/* Ana Terminal 웹사이트 공통 스타일 (앱과 같은 어두운 터미널 톤) */
:root {
  --bg: #0a0d12;
  --panel: #10141b;
  --panel-2: #161c26;
  --border: #232b38;
  --text: #e6ebf2;
  --muted: #8a96a8;
  --accent: #f5a623;
  --accent-ink: #1a1203;
  --up: #ff4d4f;
  --down: #3b82f6;
  --ok: #3fbf6f;
  --radius: 10px;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }
code, kbd, .mono { font-family: var(--mono); }
code {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.9em;
}
kbd {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 0 6px;
  font-size: 0.85em;
}
pre {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.9em;
}
pre code { background: none; border: 0; padding: 0; }

.container { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* 상단 바 */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10, 13, 18, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; letter-spacing: 0.08em; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 7px;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center; font-family: var(--mono); font-weight: 800; font-size: 15px; letter-spacing: 0;
}
.nav { display: flex; gap: 20px; font-size: 0.95em; }
.nav a { color: var(--muted); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); text-decoration: none; }

/* 버튼 */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 8px; font-weight: 600;
  border: 1px solid var(--border); color: var(--text); background: var(--panel-2);
}
.btn:hover { text-decoration: none; border-color: #3a4558; }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover { background: #ffb53d; border-color: #ffb53d; }
.btn small { font-weight: 400; opacity: 0.75; }

/* 히어로 */
.hero { padding: 72px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--accent); font-family: var(--mono); font-size: 0.85em; letter-spacing: 0.12em; }
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); line-height: 1.2; margin: 12px 0 16px; letter-spacing: -0.01em; }
.hero p.lead { color: var(--muted); font-size: 1.1em; margin: 0 0 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { color: var(--muted); font-size: 0.85em; margin-top: 14px; }

/* 앱 화면 모형 */
.mock {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55); overflow: hidden; font-size: 12px;
}
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: var(--panel-2); border-bottom: 1px solid var(--border); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #3a4558; display: block; }
.mock-bar span { margin-left: 8px; color: var(--muted); font-family: var(--mono); letter-spacing: 0.1em; font-size: 11px; }
.mock-body { display: grid; grid-template-columns: 1fr 1.4fr; gap: 1px; background: var(--border); }
.mock-pane { background: var(--panel); padding: 10px 12px; }
.mock-pane h4 { margin: 0 0 6px; font-size: 11px; color: var(--muted); font-weight: 600; letter-spacing: 0.06em; }
.mock-row { display: flex; justify-content: space-between; font-family: var(--mono); padding: 2px 0; }
.mock-row .n { font-family: var(--sans); color: var(--text); }
.up { color: var(--up); }
.down { color: var(--down); }
.mock-chart { grid-row: span 2; }
.mock-chart svg { display: block; width: 100%; height: auto; }
.badge {
  display: inline-block; font-size: 10px; padding: 0 5px; border-radius: 3px;
  background: #262c36; color: #aab4c3; margin-left: 4px; font-family: var(--sans);
}
.badge.open { background: #123320; color: #4ade80; }
.badge.delay { background: #3a2e00; color: #ffcf5a; }

/* 섹션 */
section { padding: 56px 0; }
section h2 { font-size: 1.7rem; margin: 0 0 10px; }
section p.sub { color: var(--muted); margin: 0 0 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95em; }
.card .icon { font-family: var(--mono); color: var(--accent); font-size: 0.85em; letter-spacing: 0.08em; margin-bottom: 10px; }

.sources { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--border); background: var(--panel); border-radius: 999px; padding: 5px 12px; font-size: 0.9em; color: var(--muted); }
.chip b { color: var(--text); font-weight: 600; }

/* 다운로드 */
.downloads { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.dl {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; display: flex; flex-direction: column; gap: 10px;
}
.dl.recommended { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.dl h3 { margin: 0; font-size: 1.1rem; }
.dl .meta { color: var(--muted); font-size: 0.88em; }
.dl .btn { justify-content: center; margin-top: auto; }
.dl .sha { font-family: var(--mono); font-size: 0.72em; color: #5d6878; word-break: break-all; }
.rec-label { color: var(--accent); font-size: 0.8em; font-weight: 600; }
.notice { background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 8px; padding: 14px 16px; color: var(--muted); font-size: 0.93em; }
.notice b { color: var(--text); }

/* 표 */
table { width: 100%; border-collapse: collapse; font-size: 0.93em; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; background: var(--panel); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.table-wrap table th:first-child, .table-wrap table td:first-child { padding-left: 16px; }

/* 사용설명서 */
.manual { display: grid; grid-template-columns: 240px 1fr; gap: 40px; padding: 40px 0 80px; }
.toc { position: sticky; top: 84px; align-self: start; font-size: 0.92em; max-height: calc(100vh - 100px); overflow: auto; }
.toc h4 { margin: 0 0 10px; color: var(--muted); font-size: 0.8em; letter-spacing: 0.12em; }
.toc ol { list-style: none; padding: 0; margin: 0; counter-reset: toc; }
.toc li { margin: 2px 0; }
.toc a { color: var(--muted); display: block; padding: 4px 10px; border-left: 2px solid transparent; }
.toc a:hover { color: var(--text); text-decoration: none; border-left-color: var(--border); }
.doc h1 { font-size: 2rem; margin: 0 0 8px; }
.doc h2 { font-size: 1.4rem; margin: 48px 0 12px; padding-top: 8px; border-top: 1px solid var(--border); scroll-margin-top: 80px; }
.doc h3 { font-size: 1.1rem; margin: 28px 0 8px; scroll-margin-top: 80px; }
.doc p, .doc li { color: #c9d1dc; }
.doc ol li, .doc ul li { margin: 4px 0; }
.layout-figure { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.layout-figure .lf { display: grid; grid-template-columns: 1fr 1.6fr 1fr; grid-template-rows: auto 1fr 1fr auto; gap: 6px; height: 260px; font-size: 0.85em; }
.layout-figure .lf div { background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; display: grid; place-items: center; color: var(--muted); text-align: center; padding: 4px; }
.layout-figure .lf .top { grid-column: 1 / 4; }
.layout-figure .lf .chart { grid-row: 2 / 4; }
.layout-figure .lf .quote { grid-row: 2 / 4; }
.layout-figure .lf .status { grid-column: 1 / 4; }
.layout-figure .lf b { color: var(--accent); font-family: var(--mono); margin-right: 4px; }

/* 푸터 */
footer { border-top: 1px solid var(--border); padding: 28px 0 40px; color: var(--muted); font-size: 0.88em; }
footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3, .downloads { grid-template-columns: 1fr; }
  .manual { grid-template-columns: 1fr; }
  .toc { position: static; max-height: none; }
  .nav { gap: 14px; }
}
@media (max-width: 520px) {
  .nav a.hide-sm { display: none; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-chart { grid-row: auto; }
}