/* ==========================================================================
   Page: Developers (site/developers.html)
   <main data-theme="term"> is dark; header and footer stay Paper.
   ========================================================================== */

.dev-main {
  --code-bg: #0F1114; /* code surfaces, one step below the card surface */
  background: var(--canvas);
  color: var(--ink);
}

/* base.css turns links white on hover in the term theme; keep coloured links */
.dev-main .btn--primary:hover {
  color: var(--on-action);
}

/* Grid of three cards (quickstart steps, models) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 12px;
  margin-top: 28px;
}

/* 01 Hero ----------------------------------------------------------------- */
.dev-hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr));
  align-items: center;
  gap: 40px 64px;
}

.dev-hero__intro {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.dev-hero__intro .annotation {
  margin-bottom: 0;
}

.dev-hero__title {
  font: 400 clamp(48px, 6.4vw, 88px)/1.02 var(--font-serif);
  letter-spacing: -.025em;
  text-wrap: balance;
}

.dev-hero__lead {
  max-width: 500px;
  font: 400 19px/1.55 var(--font-sans);
  color: var(--ink-2);
}

.dev-hero .btn--primary {
  border-color: var(--action);
}

.dev-hero .btn--ghost {
  border-color: var(--ink-4);
}

.dev-hero__meta {
  font: 400 13px/1.5 var(--font-mono);
  color: var(--ink-3);
}

/* Terminal demo (typed by developers.js) */
.terminal {
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.terminal__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 41px; /* 40px + border */
  padding: 0 14px;
  border-bottom: 1px solid var(--hairline);
  font: 400 12px/1 var(--font-mono);
  color: var(--ink-3);
}

.terminal__replay {
  height: 26px;
  padding: 0 8px;
  border: 1px solid var(--ink-4);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  font: 400 11px/1 var(--font-mono);
}

.terminal__screen {
  min-height: 300px;
  padding: 18px;
  font: 400 14px/1.7 var(--font-mono);
  white-space: pre-wrap;
  color: var(--ink);
}

.terminal__prompt {
  color: var(--action);
}

.terminal__output {
  color: var(--ink-3);
}

/* Lime streaming caret (terminal + playground) */
.terminal__caret {
  height: 1.1em;
  margin-left: 0;
  vertical-align: -3px;
  background: var(--action);
}

/* 02 Quickstart ------------------------------------------------------------ */
.step-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.step-card__head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
}

.step-card__kicker {
  font: 500 12px/1 var(--font-mono);
  color: var(--machine-ink);
}

.step-card__title {
  font: 600 17px/1.3 var(--font-sans);
}

.code-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding: 0 8px 0 4px;
  border-block: 1px solid var(--hairline);
}

.code-tabs {
  display: flex;
}

.code-tabs__tab {
  height: 40px;
  padding: 0 10px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--ink-3);
  font: 500 12px/1 var(--font-mono);
}

.code-tabs__tab[aria-selected="true"] {
  border-bottom-color: var(--action);
  color: var(--ink);
}

.copy-button {
  height: 26px;
  padding: 0 8px;
  border: 1px solid var(--ink-4);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--ink);
  font: 400 11px/1 var(--font-mono);
}

.code-block {
  min-height: 150px;
  overflow: auto;
  padding: 16px 20px;
  background: var(--code-bg);
  font: 400 13px/1.7 var(--font-mono);
  color: var(--ink);
}

/* 03 Playground ------------------------------------------------------------ */
.playground__badge {
  padding: 5px 8px;
}

.playground {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--surface);
}

@media (min-width: 900px) {
  .playground {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

.playground__controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  border-right: 1px solid var(--hairline);
}

.playground__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font: 500 13px/1 var(--font-sans);
}

.playground__field-row {
  display: flex;
  justify-content: space-between;
}

.playground__value {
  font: 400 13px/1 var(--font-mono);
}

.playground__select {
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--surface-2);
  color: var(--ink);
  font: 400 14px/1 var(--font-mono);
}

.playground__range {
  accent-color: var(--action);
}

/* On/off switch: <button role="switch" aria-checked> */
.switch {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ink);
  font: 500 13px/1 var(--font-sans);
}

.switch__track {
  position: relative;
  width: 36px;
  height: 22px;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-pill);
  background: transparent;
}

.switch__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--ink);
}

.switch[aria-checked="true"] .switch__track {
  background: var(--action);
}

.switch[aria-checked="true"] .switch__thumb {
  left: 16px;
}

.playground__params {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
  font: 400 12px/1.4 var(--font-mono);
  color: var(--ink-3);
}

.playground__main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.playground__input {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border-bottom: 1px solid var(--hairline);
}

.playground__input-label {
  font: 500 11px/1 var(--font-mono);
  color: var(--ink-3);
}

.playground__textarea {
  padding: 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-control);
  background: var(--code-bg);
  color: var(--ink);
  font: 400 15px/1.5 var(--font-mono);
  resize: vertical;
}

.playground__run-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.playground__run {
  height: 40px;
  border-color: var(--action);
}

.playground__hint {
  font: 400 12px/1 var(--font-mono);
  color: var(--ink-3);
}

.playground__output {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 260px; /* 220px + padding */
  padding: 20px;
  background: var(--machine-tint);
}

.playground__output-head {
  display: flex;
  justify-content: space-between;
  font: 500 11px/1 var(--font-mono);
  color: var(--machine-ink);
}

.playground__answer {
  max-width: 68ch;
  font: 400 16px/1.65 var(--font-sans);
}

.playground__citations {
  overflow: auto;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--code-bg);
  font: 400 12px/1.6 var(--font-mono);
  color: var(--ink-2);
}

.playground__result {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: auto;
  font: 400 12px/1 var(--font-mono);
  color: var(--ink-2);
}

.dev-main .playground__code-link,
.dev-main .playground__code-link:hover {
  margin-left: auto;
  font: 600 14px/1 var(--font-sans);
  color: var(--action);
}

/* 04 Models ----------------------------------------------------------------- */
.models__note {
  margin-top: 12px;
  font: 400 13px/1.5 var(--font-mono);
  color: var(--ink-3);
}

.model-tile {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.model-tile__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.model-tile__name {
  font: 500 20px/1 var(--font-mono);
}

.model-tile__id {
  font: 400 12px/1 var(--font-mono);
  color: var(--ink-3);
}

.model-tile__desc {
  min-height: 45px;
  font: 400 15px/1.5 var(--font-sans);
  color: var(--ink-2);
}

.model-tile__link {
  margin-top: auto;
  font: 500 14px/1 var(--font-sans);
}

/* Horizontal bar with optional confidence-interval whisker */
.metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.metric__row {
  display: flex;
  justify-content: space-between;
  font: 400 12px/1 var(--font-mono);
}

.metric__key {
  color: var(--ink-2);
}

.metric__value {
  font-variant-numeric: tabular-nums;
}

.metric__track {
  position: relative;
  height: 6px;
  border-radius: 3px;
  background: var(--surface-sunken);
}

.metric__fill {
  width: var(--value);
  height: 6px;
  border-radius: 3px;
  background: var(--ink);
}

.metric__ci {
  position: absolute;
  top: -3px;
  left: var(--ci-start);
  width: var(--ci-width);
  height: 12px;
  border-inline: 1px solid var(--machine-ink);
}

/* 05 SDKs & limits / 06 Changelog & status: two columns ----------------- */
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 40px 64px;
}

.split__col {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.split__note {
  font: 400 12px/1.5 var(--font-mono);
  color: var(--ink-3);
}

.sdk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sdk-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 14px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-control);
  background: var(--surface);
  text-decoration: none;
}

.sdk-card:hover {
  border-color: var(--ink);
}

.sdk-card__name {
  font: 600 15px/1 var(--font-sans);
}

.sdk-card__pkg {
  font: 400 12px/1.3 var(--font-mono);
  color: var(--ink-3);
}

.rate-table-wrap {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-control);
}

.rate-table {
  width: 100%;
  min-width: 420px;
  font: 400 14px/1.3 var(--font-mono);
}

.rate-table th,
.rate-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: baseline;
}

.rate-table th {
  border-bottom: 1px solid var(--hairline);
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-3);
}

.rate-table td {
  border-bottom: 1px solid var(--surface-sunken);
}

.rate-table .is-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.rate-table__unlock {
  font-family: var(--font-sans);
  color: var(--ink-3);
}

/* 06 Changelog ----------------------------------------------------------- */
.changelog {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.changelog__entry {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
}

.changelog__date {
  font: 400 13px/1.4 var(--font-mono);
  color: var(--ink-3);
}

.changelog__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.changelog__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.changelog__tag {
  padding: 4px 6px;
  border-radius: var(--radius-xs);
  font: 600 11px/1 var(--font-mono);
}

.changelog__tag--new         { background: var(--action);       color: var(--on-action); }
.changelog__tag--improved    { background: var(--machine-tint); color: var(--machine-ink); }
.changelog__tag--deprecation { background: var(--warning-tint); color: var(--warning); }

.changelog__title {
  font: 600 16px/1.3 var(--font-sans);
}

.changelog__text {
  font: 400 14px/1.5 var(--font-sans);
  color: var(--ink-2);
}

/* Changelog subscription */
.subscribe {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.subscribe__input {
  flex: 1;
  width: auto;
  min-width: 200px;
  height: 46px;
}

.subscribe__button {
  height: 44px;
  border-color: var(--ink);
  background: transparent;
}

.subscribe__hint {
  font: 400 12px/1.4 var(--font-mono);
  color: var(--ink-3);
}

.subscribe__done {
  font: 400 14px/1.5 var(--font-sans);
  color: var(--success);
}

/* Status panel ------------------------------------------------------------ */
.status-panel {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.status-panel__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.status-panel__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--surface-sunken);
  font: 400 15px/1 var(--font-sans);
}

.status-panel__state {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 400 13px/1 var(--font-mono);
}

.status-panel__link {
  padding: 16px 20px;
  font: 500 14px/1 var(--font-sans);
}