:root {
  --bg: #0A0B0F;
  --bg-2: #0F1116;
  --line: #1E2230;
  --line-2: #2A2F40;
  --ink: #E6E8EF;
  --ink-2: #B4B8C5;
  --mute: #6B7080;
  --mute-2: #4A4F60;
  --green: #46E49E;
  --amber: #F2B544;
  --violet: #8B5CF6;
  --red: #E44C4C;
  --f-display: 'Space Grotesk', sans-serif;
  --f-mono: 'JetBrains Mono', monospace;
  --max: 1320px;
  --pad: 32px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-mono);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--green); color: #0A0B0F; }
a { color: inherit; text-decoration: none; }

/* ===== Header ===== */
.doc-head {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
  position: sticky;
  top: 0;
  background: rgba(10,11,15,0.92);
  backdrop-filter: blur(10px);
  z-index: 50;
}
.doc-head-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  gap: 24px;
}
.doc-head .word {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.04em;
  display: inline-flex;
  align-items: baseline;
}
.doc-head .word .br {
  color: var(--green);
  display: inline-block;
  transform: translateY(-2px) rotate(-3deg);
  position: relative;
}
.doc-head .word .br::before {
  content: "";
  position: absolute; left: -2px; right: -1px; top: 50%;
  height: 1px; background: var(--green);
}
.doc-head .title {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}
.doc-head .title .acc { color: var(--green); }
.doc-toc {
  margin-left: auto;
  display: flex;
  gap: 18px;
}
.doc-toc a {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}
.doc-toc a:hover { color: var(--green); }

/* ===== Section ===== */
.sec {
  border-bottom: 1px solid var(--line);
  padding: 72px 0;
}
.sec-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.sec-head {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  margin-bottom: 40px;
}
.sec-label {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mute);
  display: flex;
  align-items: center;
  gap: 14px;
}
.sec-label .num { color: var(--green); }
.sec-label .line { display: inline-block; width: 24px; height: 1px; background: var(--green); }
.sec-title {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 32px;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 14px 0 0;
}
.sec-lead {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.65;
  max-width: 720px;
}

/* ===== Framed card ===== */
.frame {
  border: 1px solid var(--line);
  background: var(--bg-2);
  position: relative;
}
.frame.lightbg .frame-body { background: #F4F4EE; }
.frame.lightbg .frame-body * { color: #0A0B0F; }
.frame-top {
  height: 28px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 10px;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}
.frame-top .dot {
  width: 6px; height: 6px; background: var(--green); border-radius: 50%;
}
.frame-top .name { color: var(--ink-2); }
.frame-top .meta { margin-left: auto; color: var(--mute-2); font-size: 9px; }
.frame-body {
  padding: 32px;
  display: grid;
  place-items: center;
  min-height: 240px;
}
.frame-foot {
  border-top: 1px solid var(--line);
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}
.frame-foot .acc { color: var(--green); }
.frame-foot a {
  color: var(--green);
  border: 1px solid var(--line-2);
  padding: 3px 8px;
  letter-spacing: 0.12em;
}
.frame-foot a:hover { border-color: var(--green); }

/* ===== Logo masters grid (01) ===== */
.logo-masters {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

/* ===== Favicon scale row (02) ===== */
.favi-scale {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
.fav {
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 24px 16px 14px;
  text-align: center;
  display: grid;
  grid-template-rows: 1fr auto auto;
  gap: 12px;
  min-height: 200px;
}
.fav .display {
  display: grid;
  place-items: center;
  min-height: 90px;
}
.fav .size {
  font-family: var(--f-display);
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 600;
}
.fav .size .unit { font-size: 11px; color: var(--mute); letter-spacing: 0.18em; margin-left: 2px; }
.fav .role {
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}
.fav .role .acc { color: var(--green); }

/* ===== Tab/dock mocks (03) ===== */
.mock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.mock-card {
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 22px;
}
.mock-card .label {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
}
.mock-card .label .acc { color: var(--green); }

/* Chrome-style tab strip */
.tab-strip {
  background: #202124;
  padding: 8px 8px 0;
  display: flex;
  gap: 1px;
  border-radius: 4px 4px 0 0;
}
.tab-strip.light {
  background: #DEE1E6;
}
.tab {
  background: #35363A;
  color: #E8EAED;
  font-family: var(--f-mono);
  font-size: 12px;
  padding: 8px 10px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 6px 6px 0 0;
  min-width: 180px;
  max-width: 240px;
}
.tab.active {
  background: #2A2B2E;
  color: #fff;
}
.tab-strip.light .tab { background: #C8CCD0; color: #3C4043; }
.tab-strip.light .tab.active { background: #fff; color: #202124; }
.tab .ttl {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}
.tab .close { color: #9AA0A6; }
.url-bar {
  background: #2A2B2E;
  padding: 6px 12px;
  font-size: 11px;
  color: #9AA0A6;
  border-radius: 0 0 4px 4px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.tab-strip.light + .url-bar { background: #fff; color: #5F6368; border-top-color: #DEE1E6; }

/* macOS dock */
.dock {
  background: linear-gradient(180deg, rgba(40,40,50,0.7), rgba(20,20,30,0.85));
  backdrop-filter: blur(10px);
  border-radius: 18px;
  padding: 10px 14px;
  display: flex;
  gap: 14px;
  align-items: center;
  border: 1px solid rgba(255,255,255,0.1);
}
.dock .app {
  width: 52px; height: 52px;
  border-radius: 11px;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: #1c1e22;
}
.dock .app.placeholder { background: linear-gradient(135deg, #2F3036, #1A1C1F); }
.dock .sep {
  width: 1px;
  height: 38px;
  background: rgba(255,255,255,0.15);
}

/* iOS home grid */
.ios-grid {
  background:
    radial-gradient(ellipse at top, #45356b 0%, #1a1530 60%, #0a0814 100%);
  padding: 28px 24px;
  border-radius: 38px;
  border: 1px solid #2A2640;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px 12px;
  position: relative;
}
.ios-grid .app {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.ios-grid .app .ic {
  width: 52px; height: 52px;
  border-radius: 12px;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.ios-grid .app.placeholder .ic { background: linear-gradient(135deg, #5a4080, #2a1f50); }
.ios-grid .app .nm {
  font-size: 10px;
  color: #fff;
  font-family: -apple-system, sans-serif;
  letter-spacing: 0;
}

/* Discord server list */
.discord {
  background: #1E1F22;
  padding: 16px 0;
  display: grid;
  gap: 8px;
  border-radius: 10px;
}
.discord .row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 14px;
}
.discord .pill {
  position: relative;
  width: 4px;
  align-self: stretch;
  background: transparent;
}
.discord .row.active .pill { background: #fff; border-radius: 0 4px 4px 0; }
.discord .ic {
  width: 48px; height: 48px;
  border-radius: 50%;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: #313338;
  cursor: pointer;
  transition: border-radius 100ms ease;
}
.discord .row.active .ic { border-radius: 16px; }
.discord .ic.placeholder { background: #5865F2; color: #fff; font-weight: 700; font-size: 18px; font-family: var(--f-display); }
.discord .nm {
  font-size: 12px;
  color: #B5BAC1;
  font-family: var(--f-mono);
}

/* ===== Manifest code (04) ===== */
.code-card {
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.code-card .hdr {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}
.code-card .hdr .acc { color: var(--green); }
.code-card .body {
  padding: 18px 20px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-2);
  font-family: var(--f-mono);
  white-space: pre;
  overflow-x: auto;
}
.code-card .body .k { color: var(--green); }
.code-card .body .s { color: var(--amber); }
.code-card .body .b { color: var(--violet); }
.code-card .body .c { color: var(--mute); }
.code-card .body .tag { color: var(--violet); }
.code-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ===== Download table (05) ===== */
.dl-table {
  border: 1px solid var(--line);
  background: var(--bg-2);
  font-family: var(--f-mono);
  font-size: 12px;
}
.dl-row {
  display: grid;
  grid-template-columns: 160px 110px 1fr 100px 140px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 14px 18px;
}
.dl-row:last-child { border-bottom: none; }
.dl-row.head {
  background: var(--bg);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}
.dl-row .name { color: var(--green); }
.dl-row .size { color: var(--ink-2); }
.dl-row .use { color: var(--ink-2); }
.dl-row .fmt { color: var(--mute); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; }
.dl-row .dl a {
  color: var(--green);
  border: 1px solid var(--line-2);
  padding: 5px 10px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.dl-row .dl a:hover { border-color: var(--green); }

/* ===== ICO export note ===== */
.note-card {
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.note-card h4 {
  font-family: var(--f-display);
  font-size: 18px;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: var(--ink);
}
.note-card p {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.6;
  margin: 0 0 12px;
}
.note-card .step {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}
.note-card .step:first-of-type { border-top: none; padding-top: 4px; }
.note-card .step .n { color: var(--green); font-size: 11px; letter-spacing: 0.18em; }
.note-card .step .b { font-size: 12px; color: var(--ink-2); line-height: 1.55; }
.note-card .step .b code {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 1px 5px;
  color: var(--green);
  font-size: 11px;
}

/* ===== Footer ===== */
.doc-foot {
  padding: 56px 0;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}
.doc-foot .acc { color: var(--green); }
.doc-foot a {
  display: inline-block;
  margin: 0 12px;
  color: var(--mute);
}
.doc-foot a:hover { color: var(--green); }

@media (max-width: 980px) {
  :root { --pad: 20px; }
  .sec-head { grid-template-columns: 1fr; gap: 16px; }
  .logo-masters, .mock-grid, .code-grid { grid-template-columns: 1fr; }
  .favi-scale { grid-template-columns: repeat(3, 1fr); }
  .note-card { grid-template-columns: 1fr; gap: 16px; }
  .dl-row { grid-template-columns: 1fr; gap: 4px; padding: 14px; }
  .doc-toc { display: none; }
}