/* claude-code-usage-dashboard — docs site.
   대시보드 UI와 같은 토큰을 쓴다: 밝은 회백 캔버스, bedrock 파랑 / enterprise 초록.
   빌드 단계 없음 — 정적 HTML + 이 파일 하나. */

:root {
  --canvas: #f4f6f9;
  --surface: #ffffff;
  --ink: #0f172a;
  --ink-soft: #46526b;
  --ink-mute: #6d7789;
  --line: #e2e8f0;
  --bedrock: #4a63be;
  --bedrock-bright: #6183f0;
  --enterprise: #2f7a5e;
  --enterprise-bright: #3f9c79;
  --code-bg: #f1f4f9;
  --radius: 14px;
  --wrap: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #0d1117;
    --surface: #151b24;
    --ink: #e8ecf3;
    --ink-soft: #b3bccd;
    --ink-mute: #8b94a7;
    --line: #232c39;
    --bedrock: #8ba4f7;
    --bedrock-bright: #8ba4f7;
    --enterprise: #66c19f;
    --enterprise-bright: #66c19f;
    --code-bg: #10161f;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

/* — top bar / tabs — */
header.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.top .wrap {
  display: flex;
  align-items: center;
  gap: 26px;
  min-height: 62px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.brand .mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--bedrock-bright);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

nav.tabs {
  display: flex;
  gap: 4px;
  margin-left: auto;
  flex-wrap: wrap;
}

nav.tabs a {
  padding: 7px 13px;
  border-radius: 100px;
  color: var(--ink-mute);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  white-space: nowrap;
}

nav.tabs a:hover {
  color: var(--ink);
  background: var(--surface);
}

nav.tabs a[aria-current="page"] {
  color: var(--bedrock);
  background: color-mix(in srgb, var(--bedrock-bright) 12%, transparent);
  font-weight: 600;
}

/* — hero — */
.hero {
  padding: 64px 0 8px;
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bedrock);
  margin: 0 0 14px;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.lede {
  margin: 0;
  max-width: 66ch;
  font-size: clamp(17px, 2.1vw, 20px);
  color: var(--ink-soft);
}

.video-frame {
  margin: 34px 0 8px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 10px;
  overflow: hidden;
}

.video-frame video {
  display: block;
  width: 100%;
  height: auto;
  /* 메타데이터 로드 전에도 박스가 접히지 않게 종횡비를 고정한다(포스터와 동일한 16:9). */
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  background: var(--canvas);
}

.caption {
  margin: 10px 2px 0;
  font-size: 13.5px;
  color: var(--ink-mute);
}

/* — sections — */
section {
  padding: 46px 0;
  border-top: 1px solid var(--line);
}

section:first-of-type {
  border-top: none;
}

h2 {
  margin: 0 0 8px;
  font-size: clamp(23px, 3vw, 30px);
  letter-spacing: -0.02em;
  font-weight: 700;
}

h3 {
  margin: 32px 0 8px;
  font-size: 19px;
  letter-spacing: -0.01em;
  font-weight: 600;
}

p {
  margin: 0 0 14px;
  color: var(--ink-soft);
  max-width: 74ch;
}

a {
  color: var(--bedrock);
}

ul,
ol {
  color: var(--ink-soft);
  max-width: 74ch;
  padding-left: 22px;
}

li {
  margin: 5px 0;
}

code {
  font-family: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
}

pre {
  margin: 0 0 18px;
  padding: 16px 18px;
  border-radius: 12px;
  background: var(--code-bg);
  border: 1px solid var(--line);
  overflow-x: auto;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13.5px;
  line-height: 1.6;
}

/* — KPI tiles — */
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin: 26px 0 6px;
}

.tile {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.tile .k {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.tile .v {
  margin-top: 8px;
  font-size: 33px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--bedrock);
}

.tile.green .v {
  color: var(--enterprise);
}

.tile .n {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-mute);
}

/* — cards / groups — */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 16px;
  margin: 24px 0 4px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}

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

.card p:last-child {
  margin-bottom: 0;
}

.card.bedrock {
  border-color: color-mix(in srgb, var(--bedrock-bright) 45%, var(--line));
}

.card.enterprise {
  border-color: color-mix(in srgb, var(--enterprise-bright) 45%, var(--line));
}

.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: 1px;
}

/* — tables — */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  margin: 20px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

th,
td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  white-space: nowrap;
}

td {
  color: var(--ink-soft);
}

tr:last-child td {
  border-bottom: none;
}

td code {
  white-space: nowrap;
}

/* — screenshot gallery — */
.shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
  margin: 26px 0 0;
}

figure {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
}

figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--line);
}

figcaption {
  padding: 10px 6px 3px;
  font-size: 13.5px;
  color: var(--ink-mute);
}

/* — pipeline diagram (CSS only, no JS/CDN) — */
.pipe {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-wrap: wrap;
  margin: 26px 0 8px;
}

.pipe .stage {
  flex: 1 1 190px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.pipe .stage b {
  display: block;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.pipe .stage span {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  color: var(--ink-mute);
}

.pipe .arrow {
  flex: 0 0 34px;
  display: grid;
  place-items: center;
  color: var(--bedrock);
  font-size: 18px;
}

.note {
  border-left: 3px solid var(--bedrock-bright);
  background: color-mix(in srgb, var(--bedrock-bright) 6%, transparent);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
  margin: 20px 0;
}

.note p:last-child {
  margin-bottom: 0;
}

footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 60px;
  color: var(--ink-mute);
  font-size: 14px;
}

footer a {
  color: var(--ink-mute);
}

@media (max-width: 640px) {
  .pipe .arrow {
    flex-basis: 100%;
    transform: rotate(90deg);
    padding: 4px 0;
  }
  .hero {
    padding-top: 40px;
  }
}