/* ============================================================
   iKMS Design System — modern UI for ikms.eu.org
   Brand: deep navy + orange/rose/teal gradient (from logo)
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", "JetBrains Mono",
    Consolas, Menlo, monospace;

  /* dark theme (default) */
  --bg: #0b1120;
  --bg-soft: #0e1628;
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-code: #0a0f1d;
  --bg-inset: rgba(255, 255, 255, 0.05);
  --border: rgba(148, 163, 190, 0.16);
  --border-strong: rgba(148, 163, 190, 0.3);
  --text: #e7ecf6;
  --text-2: #a3adc4;
  --text-3: #6e7a94;

  --brand-1: #fb923c; /* orange  */
  --brand-2: #fb7185; /* rose    */
  --accent: #2dd4bf;  /* teal    */
  --blue: #60a5fa;
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;

  --grad-brand: linear-gradient(135deg, #fdba74 0%, #fb7185 55%, #f43f5e 100%);
  --grad-accent: linear-gradient(135deg, #2dd4bf, #60a5fa);
  --grad-ring: conic-gradient(from 210deg, #38bdf8, #fbbf24, #fb7185, #2dd4bf, #38bdf8);

  --shadow-sm: 0 1px 2px rgba(2, 6, 17, 0.5);
  --shadow-md: 0 8px 24px -8px rgba(2, 6, 17, 0.55);
  --shadow-lg: 0 24px 60px -16px rgba(2, 6, 17, 0.7);
  --glow-brand: 0 0 40px -8px rgba(251, 113, 133, 0.35);
  --glow-accent: 0 0 40px -10px rgba(45, 212, 191, 0.3);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;

  --nav-h: 64px;
  --wrap: 1120px;

  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #f5f7fb;
  --bg-soft: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-code: #0e1628;
  --bg-inset: #eef2f9;
  --border: rgba(15, 34, 68, 0.1);
  --border-strong: rgba(15, 34, 68, 0.2);
  --text: #16203a;
  --text-2: #46536e;
  --text-3: #7c8aa5;

  --shadow-sm: 0 1px 2px rgba(23, 43, 84, 0.06);
  --shadow-md: 0 10px 28px -10px rgba(23, 43, 84, 0.14);
  --shadow-lg: 0 24px 60px -20px rgba(23, 43, 84, 0.22);
  --glow-brand: 0 12px 40px -12px rgba(251, 113, 133, 0.45);
  --glow-accent: 0 12px 40px -14px rgba(45, 212, 191, 0.4);

  color-scheme: light;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  transition: background 0.35s ease, color 0.35s ease;
}

img { max-width: 100%; height: auto; }

a {
  color: var(--blue);
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}
a:hover { color: var(--accent); }

::selection { background: rgba(251, 113, 133, 0.35); }

/* thin scrollbars */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; }
*::-webkit-scrollbar-track { background: transparent; }

.wrap {
  width: min(var(--wrap), 100% - 48px);
  margin-inline: auto;
}

@media (max-width: 640px) {
  .wrap { width: calc(100% - 36px); }
}

/* ---------- Ambient background ---------- */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.ambient::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 190, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 190, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 75%);
}
.ambient::after {
  content: "";
  position: absolute;
  width: 720px; height: 720px;
  border-radius: 50%;
  top: -320px; left: 50%;
  transform: translateX(-50%);
  background:
    radial-gradient(closest-side, rgba(251, 113, 133, 0.16), transparent 70%),
    radial-gradient(closest-side at 70% 60%, rgba(45, 212, 191, 0.12), transparent 70%),
    radial-gradient(closest-side at 30% 55%, rgba(96, 165, 250, 0.14), transparent 70%);
  filter: blur(10px);
}
[data-theme="light"] .ambient::before {
  background-image:
    linear-gradient(rgba(15, 34, 68, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 34, 68, 0.045) 1px, transparent 1px);
}
[data-theme="light"] .ambient::after { opacity: 0.55; }

/* ---------- Announcement bar ---------- */
.notice {
  position: relative;
  z-index: 60;
  background: linear-gradient(90deg, rgba(251, 146, 60, 0.14), rgba(251, 113, 133, 0.14), rgba(45, 212, 191, 0.14));
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-2);
}
.notice .wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 9px 0;
  flex-wrap: wrap;
  text-align: center;
}
.notice strong { color: var(--brand-1); font-weight: 600; }
.notice a { font-weight: 600; }
.notice-close {
  position: absolute;
  right: 8px; top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.notice-close:hover { background: var(--bg-inset); color: var(--text); }

/* ---------- Navbar ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav .wrap {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--text);
  letter-spacing: 0.2px;
  flex-shrink: 0;
}
.brand:hover { color: var(--text); }
.brand img {
  width: 30px; height: 30px;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--border), 0 4px 14px -4px rgba(251, 113, 133, 0.5);
}
.brand .tld { color: var(--text-3); font-weight: 500; font-size: 0.85em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.nav-links a {
  padding: 7px 13px;
  border-radius: 999px;
  color: var(--text-2);
  font-size: 0.94rem;
  white-space: nowrap;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav-links a:hover { color: var(--text); background: var(--bg-card-hover); }
.nav-links a.active {
  color: var(--text);
  background: var(--bg-card-hover);
  box-shadow: inset 0 0 0 1px var(--border);
}

.nav-actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.15s ease;
}
.icon-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.icon-btn svg { width: 18px; height: 18px; }
html[data-theme="dark"] .icon-sun { display: none; }
html[data-theme="light"] .icon-moon { display: none; }

.nav-burger { display: none; }

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: calc(var(--nav-h) + 1px);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px 16px 16px;
    background: color-mix(in srgb, var(--bg) 92%, transparent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; border-radius: 12px; font-size: 1rem; }
  .nav-burger { display: grid; }
}

/* ---------- Page shell ---------- */
.page {
  flex: 1;
  padding: 48px 0 72px;
}
@media (max-width: 640px) { .page { padding: 32px 0 56px; } }

.page-head { margin-bottom: 34px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-1);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  border-radius: 2px;
  background: var(--grad-brand);
}
.page-title {
  margin: 0 0 10px;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.page-sub {
  margin: 0;
  color: var(--text-2);
  font-size: 1.02rem;
  max-width: 720px;
}

/* ---------- Hero (index) ---------- */
.hero {
  padding: 84px 0 40px;
  text-align: center;
  position: relative;
}
@media (max-width: 640px) { .hero { padding: 56px 0 24px; } }

.hero-logo {
  display: block;
  margin-inline: auto;
  width: 84px; height: 84px;
  border-radius: 50%;
  margin-bottom: 26px;
  box-shadow: 0 18px 50px -12px rgba(251, 113, 133, 0.55);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-2);
  font-size: 0.86rem;
  margin-bottom: 22px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18); }
  50% { box-shadow: 0 0 0 6px rgba(52, 211, 153, 0.06); }
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}
.hero h1 .grad {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lede {
  margin: 0 auto 34px;
  max-width: 640px;
  color: var(--text-2);
  font-size: clamp(1rem, 2vw, 1.15rem);
}
.hero .lede strong { color: var(--text); font-weight: 600; }

/* ---------- Terminal / command card ---------- */
.term {
  max-width: 760px;
  margin: 0 auto;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: var(--bg-code);
  box-shadow: var(--shadow-lg), var(--glow-brand);
  text-align: left;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.term-bar .dots { display: flex; gap: 6px; }
.term-bar .dots i {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #ff5f56;
}
.term-bar .dots i:nth-child(2) { background: #ffbd2e; }
.term-bar .dots i:nth-child(3) { background: #27c93f; }
.term-bar .title {
  margin-inline: auto;
  font-size: 0.8rem;
  color: #8b96ad;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}
.term-body {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 18px;
  overflow-x: auto;
}
.term-prompt {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  user-select: none;
  flex-shrink: 0;
}
.term code {
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 2.4vw, 1.08rem);
  color: #e8eefb;
  white-space: nowrap;
}

/* standalone copy button */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  background: var(--bg-inset);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.18s ease;
}
.copy-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--glow-accent);
  transform: translateY(-1px);
}
.copy-btn.copied {
  border-color: var(--ok);
  color: var(--ok);
  background: rgba(52, 211, 153, 0.1);
}
.copy-btn svg { width: 15px; height: 15px; }
/* copy buttons living on permanently-dark surfaces (terminal / cmd / mini-cmd)
   keep dark-surface colors in both themes */
.term-body .copy-btn,
.cmd .copy-btn,
.mini-cmd .copy-btn {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.16);
  color: #e8eefb;
}
.term-body .copy-btn:hover,
.cmd .copy-btn:hover,
.mini-cmd .copy-btn:hover { color: var(--accent); }

/* big primary CTA */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 24px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
}
.btn svg { width: 17px; height: 17px; }
.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 10px 26px -8px rgba(251, 113, 133, 0.55);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px -8px rgba(251, 113, 133, 0.65);
  color: #fff;
}
.btn-ghost {
  background: var(--bg-card);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }

/* ---------- Feature chips ---------- */
.chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 38px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-2);
  font-size: 0.88rem;
  transition: all 0.15s ease;
}
.chip:hover { border-color: var(--border-strong); color: var(--text); transform: translateY(-1px); }
.chip svg { width: 15px; height: 15px; color: var(--accent); }

/* ---------- Card grid (page nav / features) ---------- */
.section { margin-top: 64px; }
.section-head { text-align: center; margin-bottom: 28px; }
.section-head h2 {
  margin: 0 0 8px;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.section-head p { margin: 0; color: var(--text-2); font-size: 0.98rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}
/* five nav cards sit evenly on wide screens */
.grid.five {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.card {
  position: relative;
  display: block;
  padding: 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-md);
  color: var(--text);
}
.card .icon {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 13px;
  margin-bottom: 16px;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}
.card .icon svg { width: 21px; height: 21px; color: var(--brand-1); }
.card:hover .icon { background: rgba(251, 113, 133, 0.12); border-color: rgba(251, 113, 133, 0.3); }
.card h3 { margin: 0 0 6px; font-size: 1.06rem; font-weight: 700; }
.card p { margin: 0; color: var(--text-2); font-size: 0.9rem; line-height: 1.65; }
.card .go {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}
.card .go svg { width: 14px; height: 14px; transition: transform 0.2s ease; }
.card:hover .go svg { transform: translateX(3px); }

/* teal / blue icon variants */
.card.v-teal .icon svg { color: var(--accent); }
.card.v-teal:hover .icon { background: rgba(45, 212, 191, 0.12); border-color: rgba(45, 212, 191, 0.3); }
.card.v-blue .icon svg { color: var(--blue); }
.card.v-blue:hover .icon { background: rgba(96, 165, 250, 0.12); border-color: rgba(96, 165, 250, 0.3); }
.card.v-amber .icon svg { color: var(--warn); }
.card.v-amber:hover .icon { background: rgba(251, 191, 36, 0.12); border-color: rgba(251, 191, 36, 0.3); }

/* ---------- Two-step quick guide (index) ---------- */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 760px) { .duo { grid-template-columns: 1fr; } }
.panel {
  padding: 26px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
}
.panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.panel-head .icon {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--bg-inset);
  border: 1px solid var(--border);
}
.panel-head .icon svg { width: 20px; height: 20px; }
.panel-head h3 { margin: 0; font-size: 1.08rem; font-weight: 700; }
.panel-head .tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(45, 212, 191, 0.1);
  border: 1px solid rgba(45, 212, 191, 0.25);
  padding: 2px 8px;
  border-radius: 999px;
}
.mini-cmd {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--r-md);
  background: var(--bg-code);
  border: 1px solid var(--border-strong);
  overflow-x: auto;
}
.mini-cmd code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #e8eefb;
  white-space: nowrap;
}
/* standalone action row under a command block (backup line cards) */
.line-actions { display: flex; justify-content: flex-end; margin-top: 10px; }
@media (max-width: 420px) { .mini-cmd code { font-size: 0.8rem; } }
.panel .more-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 600;
}
.panel .more-link svg { width: 14px; height: 14px; }

/* ---------- Docs layout (kms.html) ---------- */
.docs {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}
@media (max-width: 980px) {
  .docs { grid-template-columns: 1fr; gap: 8px; }
}

.toc {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  max-height: calc(100vh - var(--nav-h) - 48px);
  overflow-y: auto;
  padding-right: 6px;
  padding-bottom: 20px;
}
.toc-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 12px 12px;
}
.toc-group { margin-bottom: 18px; }
.toc-group-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-2);
  margin: 0 0 6px 12px;
}
.toc a {
  display: block;
  padding: 5px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 8px 8px 0;
  color: var(--text-2);
  font-size: 0.89rem;
  line-height: 1.5;
  transition: all 0.15s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.toc a:hover { color: var(--text); background: var(--bg-card-hover); }
.toc a.active {
  color: var(--brand-1);
  border-left-color: var(--brand-1);
  background: linear-gradient(90deg, rgba(251, 113, 133, 0.1), transparent);
}

/* mobile TOC */
.toc-mobile { display: none; margin-bottom: 20px; }
@media (max-width: 980px) {
  .toc { display: none; }
  .toc-mobile { display: block; }
  .toc-mobile summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 18px;
    border-radius: var(--r-md);
    border: 1px solid var(--border);
    background: var(--bg-card);
    font-weight: 700;
    font-size: 0.95rem;
  }
  .toc-mobile summary::-webkit-details-marker { display: none; }
  .toc-mobile summary svg { width: 16px; height: 16px; transition: transform 0.2s ease; }
  .toc-mobile[open] summary svg { transform: rotate(180deg); }
  .toc-mobile .toc { display: block; position: static; max-height: 340px; margin-top: 8px; padding: 10px 6px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--bg-card); }
}

/* prose */
.prose { min-width: 0; }
.prose section { margin-bottom: 52px; scroll-margin-top: calc(var(--nav-h) + 24px); }
.prose h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  font-size: clamp(1.3rem, 2.6vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.prose h2 .num {
  display: inline-grid;
  place-items: center;
  min-width: 34px; height: 34px;
  border-radius: 11px;
  background: var(--grad-brand);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 6px 16px -6px rgba(251, 113, 133, 0.55);
}
.prose h2 .num.n-teal { background: var(--grad-accent); box-shadow: 0 6px 16px -6px rgba(45, 212, 191, 0.5); }
.prose h2 .num.n-slate { background: linear-gradient(135deg, #64748b, #475569); box-shadow: none; }
.prose h3 {
  margin: 30px 0 12px;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text);
}
.prose h3::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 3px;
  background: var(--grad-brand);
  margin-right: 10px;
  vertical-align: 2px;
}
.prose p { margin: 0 0 14px; color: var(--text-2); }
.prose p strong, .prose b { color: var(--text); font-weight: 600; }
.prose a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: color-mix(in srgb, var(--blue) 45%, transparent); }
.prose a:hover { text-decoration-color: var(--accent); }
.prose ul, .prose ol { margin: 0 0 14px; padding-left: 22px; color: var(--text-2); }
.prose li { margin-bottom: 6px; }
.prose code:not(pre code) {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  color: var(--accent);
}
/* command blocks keep their own dark-surface look */
.prose .cmd code {
  background: none;
  border: 0;
  padding: 0;
  color: #e8eefb;
  font-size: 0.92rem;
}

/* callout */
.callout {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid rgba(96, 165, 250, 0.3);
  background: rgba(96, 165, 250, 0.07);
  margin: 0 0 16px;
  font-size: 0.93rem;
  color: var(--text-2);
}
.callout svg { width: 18px; height: 18px; color: var(--blue); flex-shrink: 0; margin-top: 3px; }
.callout.warn {
  border-color: rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.07);
}
.callout.warn svg { color: var(--warn); }
.callout p { margin: 0; }

/* cmd block in docs */
.cmd {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 14px 0 18px;
  padding: 13px 14px;
  border-radius: var(--r-md);
  background: var(--bg-code);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}
.cmd .ps1 { color: var(--accent); font-family: var(--font-mono); font-size: 0.92rem; user-select: none; flex-shrink: 0; }
.cmd code {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: #e8eefb;
  white-space: nowrap;
}
.cmd .copy-btn { margin-left: auto; padding: 7px 13px; font-size: 0.83rem; }
.cmd-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 18px 0 -8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.04em;
}
.cmd-label svg { width: 13px; height: 13px; }

/* key cards (GVLK) */
.key-list { margin: 12px 0 22px; }
.key-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  margin-bottom: 8px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.key-row:hover { border-color: var(--border-strong); background: var(--bg-card-hover); }
.key-row .k-name {
  flex: 1;
  min-width: 0;
  font-size: 0.92rem;
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.key-row .k-val {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  color: var(--text);
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 10px;
  white-space: nowrap;
}
.key-row .copy-btn { padding: 6px 11px; font-size: 0.8rem; border-radius: 9px; }
@media (max-width: 640px) {
  .key-row { flex-wrap: wrap; gap: 8px; }
  .key-row .k-name { flex-basis: 100%; white-space: normal; }
  .key-row .copy-btn { margin-left: auto; }
}

/* link list (mirrors) */
.link-list { margin: 10px 0 20px; padding: 0; list-style: none; }
.link-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 4px;
  border-bottom: 1px dashed var(--border);
  font-size: 0.93rem;
  color: var(--text-2);
  word-break: break-all;
}
.link-list li:last-child { border-bottom: 0; }
.link-list .lk-tag {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(45, 212, 191, 0.1);
  border: 1px solid rgba(45, 212, 191, 0.25);
  padding: 1px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.link-list .lk-tag.t-orange {
  color: var(--brand-1);
  background: rgba(251, 146, 60, 0.1);
  border-color: rgba(251, 146, 60, 0.3);
}
.link-list a { word-break: break-all; }

/* download file row */
.file-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  margin-bottom: 8px;
  transition: all 0.15s ease;
}
.file-row:hover { border-color: var(--border-strong); background: var(--bg-card-hover); }
.file-row svg { width: 18px; height: 18px; color: var(--warn); flex-shrink: 0; }
.file-row .f-name { flex: 1; min-width: 0; font-size: 0.92rem; color: var(--text-2); }
.file-row a { font-weight: 600; white-space: nowrap; }

/* ---------- Steps (android) ---------- */
.steps { position: relative; max-width: 780px; margin: 0 auto; }
.steps::before {
  content: "";
  position: absolute;
  left: 23px; top: 12px; bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand-1), var(--brand-2), var(--accent));
  opacity: 0.35;
}
.step {
  position: relative;
  display: flex;
  gap: 22px;
  padding: 18px 0;
}
.step .s-num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  font-weight: 800;
  color: var(--brand-1);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}
.step:nth-child(even) .s-num { color: var(--accent); }
.step .s-body { padding-top: 8px; }
.step .s-body h3 { margin: 0 0 8px; font-size: 1.05rem; font-weight: 700; }
.step .s-body p { margin: 0 0 12px; color: var(--text-2); font-size: 0.95rem; }
.step .s-body .mini-cmd { margin-bottom: 0; }
@media (max-width: 640px) {
  .steps::before { left: 19px; }
  .step { gap: 14px; }
  .step .s-num { width: 38px; height: 38px; font-size: 0.9rem; }
  .step .s-body { padding-top: 4px; }
}

/* ---------- Status page: self-rendered dashboard ---------- */
.ov-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  max-width: 1080px;
  margin: 0 auto;
}
.ov-cell {
  padding: 18px 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
}
.ov-num { font-size: 1.55rem; font-weight: 800; line-height: 1.2; }
.ov-num .dim { color: var(--text-3); font-size: 1rem; font-weight: 600; }
.ov-label { font-size: 0.82rem; color: var(--text-3); margin-top: 2px; }

.stat-line {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 18px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-card);
  margin-bottom: 10px;
  flex-wrap: wrap;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.stat-line:hover { border-color: var(--border-strong); background: var(--bg-card-hover); }
.st-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.st-dot.ok { background: var(--ok); box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.15); }
.st-dot.down { background: var(--danger); box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.15); }
.st-dot.unknown { background: var(--text-3); }
.st-name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text);
  min-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.st-lat { font-size: 0.85rem; color: var(--text-2); font-family: var(--font-mono); min-width: 86px; }
.st-bar { display: flex; gap: 2px; margin-left: auto; }
.st-bar i { width: 7px; height: 20px; border-radius: 2px; background: var(--bg-inset); }
.st-bar i.ok { background: rgba(52, 211, 153, 0.7); }
.st-bar i.down { background: rgba(248, 113, 113, 0.75); }
.st-bar i.flap { background: rgba(251, 191, 36, 0.85); }
.st-up {
  font-size: 0.8rem;
  color: var(--text-2);
  font-family: var(--font-mono);
  min-width: 52px;
  text-align: right;
}
@media (max-width: 700px) {
  .st-name { min-width: 0; flex: 1; }
  .st-bar { width: 100%; order: 5; margin-left: 0; }
  .st-bar i { flex: 1; height: 14px; }
}

.main-ip-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-inset);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text);
}
.main-ip-chip .lat { color: var(--accent); font-size: 0.78rem; }

/* ---------- Status page ---------- */
.status-hero {
  text-align: center;
  margin-bottom: 36px;
}
.status-cards { display: grid; grid-template-columns: 1fr; gap: 16px; max-width: 1080px; margin: 0 auto; }
.status-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.15s ease;
}
.status-card:hover { border-color: var(--border-strong); background: var(--bg-card-hover); }
.status-card .s-icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.3);
  flex-shrink: 0;
}
.status-card .s-icon svg { width: 22px; height: 22px; color: var(--ok); }
.status-card .s-body { flex: 1; min-width: 0; }
.status-card h3 { margin: 0 0 3px; font-size: 1rem; font-weight: 700; }
.status-card p { margin: 0; color: var(--text-2); font-size: 0.87rem; }
.status-card .s-badge { flex-shrink: 0; }

.badge-img-wrap { display: inline-block; line-height: 0; }
.badge-img-wrap img { height: 28px; border-radius: 5px; }
.badge-note { font-size: 0.8rem; color: var(--text-3); margin-top: 4px !important; }

/* ---------- Img (demo) page ---------- */
.shot {
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg), var(--glow-accent);
  background: var(--bg-code);
  max-width: 1080px;
  margin: 0 auto;
}
.shot img { display: block; width: 100%; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 34px 0 42px;
  margin-top: 40px;
}
.footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.footer .f-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-2);
  font-weight: 700;
  font-size: 0.95rem;
}
.footer .f-brand img { width: 26px; height: 26px; border-radius: 50%; }
.footer .f-links { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 0.88rem; }
.footer .f-links a { color: var(--text-2); }
.footer .f-links a:hover { color: var(--accent); }
.footer .f-note {
  width: 100%;
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--text-3);
  line-height: 1.7;
  text-align: center;
}

/* back to top */
.to-top {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  border-radius: 13px;
  border: 1px solid var(--border-strong);
  background: color-mix(in srgb, var(--bg-soft) 85%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-2);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.25s ease;
  box-shadow: var(--shadow-md);
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { color: var(--accent); border-color: var(--accent); }
.to-top svg { width: 17px; height: 17px; }

/* ---------- Reveal animation ---------- */

/* mobile: command rows stack — button on its own row, command scrolls inside */
@media (max-width: 640px) {
  .notice .wrap { padding-right: 44px; }
  .term-body, .cmd { flex-wrap: wrap; }
  .term-body code, .cmd code {
    order: 3;
    flex-basis: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .term-body .copy-btn, .cmd .copy-btn { order: 2; margin-left: auto; }
  .term-prompt, .cmd .ps1 { align-self: center; }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.06s; }
.reveal-d2 { transition-delay: 0.12s; }
.reveal-d3 { transition-delay: 0.18s; }
.reveal-d4 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* toast for copy feedback */
.toast {
  position: fixed;
  left: 50%; bottom: 28px;
  transform: translate(-50%, 16px);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.toast svg { width: 15px; height: 15px; color: var(--ok); }