/* Comad Guide — fey.com aesthetic reference */

:root {
  --bg: #000;
  --surface: rgba(255,255,255,0.04);
  --surface-2: rgba(255,255,255,0.06);
  --surface-3: rgba(255,255,255,0.10);
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.16);
  --text: #fff;
  --text-dim: #868F97;
  --text-muted: #525863;
  --accent: #479FFA;
  --accent-soft: rgba(71,159,250,0.12);
  --warm: #FFA16C;
  --warm-deep: #551B10;
  --lime: #D6FE51;

  --shadow-card: 0 12px 40px rgba(0,0,0,0.32);
  --shadow-shot: 0 34px 56px rgba(0,0,0,0.42);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Pretendard Variable', 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(97,102,220,0.32); }
img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--text); }

/* Background ambience */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 60vw 50vh at 20% 0%, rgba(71,159,250,0.10), transparent 60%),
    radial-gradient(ellipse 50vw 40vh at 100% 20%, rgba(255,161,108,0.06), transparent 55%);
  pointer-events: none; z-index: 0;
}

/* Top bar — glassmorphic sticky */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  height: 60px;
  display: flex; align-items: center;
  padding: 0 2rem;
  gap: 1.5rem;
}
.topbar .brand { font-weight: 600; color: var(--text); font-size: 0.95rem; letter-spacing: -0.01em; }
.topbar .brand .sub { color: var(--text-dim); font-weight: 400; margin-left: 0.45rem; font-size: 0.82rem; }
.topbar nav { margin-left: auto; display: flex; gap: 0.15rem; overflow-x: auto; }
.topbar nav::-webkit-scrollbar { display: none; }
.topbar nav a {
  color: var(--text-dim);
  padding: 0.55rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 99px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.topbar nav a:hover { color: var(--text); background: var(--surface); }
.topbar nav a.active { color: var(--text); background: var(--surface-2); }

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 3rem;
  max-width: 1220px;
  margin: 0 auto;
  padding: 3rem 2.5rem 6rem;
  position: relative; z-index: 1;
}

aside.toc {
  position: sticky; top: 80px; align-self: start;
  max-height: calc(100vh - 100px); overflow: auto;
  font-size: 0.86rem;
  padding: 0.5rem 0 1rem;
}
aside.toc::-webkit-scrollbar { width: 6px; }
aside.toc::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
aside.toc .toc-title {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--text-muted); margin-bottom: 0.9rem; font-weight: 600;
}
aside.toc a {
  display: block; color: var(--text-dim);
  padding: 0.35rem 0.8rem;
  border-left: 1px solid var(--border);
  line-height: 1.5;
}
aside.toc a:hover { color: var(--text); border-left-color: var(--border-strong); }
aside.toc a.active { color: var(--text); border-left-color: var(--accent); }

main { min-width: 0; max-width: 780px; }

/* Page heading */
.page-hero { margin-bottom: 4rem; }
h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.2rem);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1.2rem;
}
h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--warm) 10%, var(--warm-deep) 90%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.page-desc {
  color: var(--text-dim);
  font-size: 1.13rem;
  line-height: 1.55;
  max-width: 640px;
}

/* Section */
h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  color: var(--text);
  margin: 4rem 0 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
h2:first-of-type { padding-top: 0; border-top: none; margin-top: 0; }
h3 {
  font-size: 1.2rem;
  color: var(--text);
  margin: 2.2rem 0 0.8rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
h4 { font-size: 1rem; color: var(--text); margin: 1.4rem 0 0.5rem; font-weight: 600; }
p { margin-bottom: 1rem; color: var(--text-dim); font-size: 1rem; line-height: 1.65; }
p strong, li strong { color: var(--text); font-weight: 600; }

ul, ol { margin: 0.8rem 0 1.4rem 1.4rem; color: var(--text-dim); }
li { margin-bottom: 0.4rem; line-height: 1.65; }

/* Feature card — glass */
.feature {
  background: var(--surface);
  backdrop-filter: blur(21px);
  -webkit-backdrop-filter: blur(21px);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.6rem 1.8rem;
  margin: 1.6rem 0;
  box-shadow: var(--shadow-card);
}
.feature > h3:first-child { margin-top: 0; }
.feature > h4:first-child { margin-top: 0; }

.tag-row { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.8rem; }
.tag {
  background: var(--surface-2);
  color: var(--text-dim);
  padding: 0.2rem 0.7rem; border-radius: 99px;
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.02em;
  border: 1px solid var(--border);
}
.tag.accent { color: var(--accent); border-color: rgba(71,159,250,0.3); }
.tag.warm { color: var(--warm); border-color: rgba(255,161,108,0.3); }
.tag.lime { color: var(--lime); border-color: rgba(214,254,81,0.3); }

/* Code */
pre, .code {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text);
  margin: 1rem 0 1.4rem;
}
code {
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.86em;
  background: var(--surface-2);
  padding: 0.12rem 0.38rem;
  border-radius: 5px;
  color: var(--text);
  border: 1px solid var(--border);
}
pre code { background: transparent; padding: 0; font-size: inherit; border: none; }
pre .dim { color: var(--text-muted); }
pre .hl  { color: var(--warm); }
pre .kw  { color: var(--accent); }

/* Screenshot */
figure.shot {
  margin: 1.2rem 0 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-shot);
}
figure.shot img { width: 100%; display: block; }
figure.shot figcaption {
  font-size: 0.8rem;
  color: var(--text-dim);
  padding: 0.7rem 1rem;
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,0.3);
}
figure.shot.placeholder {
  min-height: 200px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  background:
    linear-gradient(135deg, rgba(71,159,250,0.05), rgba(255,161,108,0.03) 50%, transparent),
    repeating-linear-gradient(45deg, transparent 0 20px, rgba(255,255,255,0.02) 20px 21px);
  text-align: center;
  padding: 2rem;
}

/* Callouts */
.callout {
  background: var(--accent-soft);
  border-left: 2px solid var(--accent);
  padding: 0.95rem 1.1rem;
  margin: 1.2rem 0;
  border-radius: 0 10px 10px 0;
  font-size: 0.93rem;
  color: var(--text);
  line-height: 1.6;
}
.callout.warm { background: rgba(255,161,108,0.08); border-left-color: var(--warm); }
.callout.lime { background: rgba(214,254,81,0.07); border-left-color: var(--lime); }

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.6rem;
  font-size: 0.88rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
th, td { text-align: left; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255,255,255,0.02);
}
td { color: var(--text-dim); }
td:first-child code, td:first-child strong { color: var(--text); }

/* Hub index */
.hub-wrap { max-width: 1220px; margin: 0 auto; padding: 4rem 2.5rem 6rem; position: relative; z-index: 1; }
.hub-hero { max-width: 780px; margin-bottom: 3rem; }
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
}
.hub-card {
  background: var(--surface);
  backdrop-filter: blur(21px);
  -webkit-backdrop-filter: blur(21px);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.6rem 1.75rem;
  color: var(--text);
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
  display: flex; flex-direction: column; gap: 0.35rem;
}
.hub-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
  transform: translateY(-2px);
  color: var(--text); text-decoration: none;
}
.hub-card .kb {
  color: var(--accent);
  font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  margin-bottom: 0.2rem;
}
.hub-card h3 { color: var(--text); font-size: 1.15rem; font-weight: 600; letter-spacing: -0.01em; margin: 0; }
.hub-card h3 .ko { color: var(--text-dim); font-weight: 400; font-size: 0.88rem; margin-left: 0.4rem; }
.hub-card p { color: var(--text-dim); font-size: 0.88rem; margin: 0.2rem 0 0; line-height: 1.55; }

/* Pill button */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.2rem; border-radius: 99px;
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-size: 0.88rem; font-weight: 500;
  transition: background 0.2s, border-color 0.2s;
}
.btn:hover { background: var(--surface-2); border-color: rgba(255,255,255,0.25); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #000; }
.btn.primary:hover { background: #6ab0ff; border-color: #6ab0ff; color: #000; }

/* Page footer */
footer.page-foot {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  padding: 3rem 1.5rem 4rem;
  border-top: 1px solid var(--border);
  margin-top: 5rem;
  position: relative; z-index: 1;
}
footer.page-foot a { color: var(--text-dim); }
footer.page-foot a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; gap: 1.5rem; padding: 2rem 1.5rem 4rem; }
  aside.toc { display: none; }
  .topbar { padding: 0 1.25rem; }
  .topbar nav { font-size: 0.78rem; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; margin-top: 3rem; padding-top: 1.5rem; }
  main { max-width: 100%; }
}

/* Data tables (used by extensions.html, studio.html) */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.88rem;
  background: var(--surface);
  border-radius: 8px;
  overflow: hidden;
}
.data-table th,
.data-table td {
  padding: 0.7rem 0.9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.data-table th {
  background: var(--surface2);
  color: var(--text-bright);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover { background: rgba(255,255,255,0.02); }
.data-table code { font-size: 0.82rem; background: var(--surface2); padding: 0.1rem 0.35rem; border-radius: 3px; }

/* Numbered ordered list with circles */
ol.numbered-flow {
  list-style: none;
  counter-reset: step;
  padding-left: 0;
  margin: 1rem 0;
}
ol.numbered-flow li {
  counter-increment: step;
  position: relative;
  padding: 0.6rem 0 0.6rem 2.6rem;
  margin-bottom: 0.3rem;
  line-height: 1.55;
}
ol.numbered-flow li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 0.55rem;
  width: 1.8rem; height: 1.8rem;
  background: var(--accent); color: #000;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem;
}