:root {
  --bg:            #0a0b13;
  --bg-soft:       #0e0f1c;
  --surface:       #141628;
  --surface-2:     #191c33;
  --border:        #232544;
  --border-soft:   #1c1e38;

  --text:          #e9e9f5;
  --text-soft:     #c3c5de;
  --muted:         #8d8fac;

  --accent:        #5b7cfa;
  --accent-2:      #9d7bff;
  --accent-cyan:   #4fd1e0;
  --accent-lime:   #b3e847;
  --accent-dim:    #2a2f5c;
  --accent-soft:   rgba(91,124,250,.15);
  --accent-ink:    #0a0b13;

  --code-bg:       #0f1122;
  --code-ink:      #cfd3ec;
  --code-muted:    #6b7196;

  --grad-brand:    linear-gradient(145deg, var(--accent), var(--accent-2));

  --tip-bg: #101a10; --tip-border: #2c4023; --tip-ink: #9fe58f;
  --warn-bg: #1d1526; --warn-border: #5b3a63; --warn-ink: #d9a6f0;
  --info-bg: #101a2e; --info-border: #28407a; --info-ink: #9dbdfb;
  --danger-bg: #28131a; --danger-border: #5c2a35; --danger-ink: #f5919e;

  --shadow: 0 12px 34px -14px rgba(0,0,0,.6);
  --radius: 10px;
  --topbar-h: 3.1rem;
  --font-ui: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", serif;
  --font-mono: "SF Mono", "Fira Code", Consolas, Menlo, "Liberation Mono", monospace;
}

:root[data-theme="light"] {
  --bg:            #f6f7fb;
  --bg-soft:       #ffffff;
  --surface:       #ffffff;
  --surface-2:     #eef0f8;
  --border:        #e3e5f1;
  --border-soft:   #edeef8;

  --text:          #181a2c;
  --text-soft:     #454a68;
  --muted:         #767b9a;

  --accent:        #4a5fe0;
  --accent-2:      #7c4fe0;
  --accent-cyan:   #0a8298;
  --accent-lime:   #5c8a00;
  --accent-soft:   rgba(74,95,224,.10);
  --accent-ink:    #ffffff;

  --code-bg:       #f6f8fa;
  --code-ink:      #24292f;
  --code-muted:    #6e7781;

  --tip-bg: #eafaf1; --tip-border: #bfe8cf; --tip-ink: #1c7a45;
  --warn-bg: #faf0ff; --warn-border: #e3c6f5; --warn-ink: #7a3d94;
  --info-bg: #eef3ff; --info-border: #c7d6fb; --info-ink: #2a4faa;
  --danger-bg: #fdeef0; --danger-border: #f3c6ce; --danger-ink: #a3273b;

  --shadow: 0 12px 34px -14px rgba(20,20,50,.15);
}

* { box-sizing: border-box; }
html, body { height: 100%; overflow-x: hidden; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--font-mono); }
::selection { background: var(--accent-soft); }

/* Fine grain texture over the page - keeps flat dark UI from feeling flat */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 50; pointer-events: none;
  opacity: .045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.auth-body::before { display: none; }

@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pop-in { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: scale(1); } }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

html { scrollbar-width: thin; scrollbar-color: var(--border) var(--bg); }
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-corner { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

.glow-orb {
  position: fixed; z-index: 0; pointer-events: none; overflow: hidden;
  width: 58vw; height: 58vw; max-width: 760px; max-height: 760px;
  right: -16vw; top: -22vw; border-radius: 50%; filter: blur(100px); opacity: .16;
  background:
    radial-gradient(circle at 30% 35%, var(--accent), transparent 60%),
    radial-gradient(circle at 65% 60%, var(--accent-2), transparent 65%);
  animation: glow-drift 32s ease-in-out infinite;
}
.glow-orb.orb-2 { display: none; }
.auth-body .glow-orb { display: none; }
@keyframes glow-drift {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(-4%, 3%) scale(1.06); }
}

.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--text); flex-shrink: 0; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0;
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  color: var(--accent-ink); font-weight: 800; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}
.brand-mark svg { width: 16px; height: 16px; }
.brand-word { font-family: var(--font-display); font-weight: 700; font-size: 16px; line-height: 1.15; letter-spacing: -.01em; }
.brand-word .grad {
  background: linear-gradient(135deg, var(--accent-2), var(--accent-cyan));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 12px;
  height: var(--topbar-h); padding: 0 20px;
  background: var(--bg-soft); border-bottom: 1px solid var(--border);
}
.navtoggle, .theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-soft);
  cursor: pointer;
}
.navtoggle:hover, .theme-toggle:hover { border-color: var(--accent-2); color: var(--text); }
.navtoggle svg, .theme-toggle svg { width: 16px; height: 16px; }
.navtoggle { display: none; }
.topbar > .theme-toggle { margin-left: auto; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }

.layout { display: flex; align-items: flex-start; max-width: 1440px; margin: 0 auto; position: relative; z-index: 1; }

.sidebar {
  width: 240px; flex-shrink: 0; position: sticky; top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h)); overflow-y: auto;
  padding: .9rem .7rem 2rem; background: var(--bg-soft); border-right: 1px solid var(--border);
  scrollbar-color: var(--accent-dim) transparent;
}
.sidebar::-webkit-scrollbar-thumb { background-color: var(--accent-dim); border: 2px solid var(--bg-soft); }
.sidebar::-webkit-scrollbar-thumb:hover { background-color: var(--accent); }

.search { margin-bottom: .7rem; padding: 0 .15rem; }
.search input {
  width: 100%; background: var(--surface); border: 1px solid var(--border); color: var(--text);
  font-size: .82rem; padding: .45rem .7rem .45rem 1.9rem; border-radius: 999px; outline: none;
  font-family: inherit;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238d8fac' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: .65rem center;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.search input:focus { border-color: var(--accent-dim); box-shadow: 0 0 0 3px var(--accent-soft); }
.search input::placeholder { color: var(--muted); }
.sidebar-section-title {
  display: block; font-size: .78em; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  color: var(--muted); padding: 7px 10px; margin-bottom: 6px; border-bottom: 1px solid var(--border-soft);
}
.sidebar-section-title:hover { color: var(--text); text-decoration: none; }
.nav-tree { display: flex; flex-direction: column; gap: 1px; }
.page-list a {
  display: block; color: var(--text-soft); font-size: .85rem; font-weight: 500;
  padding: .36rem .6rem .36rem 1.7rem; border-radius: 6px; border-left: 2px solid transparent;
  margin: .05rem 0; text-decoration: none;
  transition: background .15s ease, color .15s ease, padding-left .15s ease, border-color .15s ease;
}
.page-list a:hover { background: var(--surface); color: var(--text); text-decoration: none; padding-left: 1.9rem; }
.page-list a.active {
  background: var(--accent-soft); color: var(--accent-2); font-weight: 600;
  border-left: 2px solid var(--accent); animation: fade-up .35s ease both;
}
.no-results { color: var(--muted); font-size: .85em; padding: 8px 10px; }

.nav-group { margin: 2px 0; }
.nav-group summary {
  list-style: none; cursor: pointer; user-select: none;
  display: flex; align-items: center; gap: .5rem;
  padding: .4rem .5rem; border-radius: 6px;
  font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted);
}
.nav-group summary::-webkit-details-marker { display: none; }
.nav-group summary::after {
  content: ""; margin-left: auto; width: .65rem; height: .65rem; flex-shrink: 0;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform .15s ease;
}
.nav-group[open] > summary::after { transform: rotate(90deg); }
.nav-group summary:hover { background: var(--surface); color: var(--text); }
.nav-group-items { display: flex; flex-direction: column; gap: 1px; padding-left: 0; margin-top: .1rem; overflow: hidden; animation: fade-up .22s ease both; }

/* Nested subsections (group inside a group) - indented and visually lighter than their parent */
.nav-group-items > .nav-group summary { padding-left: 1.2rem; font-size: .64rem; opacity: .82; }
.nav-group-items > .nav-group > .nav-group-items > a { padding-left: 2.4rem; }
.nav-group-items > .nav-group > .nav-group-items > a:hover { padding-left: 2.6rem; }
.nav-group-items > .nav-group > .nav-group-items { border-left: 1px solid var(--border-soft); margin-left: .75rem; }

.backdrop { display: none; }

main { flex: 1; min-width: 0; padding: 2.8rem clamp(1.25rem, 5vw, 3.5rem) 4rem; position: relative; }

.breadcrumbs { font-size: .82em; color: var(--muted); display: flex; gap: 8px; margin-bottom: 18px; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs span:last-child { color: var(--text-soft); }

.content-columns { display: flex; gap: 48px; align-items: flex-start; justify-content: center; }
.content { flex: 0 1 760px; min-width: 0; max-width: 760px; font-size: 1rem; line-height: 1.65; }
.content > :first-child { margin-top: 0; }
.content h1 {
  font-family: var(--font-display); font-size: clamp(1.9rem, 1.5rem + 1.8vw, 2.6rem);
  font-weight: 700; line-height: 1.15; margin: 0 0 .45rem; letter-spacing: -.01em;
  scroll-margin-top: 76px; animation: fade-up .5s ease both;
}
.content h2 {
  font-family: var(--font-display); font-size: clamp(1.25rem, 1.1rem + .6vw, 1.55rem); font-weight: 700;
  margin: 2.5rem 0 .9rem; padding-top: .5rem; position: relative;
  scroll-margin-top: 76px;
}
.content h2:first-of-type { margin-top: 0; }
.content h2::before { content: ""; position: absolute; top: 0; left: 0; width: 2.4rem; height: 2px; background: var(--accent); }
.content h3 { font-family: var(--font-display); font-size: 1.08rem; margin: 1.6rem 0 .6rem; scroll-margin-top: 76px; }
.heading-anchor { position: absolute; left: -20px; opacity: 0; color: var(--muted); text-decoration: none; }
.content h1:hover .heading-anchor, .content h2:hover .heading-anchor, .content h3:hover .heading-anchor { opacity: 1; }
.content p { margin: .8rem 0; color: var(--text); }
.content li { margin: .3rem 0; color: var(--text); }
.content strong { color: var(--text); }
.content ol { margin: .8rem 0; padding-left: 1.4rem; }
.content ul { margin: .8rem 0; list-style: none; padding-left: .2rem; }
.content ul > li { position: relative; padding-left: 1.3rem; }
.content ul > li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: 6px; height: 6px;
  border-radius: 1px; background: var(--accent-lime); transform: rotate(45deg);
}
.content blockquote {
  margin: 16px 0; padding: 12px 15px; border: 1px solid var(--border); border-left: 3px solid var(--muted);
  background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0; color: var(--text-soft); font-size: .95em;
}
.content code:not(pre code) {
  background: var(--code-bg); color: var(--accent-lime);
  padding: .15em .4em; border-radius: 5px; font-size: .87em; border: 1px solid var(--border);
}

.callout {
  border-radius: var(--radius); padding: .9rem 1.1rem; margin: 1.3rem 0; font-size: .93rem;
  border: 1px solid transparent; border-left-width: 3px;
}
.callout.tip   { border-left-color: var(--tip-border);   background: var(--tip-bg);   color: var(--tip-ink); }
.callout.warn  { border-left-color: var(--warn-border);  background: var(--warn-bg);  color: var(--warn-ink); }
.callout.info  { border-left-color: var(--info-border);  background: var(--info-bg);  color: var(--info-ink); }
.callout.danger{ border-left-color: var(--danger-border);background: var(--danger-bg);color: var(--danger-ink); }
.callout .label { font-weight: 700; text-transform: uppercase; font-size: .7rem; letter-spacing: .06em; display: block; margin-bottom: .3rem; opacity: .8; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1px; margin: 1.6rem 0; background: var(--border); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; counter-reset: card; }
.card { position: relative; background: var(--surface); padding: 1.3rem 1.2rem 1.1rem; counter-increment: card; transition: background .2s ease; }
.card::before { content: counter(card, decimal-leading-zero); display: block; font-family: var(--font-mono); font-size: .72rem; color: var(--accent); opacity: .7; margin-bottom: .6rem; letter-spacing: .05em; }
.card:hover { background: #241a0f; }
.card h4 { margin: 0 0 .35rem; font-size: .98rem; color: var(--text); font-weight: 700; }
.card p { margin: 0; font-size: .85rem; color: var(--muted); }

kbd { background: var(--code-bg); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 5px; padding: .05em .45em; font-family: var(--font-mono); font-size: .85em; }
.badge {
  display: inline-block; background: var(--code-bg); color: var(--accent-2); font-family: var(--font-mono);
  font-size: .7rem; font-weight: 600; padding: .15em .5em; border-radius: 5px; border: 1px solid var(--border);
  margin-left: .3rem; vertical-align: middle; transition: border-color .2s ease, box-shadow .2s ease;
}
.badge:hover { border-color: var(--accent-dim); box-shadow: 0 0 0 3px var(--accent-soft); }

.yt-card {
  position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden;
  background-size: cover; background-position: center; background-color: var(--surface-2);
  cursor: pointer; margin: 16px 0;
}
.yt-card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to bottom, rgba(0,0,0,.65) 0%, transparent 32%, transparent 68%, rgba(0,0,0,.5) 100%);
}
.yt-card-title { position: absolute; top: 14px; left: 16px; right: 16px; color: #fff; font-weight: 700; font-size: 1.05em; z-index: 1; }
.yt-card-channel { position: absolute; top: 42px; left: 16px; color: rgba(255,255,255,.75); font-size: .82em; z-index: 1; }
.yt-card-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 56px; height: 40px; background: #f00; border-radius: 10px; z-index: 1;
  display: flex; align-items: center; justify-content: center;
}
.yt-card-play::after { content: ""; border-style: solid; border-width: 9px 0 9px 15px; border-color: transparent transparent transparent #fff; margin-left: 3px; }
.yt-card-watch {
  position: absolute; bottom: 14px; right: 14px; z-index: 1;
  background: rgba(20,20,20,.85); color: #fff; padding: 7px 14px; border-radius: 999px;
  font-size: .82em; font-weight: 600; text-decoration: none;
}
.yt-card-watch:hover { background: #000; text-decoration: none; }
.yt-card iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.table-wrap { overflow-x: auto; }
.content table { border-collapse: collapse; width: 100%; margin: 1.3rem 0 1.7rem; font-size: .9rem; }
.content th, .content td { text-align: left; padding: .6rem .7rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.content th { color: var(--muted); font-weight: 600; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; }
.content tr:hover td { background: var(--bg-soft); }

.pill { display: inline-block; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; padding: 2.5px 8px; border-radius: 100px; border: 1px solid; line-height: 1.5; }

.code-wrap { position: relative; margin: 1rem 0 1.4rem; }
.code-label { display: none; }
.copy-btn {
  position: absolute; top: .5rem; right: .5rem; font-size: .72rem; font-weight: 600;
  color: var(--muted); background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 6px; padding: .25rem .55rem; cursor: pointer; opacity: 0;
  transform: translateY(-3px);
  transition: opacity .15s ease, transform .15s ease, color .15s ease, border-color .15s ease;
  font-family: inherit;
}
.code-wrap:hover .copy-btn, .copy-btn:focus-visible { opacity: 1; transform: translateY(0); }
.copy-btn:hover { color: var(--text); border-color: var(--accent-dim); }
.copy-btn.copied { color: var(--accent-lime); border-color: var(--accent-dim); opacity: 1; transform: translateY(0); animation: pop-in .25s ease; }
.code-wrap pre {
  position: relative; background: var(--code-bg); color: var(--code-ink);
  border: 1px solid var(--border); border-left: 2px solid var(--accent-dim); border-radius: var(--radius);
  padding: 1rem 1.1rem; overflow-x: auto; font-size: .85rem; line-height: 1.55; margin: 0;
  tab-size: 2; -moz-tab-size: 2;
}
.code-wrap pre code.hljs { background: transparent !important; padding: 0; font-family: var(--font-mono); }

.toc { width: 180px; flex-shrink: 0; position: sticky; top: 76px; font-size: .85em; }
.toc-title { color: var(--muted); text-transform: uppercase; font-size: .72em; letter-spacing: .06em; font-weight: 700; margin: 0 0 12px; }
#toc-list { display: flex; flex-direction: column; border-left: 1px solid var(--border-soft); }
#toc-list a {
  position: relative; color: var(--muted); font-weight: 500; font-size: .96em;
  padding: 6px 0 6px 16px; line-height: 1.4; transition: color .15s ease;
}
#toc-list a::before {
  content: ""; position: absolute; left: -1px; top: 2px; bottom: 2px; width: 2px;
  background: transparent; border-radius: 2px; transition: background .15s ease;
}
#toc-list a.toc-h3 { padding-left: 28px; font-size: .88em; }
#toc-list a:hover { color: var(--text); text-decoration: none; }
#toc-list a.active { color: var(--accent-2); font-weight: 600; }
#toc-list a.active::before { background: var(--accent-2); }

.next-links {
  display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 3rem; padding-top: 1.4rem;
  border-top: 1px solid var(--border); font-size: .88rem;
}
.next-links a {
  flex: 1 1 200px; border: 1px solid var(--border); border-radius: 8px;
  padding: .6rem .9rem; text-decoration: none; color: var(--text); background: none;
  transition: border-color .15s ease, transform .15s ease, background .15s ease;
}
.next-links a:hover { border-color: var(--accent-dim); background: var(--bg-soft); transform: translateY(-2px); text-decoration: none; }
.next-links a.next { text-align: right; margin-left: auto; }
.next-links .lbl { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 700; margin-bottom: .15rem; }

.made-with {
  position: fixed; right: 1.2rem; bottom: 1rem; z-index: 35;
  color: var(--muted); font-size: .76rem; opacity: .75;
  animation: fade-up .4s ease .3s both; transition: opacity .2s ease;
}
.made-with:hover { opacity: 1; }
.made-with span { color: var(--accent-2); font-weight: 700; }
@media (max-width: 860px) { .made-with { display: none; } }

label { display: flex; flex-direction: column; gap: 6px; font-size: .87em; color: var(--text-soft); }
input, textarea, select, button, .button {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
}
select { color-scheme: dark; }
:root[data-theme="light"] select { color-scheme: light; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
button, .button {
  cursor: pointer; text-decoration: none; display: inline-flex; align-items: center;
  font-weight: 600; font-size: .92em; color: var(--text-soft);
}
button:hover, .button:hover { border-color: var(--accent-2); color: var(--text); text-decoration: none; }
button.primary, .button.primary { background: var(--accent); border-color: transparent; color: #fff; }
button.primary:hover, .button.primary:hover { filter: brightness(1.08); }
button.full { width: 100%; justify-content: center; }
button.danger { border-color: var(--danger-border); color: var(--danger-ink); background: none; }
button.danger:hover { background: var(--danger-bg); }
.error { color: var(--danger-ink); font-size: .9em; margin: 0; }
form { margin: 0; }

.auth-body { background: var(--bg); }
.login-page { min-height: calc(100vh - var(--topbar-h)); display: flex; align-items: center; justify-content: center; padding: 20px; position: relative; z-index: 1; }
.login-box {
  width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 18px; align-items: stretch;
  border: 1px solid var(--border); border-radius: 20px; background: var(--surface);
  padding: 36px 32px; box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,.02) inset;
}
.login-box .brand { margin-bottom: 2px; }
.login-heading { display: flex; flex-direction: column; gap: 4px; }
.login-box h1 { font-size: 1.25em; margin: 0; }
.login-sub { margin: 0; color: var(--muted); font-size: .87em; line-height: 1.4; }

.input-icon-wrap { position: relative; }
.input-icon-wrap input { width: 100%; padding-left: 40px; }
.input-icon {
  position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--muted); pointer-events: none; transition: color .15s ease;
}
.input-icon-wrap:has(input:focus) .input-icon { color: var(--accent); }

.login-box button.primary.full { padding: 11px; font-size: .98em; margin-top: 2px; }
.login-box button.primary.full:hover { filter: brightness(1.1); box-shadow: 0 6px 20px -6px var(--accent); }

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text);
  caret-color: var(--text);
  -webkit-box-shadow: 0 0 0 1000px var(--surface) inset;
  box-shadow: 0 0 0 1000px var(--surface) inset;
  transition: background-color 9999s ease-in-out 0s;
}

.wiki-switcher { max-width: 900px; margin: 0 auto; padding: 60px 24px 100px; text-align: center; position: relative; z-index: 1; min-height: calc(100vh - var(--topbar-h)); }
.wiki-switcher::before {
  content: ""; position: fixed; inset: 0; z-index: 50; pointer-events: none; opacity: .045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.wiki-switcher .brand { justify-content: center; margin-bottom: 28px; }
.wiki-switcher h1 { font-size: 2rem; margin: 0 0 8px; }
.wiki-switcher-sub { color: var(--muted); margin: 0 0 40px; }
.wiki-switcher-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; text-align: left; }
.wiki-card {
  display: block; position: relative; border: 1px solid var(--border); border-top: 2px solid var(--accent);
  border-radius: var(--radius); background: var(--surface);
  padding: 22px 24px; color: var(--text); text-decoration: none;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.wiki-card:hover { border-color: var(--accent); transform: translateY(-3px); text-decoration: none; box-shadow: var(--shadow); }
.wiki-card h2 { margin: 0 0 8px; font-size: 1.15em; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.wiki-card h2::after { content: "→"; color: var(--accent-2); opacity: 0; transform: translateX(-4px); transition: opacity .15s ease, transform .15s ease; }
.wiki-card:hover h2::after { opacity: 1; transform: translateX(0); }
.wiki-card p { margin: 0; color: var(--text-soft); font-size: .9em; line-height: 1.5; }
.wiki-switcher-footer { margin-top: 48px; color: var(--muted); font-size: .82em; opacity: .75; }
.wiki-switcher-footer span { color: var(--accent-2); font-weight: 700; }

.admin-topbar { justify-content: space-between; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.user-menu { display: flex; align-items: center; gap: 8px; }
.user-menu-btn {
  display: flex; align-items: center; gap: 8px; padding: 5px 12px 5px 5px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--surface); color: var(--text);
}
.user-menu-btn:hover { border-color: var(--accent-2); text-decoration: none; }
.user-avatar {
  width: 24px; height: 24px; border-radius: 50%; background: var(--grad-brand);
  color: var(--accent-ink); font-weight: 800; font-size: .78em;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.user-name { font-size: .88em; font-weight: 600; }

.user-list { display: flex; flex-direction: column; gap: 10px; }
.user-card {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px;
}
.user-card-identity { display: flex; align-items: center; gap: 12px; }
.user-card-identity .user-avatar { width: 38px; height: 38px; font-size: 1.05em; }
.user-card-name { font-weight: 700; }
.user-card-meta { display: flex; gap: 6px; margin-top: 5px; }

.admin-nav {
  display: flex; gap: 4px; padding: 10px 32px 0; border-bottom: 1px solid var(--border);
  max-width: 980px; margin: 0 auto; position: relative; z-index: 1; overflow-x: auto;
}
.admin-nav a {
  padding: 9px 14px; color: var(--muted); font-size: .9em; font-weight: 600;
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.admin-nav a:hover { color: var(--text); text-decoration: none; }
.admin-nav a.active { color: var(--text); border-bottom-color: var(--accent); }

.admin { max-width: 980px; margin: 0 auto; padding: 32px 24px 60px; position: relative; z-index: 1; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.admin-header .actions { display: flex; gap: 8px; }
.admin-header h1 { margin-bottom: 4px; }
.role-note { margin: 0; color: var(--muted); font-size: .85em; }
.flash-ok { color: var(--tip-ink); font-size: .9em; margin: 0 0 16px; }
.inline-password-form { display: inline-flex; gap: 8px; align-items: center; }
.inline-password-form input { padding: 9px 12px; font-size: .88em; width: 160px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 32px; }
.stat-card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 16px 18px; }
.stat-label { margin: 0 0 6px; color: var(--muted); font-size: .78em; text-transform: uppercase; letter-spacing: .04em; font-weight: 700; }
.stat-value { margin: 0; font-size: 1.8em; font-weight: 800; }
.stat-sub { margin: 4px 0 0; color: var(--text-soft); font-size: .82em; }

.stats-section { margin-bottom: 32px; }
.stats-section h2 { font-size: 1.05em; margin: 0 0 14px; }
.section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; flex-wrap: wrap; gap: 8px; }
.section-head h2 { margin: 0; }

.account-page { max-width: 640px; }
.settings-card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 22px 24px; margin-bottom: 20px; }
.settings-card-head { margin-bottom: 16px; }
.settings-card-head h2 { margin: 0 0 4px; font-size: 1.05em; }
.settings-card-sub { margin: 0; color: var(--muted); font-size: .82em; line-height: 1.5; }
.settings-card .new-user-form { max-width: none; }

.chart {
  display: flex; align-items: flex-end; gap: 6px; height: 160px;
  border-bottom: 1px solid var(--border); padding-bottom: 4px; position: relative;
}
.chart-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: 8px; }
.chart-bar {
  width: 100%; max-width: 24px; min-height: 3px; border-radius: 4px 4px 0 0;
  background: var(--accent); cursor: default; transition: background .12s ease;
}
.chart-bar:hover { background: var(--accent-2); }
.chart-label { font-size: .68em; color: var(--muted); white-space: nowrap; }
.chart-tooltip {
  position: absolute; top: -8px; transform: translate(-50%, -100%);
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text); font-size: .78em; font-weight: 600; white-space: nowrap;
  padding: 5px 10px; border-radius: 6px; pointer-events: none; box-shadow: var(--shadow);
  z-index: 5;
}

.admin-table code { font-size: .85em; }

.flash-banner {
  border: 1px solid var(--tip-border); background: var(--tip-bg); color: var(--tip-ink);
  border-radius: var(--radius); padding: 14px 18px; margin-bottom: 20px;
}
.flash-banner p { margin: 0; }
.flash-banner code { background: rgba(0,0,0,.2); border-color: transparent; color: inherit; }
.flash-note { margin-top: 6px !important; font-size: .82em; opacity: .8; }
.copy-btn-inline {
  background: none; border: 1px solid currentColor; color: inherit; border-radius: 6px;
  padding: 2px 8px; font-size: .82em; cursor: pointer;
}
.new-user-form { max-width: 420px; }
table.admin-table { width: 100%; border-collapse: collapse; }
table.admin-table th, table.admin-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
table.admin-table th { color: var(--muted); font-size: .82em; text-transform: uppercase; letter-spacing: .04em; }
.row-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.row-actions button, .row-actions .button { white-space: nowrap; }

.admin-tree { display: flex; flex-direction: column; }
.admin-tree > .admin-group-items { gap: 18px; }
.admin-group {
  border: 1px solid var(--border); border-top: 2px solid var(--accent); border-radius: var(--radius);
  background: var(--surface); padding: 14px 16px 16px; cursor: default;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.admin-group.dragging { opacity: .4; }
.admin-group-header {
  display: flex; align-items: center; gap: 10px; cursor: grab;
  font-size: .85em; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  color: var(--text); padding: 2px 2px 12px;
}
.admin-group-items {
  display: flex; flex-direction: column; gap: 10px;
  min-height: 10px; border-radius: var(--radius);
}
.admin-group-items:empty {
  min-height: 44px; border: 1px dashed var(--border); border-radius: var(--radius);
  align-items: center; justify-content: center;
}
.admin-group-items:empty::before {
  content: "Перетащите сюда страницу"; display: flex; align-items: center; justify-content: center;
  height: 44px; color: var(--muted); font-size: .82em;
}
.admin-group .admin-group {
  border-top-color: var(--border-soft); background: var(--bg-soft); box-shadow: none;
}
.admin-group .admin-group-header { font-size: .78em; color: var(--muted); }
.admin-group .admin-group-header:hover { color: var(--text); }
.admin-page-item {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 14px; cursor: grab;
}
.admin-group .admin-page-item { background: var(--surface-2); }
.admin-page-item:hover { border-color: var(--border); box-shadow: var(--shadow); }
.admin-page-item.dragging { opacity: .4; }
.drag-handle { color: var(--muted); font-size: 1.1em; line-height: 1; flex-shrink: 0; cursor: grab; }
.admin-page-title { font-weight: 600; flex: 1; min-width: 0; }
.admin-page-slug { color: var(--muted); font-size: .82em; flex-shrink: 0; }
.admin-page-item .row-actions { flex-shrink: 0; }

.editor { display: flex; flex-direction: column; gap: 16px; max-width: 760px; }
.editor .actions { display: flex; gap: 8px; }
.field-row { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; }
.field-row label { flex: 1; min-width: 140px; }
.field-row .field-grow { flex: 3; min-width: 220px; }
.field-row .field-narrow { flex: 0 0 110px; min-width: 90px; }
.field-check { flex-direction: row !important; align-items: center; gap: 8px !important; white-space: nowrap; }
.field-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.EasyMDEContainer .CodeMirror { border-radius: var(--radius); height: 480px !important; background: var(--surface); color: var(--text); border-color: var(--border); }
.EasyMDEContainer .editor-toolbar { border-color: var(--border); }
.EasyMDEContainer .editor-toolbar button { color: var(--text-soft) !important; }
.EasyMDEContainer .editor-toolbar button:hover, .EasyMDEContainer .editor-toolbar button.active { background: var(--surface-2); border-color: var(--border); }
.EasyMDEContainer .editor-toolbar .preview,
.EasyMDEContainer .editor-toolbar .side-by-side,
.EasyMDEContainer .editor-toolbar .fullscreen { color: transparent !important; position: relative; }
.EasyMDEContainer .editor-toolbar .preview::before,
.EasyMDEContainer .editor-toolbar .side-by-side::before,
.EasyMDEContainer .editor-toolbar .fullscreen::before {
  content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 15px; height: 15px; background: var(--text-soft);
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-position: center; mask-position: center;
  -webkit-mask-size: contain; mask-size: contain;
}
.EasyMDEContainer .editor-toolbar .preview:hover::before,
.EasyMDEContainer .editor-toolbar .side-by-side:hover::before,
.EasyMDEContainer .editor-toolbar .fullscreen:hover::before,
.EasyMDEContainer .editor-toolbar .preview.active::before,
.EasyMDEContainer .editor-toolbar .side-by-side.active::before,
.EasyMDEContainer .editor-toolbar .fullscreen.active::before { background: var(--text); }
.EasyMDEContainer .editor-toolbar .preview::before {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8Z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8Z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E");
}
.EasyMDEContainer .editor-toolbar .side-by-side::before {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Cline x1='12' y1='3' x2='12' y2='21'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Cline x1='12' y1='3' x2='12' y2='21'/%3E%3C/svg%3E");
}
.EasyMDEContainer .editor-toolbar .fullscreen::before {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 3H5a2 2 0 0 0-2 2v3m18 0V5a2 2 0 0 0-2-2h-3m0 18h3a2 2 0 0 0 2-2v-3M3 16v3a2 2 0 0 0 2 2h3'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M8 3H5a2 2 0 0 0-2 2v3m18 0V5a2 2 0 0 0-2-2h-3m0 18h3a2 2 0 0 0 2-2v-3M3 16v3a2 2 0 0 0 2 2h3'/%3E%3C/svg%3E");
}
.EasyMDEContainer .editor-preview { background: var(--bg); color: var(--text); }
.EasyMDEContainer .editor-preview pre {
  background: var(--code-bg); color: var(--code-ink); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 14px;
}
.EasyMDEContainer .editor-preview pre code { background: none; color: inherit; font-family: var(--font-mono); }
.EasyMDEContainer .editor-preview code:not(pre code) {
  background: var(--surface); border: 1px solid var(--border); color: var(--accent-lime);
  padding: 1px 6px; border-radius: 5px; font-size: .88em; font-family: var(--font-mono);
}
.EasyMDEContainer .editor-preview-side, .EasyMDEContainer .editor-preview-active-side {
  background: var(--bg) !important; color: var(--text) !important; border-color: var(--border) !important; top: var(--topbar-h) !important;
}
.EasyMDEContainer .CodeMirror-fullscreen { background: var(--surface) !important; height: auto !important; top: var(--topbar-h) !important; }
.EasyMDEContainer .CodeMirror-cursor { border-color: var(--text); }
.cm-s-easymde .CodeMirror-selected { background: var(--accent-soft); }
.EasyMDEContainer .CodeMirror-hscrollbar, .EasyMDEContainer .CodeMirror-vscrollbar,
.EasyMDEContainer .CodeMirror-scrollbar-filler, .EasyMDEContainer .CodeMirror-gutter-filler {
  background: var(--surface);
}
.EasyMDEContainer .CodeMirror-scroll::-webkit-scrollbar { height: 10px; width: 10px; background: var(--surface); }
.EasyMDEContainer .CodeMirror-scroll::-webkit-scrollbar-track { background: var(--surface); }
.EasyMDEContainer .CodeMirror-scroll::-webkit-scrollbar-thumb { background: var(--border-soft); border-radius: 5px; }
.EasyMDEContainer .CodeMirror-scroll { line-height: 1.6; }
.EasyMDEContainer .cm-header { color: var(--accent-2); }
.EasyMDEContainer .cm-header-1 { font-size: 1.5rem !important; }
.EasyMDEContainer .cm-header-2 { font-size: 1.32rem !important; }
.EasyMDEContainer .cm-header-3 { font-size: 1.2rem !important; }
.EasyMDEContainer .cm-header-4,
.EasyMDEContainer .cm-header-5,
.EasyMDEContainer .cm-header-6 { font-size: 1.08rem !important; }
.EasyMDEContainer .cm-link, .EasyMDEContainer .cm-url { color: var(--accent-cyan); }
.EasyMDEContainer .editor-statusbar { border: 1px solid var(--border); border-top: none; border-radius: 0 0 var(--radius) var(--radius); background: var(--surface); padding: 6px 10px; display: flex; justify-content: flex-end; }
.EasyMDEContainer .editor-statusbar .words { background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 3px 12px; font-size: .78em; color: var(--text-soft); }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay[hidden] { display: none; }
.modal-box {
  width: 100%; max-width: 380px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xl, 16px); padding: 24px; box-shadow: var(--shadow);
}
.modal-text { margin: 0 0 20px; color: var(--text); font-size: .95em; line-height: 1.5; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }

.admin-table-wrap { overflow-x: auto; }

@media (max-width: 1180px) {
  .toc { display: none; }
}
@media (max-width: 860px) {
  .navtoggle { display: flex; }
  .topbar-search { display: none; }
  .sidebar {
    position: fixed; left: 0; top: var(--topbar-h); bottom: 0; width: min(82vw, 290px); z-index: 39;
    transform: translateX(-100%); transition: transform .22s cubic-bezier(.16,1,.3,1); box-shadow: var(--shadow);
  }
  .sidebar.open { transform: translateX(0); }
  .backdrop.open {
    display: block; position: fixed; inset: 0; top: var(--topbar-h); background: rgba(0,0,0,.55); z-index: 38;
  }
  main { padding: 24px 20px 90px; }

  .admin, .admin-nav { padding-left: 16px; padding-right: 16px; }
  .user-name { display: none; }
  .user-menu-btn { padding: 5px; }
  .admin-header { align-items: flex-start; }
  .field-row { flex-direction: column; align-items: stretch; }
  .field-row .field-grow, .field-row .field-narrow { flex: 1; min-width: 0; }
}

::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 2; animation: theme-reveal 550ms ease-in-out; }
@keyframes theme-reveal {
  from { clip-path: circle(0px at var(--theme-x, 50%) var(--theme-y, 50%)); }
  to { clip-path: circle(var(--theme-r, 150%) at var(--theme-x, 50%) var(--theme-y, 50%)); }
}