7a5c1e;
}

:root[data-theme='dark'] {
  --bg: #1c1d16;
  --surface: #26281d;
  --surface-2: #2f3125;
  --ink: #ece6d3;
  --muted: #a9a389;
  --border: #3d4030;
  --grid: rgba(236, 230, 211, 0.10);
  --row-alt: rgba(236, 230, 211, 0.04);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 6px 20px rgba(0, 0, 0, 0.35);
  --focus: #d9b969;
  --gold: #d8b446;
  --moss: #8bab3e;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--copper);
  text-underline-offset: 2px;
}
:root[data-theme='dark'] a {
  color: var(--gold);
}
a:hover {
  color: var(--olive);
}
:root[data-theme='dark'] a:hover {
  color: #fff;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 0.3em;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.2rem clamp(0.8rem, 3vw, 2rem) 3rem;
}

/* ---- Header ---- */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem;
  justify-content: space-between;
  border-bottom: 3px solid var(--olive);
  padding-bottom: 1rem;
  margin-bottom: 1.4rem;
}
.site-header h1 {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  color: var(--olive);
}
:root[data-theme='dark'] .site-header h1 {
  color: var(--moss);
}
.tagline {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
}
.header-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* ---- Buttons & controls ---- */
button {
  font: inherit;
  cursor: pointer;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.9rem;
  box-shadow: var(--shadow);
}
button:hover {
  border-color: var(--olive);
}
button.primary {
  background: var(--olive);
  color: #fff;
  border-color: var(--olive);
}
button.primary:hover {
  background: #45591f;
}
.icon-btn {
  padding: 0.15rem 0.45rem;
  box-shadow: none;
  color: var(--muted);
}
.icon-btn:hover {
  color: var(--copper);
  border-color: var(--copper);
}

input,
select {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.4rem;
}
input[type='range'] {
  padding: 0;
  accent-color: var(--olive);
  width: 100%;
}
input[type='checkbox'] {
  accent-color: var(--olive);
  width: 1.05rem;
  height: 1.05rem;
}

/* ---- Cards ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.2rem;
}
.card > h2 {
  font-size: 1.05rem;
  color: var(--olive);
  margin-bottom: 0.7rem;
}
:root[data-theme='dark'] .card > h2 {
  color: var(--moss);
}

/* ---- Controls grid ---- */
.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.9rem 1.3rem;
}
.control label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.2rem;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}
.control output {
  color: var(--copper);
  font-variant-numeric: tabular-nums;
}
.toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.4rem;
  margin-top: 0.4rem;
}
.toggle {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
}
#shardRow {
  transition: opacity 0.2s;
}
.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  margin-bottom: 0.6rem;
}
.preset-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  flex: 1 1 240px;
}

/* ---- Asset table ---- */
.table-scroll {
  overflow-x: auto;
}
table.assets {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}
table.assets th,
table.assets td {
  text-align: left;
  padding: 0.3rem 0.4rem;
  border-bottom: 1px solid var(--border);
}
table.assets th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
table.assets input[type='text'] {
  width: 100%;
  min-width: 90px;
}
table.assets input[type='number'] {
  width: 5rem;
}

/* ---- Playback ---- */
.playback {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}
.playback .grow {
  flex: 1 1 160px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
#clock {
  font-variant-numeric: tabular-nums;
  color: var(--copper);
  font-weight: 600;
  min-width: 5rem;
  text-align: right;
}

/* ---- Panels (waterfalls) ---- */
.panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}
@media (min-width: 1024px) {
  .panels {
    grid-template-columns: repeat(3, 1fr);
  }
}
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 4px solid var(--accent, var(--olive));
  border-radius: 12px;
  padding: 0.9rem 1rem 1.1rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.panel-head h3 {
  font-size: 1.1rem;
  color: var(--accent);
}
.panel-head .transport {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.metrics {
  margin: 0.6rem 0;
  display: grid;
  gap: 0.25rem;
}
.metric {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.86rem;
  padding: 0.25rem 0.4rem;
  border-radius: 6px;
}
.metric.is-best {
  background: var(--row-alt);
}
.metric .m-label {
  color: var(--muted);
}
.metric .m-value {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.win {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--gold);
  color: #2b2a20;
  padding: 0.05rem 0.35rem;
  border-radius: 999px;
}
.note {
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 400;
}
.canvas-wrap {
  overflow-x: auto;
}
canvas {
  width: 100%;
  display: block;
}
.blurb {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.6rem 0 0.4rem;
}
.learn-more {
  margin: 0;
  font-size: 0.85rem;
}

/* ---- Legend ---- */
.legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.9rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.legend .lg {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.legend .lg-group {
  font-weight: 700;
  color: var(--ink);
}
.legend .sw {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 3px;
  display: inline-block;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

/* ---- Narrative ---- */
.narrative p {
  margin: 0 0 0.6rem;
}
.narrative p:last-child {
  margin-bottom: 0;
}

/* ---- Model panel ---- */
details.model summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--olive);
}
:root[data-theme='dark'] details.model summary {
  color: var(--moss);
}
details.model[open] summary {
  margin-bottom: 0.6rem;
}
.model dl {
  margin: 0;
}
.model dt {
  font-weight: 600;
  margin-top: 0.6rem;
}
.model dd {
  margin: 0.15rem 0 0;
  color: var(--muted);
}
.model .disclaimer {
  margin-top: 0.9rem;
  padding: 0.6rem 0.8rem;
  background: var(--surface-2);
  border-left: 3px solid var(--copper);
  border-radius: 6px;
  font-size: 0.88rem;
}

.further-reading {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
}
.further-reading li {
  margin: 0.2rem 0;
}

.reduced-note {
  margin: 0.4rem 0 0;
  font-size: 0.85rem;
  color: var(--copper);
}

/* ---- Footer ---- */
.site-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.88rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}