:root{
  --bg:#0a0a0a;
  --bg-soft:#101010;
  --panel:#141414;
  --panel2:#1a1a1a;
  --line:#262626;
  --line-strong:#3a3a3a;

  --text:#ffffff;
  --muted:#8a8a8a;
  --muted-2:#5c5c5c;

  --accent:#ff3b3b;
  --accent-dark:#c92626;
  --accent-glow:rgba(255,59,59,.35);

  --good:#4ade80;
  --warn:#fbbf24;
  --danger:#ff3b3b;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter','Segoe UI',system-ui,-apple-system,Arial,sans-serif;
  line-height:1.65;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}

a{color:inherit;text-decoration:none}
img{max-width:100%}

.container{max-width:1200px;margin:auto;padding:0 22px}

/* ===== HEADER ===== */
header{
  position:sticky;top:0;z-index:20;
  background:rgba(10,10,10,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{
  font-weight:900;font-size:20px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);text-shadow:0 0 18px var(--accent-glow);
  display:flex;align-items:center;gap:10px;
}
.brand img{height:26px;display:block}
.brand span{color:var(--muted);font-size:12px;font-weight:600;letter-spacing:.2em;text-shadow:none}
.navlinks{display:flex;gap:4px;flex-wrap:wrap}
.navlinks a{
  padding:9px 14px;color:var(--muted);font-size:13px;font-weight:600;
  text-transform:uppercase;letter-spacing:.08em;border-radius:6px;
  transition:.15s;border:1px solid transparent;
}
.navlinks a:hover{color:var(--text);background:var(--panel2)}
.navlinks a.active{
  color:var(--text);background:var(--panel2);border-color:var(--line-strong);position:relative;
}
.navlinks a.active::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--accent);border-radius:6px 0 0 6px;
}

/* ===== HERO ===== */
.hero{padding:64px 0 36px}
.kicker{
  color:var(--accent);font-weight:800;text-transform:uppercase;
  letter-spacing:.22em;font-size:11px;display:inline-block;
  padding-left:22px;position:relative;
}
.kicker::before{
  content:'';position:absolute;left:0;top:50%;width:14px;height:2px;
  background:var(--accent);transform:translateY(-50%);
  box-shadow:0 0 8px var(--accent-glow);
}
h1{
  font-size:clamp(36px,6.5vw,68px);line-height:1;margin:14px 0 20px;
  letter-spacing:-.02em;font-weight:900;text-transform:uppercase;
}
h2{
  font-size:26px;line-height:1.15;margin:0 0 20px;font-weight:900;
  text-transform:uppercase;letter-spacing:.02em;padding-bottom:14px;
  border-bottom:1px solid var(--line);position:relative;
}
h2::after{
  content:'';position:absolute;left:0;bottom:-1px;width:52px;height:3px;
  background:var(--accent);box-shadow:0 0 12px var(--accent-glow);
}
h3{
  font-size:16px;margin:24px 0 10px;font-weight:800;text-transform:uppercase;
  letter-spacing:.06em;color:var(--text);
}
.lead{font-size:16px;color:var(--muted);max-width:720px;line-height:1.7}

/* ===== GRID ===== */
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:32px 0 56px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  padding:24px;transition:.18s;min-height:160px;position:relative;
  overflow:hidden;display:block;
}
.card::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--accent);transform:scaleY(0);transform-origin:top;transition:.22s;
}
.card:hover{background:var(--panel2);border-color:var(--line-strong);transform:translateY(-2px)}
.card:hover::before{transform:scaleY(1)}
.card .icon{font-size:26px;filter:grayscale(.2)}
.card h3{margin:12px 0 8px;font-size:17px;color:var(--text)}
.card p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}

/* ===== PILLS ===== */
.pill{
  display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line-strong);
  border-radius:4px;padding:6px 11px;color:var(--muted);font-size:12px;
  text-transform:uppercase;letter-spacing:.08em;font-weight:600;background:var(--panel);
}

/* ===== TOOLBAR / INPUT ===== */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}
input{
  width:min(100%,520px);background:var(--panel);border:1px solid var(--line-strong);
  color:var(--text);border-radius:6px;padding:12px 15px;outline:none;
  font-family:inherit;font-size:14px;transition:.15s;
}
input::placeholder{color:var(--muted-2)}
input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}

/* ===== LAYOUT ===== */
.layout{display:grid;grid-template-columns:240px 1fr;gap:32px}
aside{position:sticky;top:84px;height:max-content}
.toc{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px}
.toc a{
  display:block;padding:10px 12px;color:var(--muted);border-radius:6px;
  font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;
  transition:.15s;border-left:2px solid transparent;
}
.toc a:hover{background:var(--panel2);color:var(--text);border-left-color:var(--accent)}

/* ===== SECTIONS ===== */
section.block{
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  padding:26px;margin-bottom:16px;transition:border-color .15s;position:relative;
}
section.block:hover{border-color:var(--line-strong)}

blockquote{
  margin:0 0 18px;border-left:3px solid var(--accent);padding:14px 20px;
  background:rgba(255,59,59,.05);border-radius:0 6px 6px 0;color:var(--text);font-size:15px;
}
ul,ol{padding-left:22px}
li{margin:6px 0;color:var(--muted)}
li b,li strong{color:var(--text)}
p{color:var(--muted)}
p b,p strong{color:var(--text)}

/* ===== NOTICE ===== */
.notice{
  padding:14px 18px;border-radius:6px;background:rgba(251,191,36,.06);
  border:1px solid rgba(251,191,36,.28);color:#f0d99a;font-size:14px;border-left-width:3px;
}
.danger{background:rgba(255,59,59,.06);border-color:rgba(255,59,59,.3);color:#ffb8b8}

/* ===== IMAGES ===== */
.imgbox{margin:20px 0;text-align:center}
.imgbox img{
  max-width:100%;height:auto;border-radius:8px;
  border:1px solid var(--line-strong);box-shadow:0 12px 40px rgba(0,0,0,.5);
}
.caption{
  color:var(--muted-2);font-size:12px;margin-top:10px;
  text-transform:uppercase;letter-spacing:.06em;
}

/* ===== BACK LINK ===== */
.back{
  display:inline-flex;align-items:center;gap:6px;margin:0 0 20px;
  color:var(--muted);font-size:13px;font-weight:600;
  text-transform:uppercase;letter-spacing:.08em;transition:.15s;
}
.back:hover{color:var(--accent)}

footer{
  padding:40px 0 64px;color:var(--muted-2);font-size:12px;
  border-top:1px solid var(--line);margin-top:40px;
  text-transform:uppercase;letter-spacing:.08em;
}
mark{background:rgba(255,59,59,.25);color:var(--text);border-radius:3px;padding:0 2px}

/* ===== ИНСТРУМЕНТЫ РЕДАКТОРА (в углу секции) ===== */
.section-tools{
  position:absolute;top:14px;right:14px;
  display:flex;gap:6px;flex-wrap:wrap;
  opacity:.25;transition:opacity .2s;z-index:5;
}
section.block:hover .section-tools,
section.block.editing .section-tools{opacity:1}

.section-tools button{
  background:var(--panel2);border:1px solid var(--line-strong);color:var(--muted);
  padding:6px 11px;border-radius:5px;cursor:pointer;font-size:11px;
  font-family:inherit;line-height:1.3;transition:.15s;white-space:nowrap;
  text-transform:uppercase;letter-spacing:.06em;font-weight:700;
}
.section-tools button:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.section-tools button.save{
  background:rgba(74,222,128,.12);border-color:rgba(74,222,128,.4);color:var(--good);
}
.section-tools button.save:hover{background:var(--good);color:#0a0a0a;border-color:var(--good)}
.section-tools button.cancel{
  background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.4);color:var(--warn);
}
.section-tools button.cancel:hover{background:var(--warn);color:#0a0a0a;border-color:var(--warn)}
.section-tools button.reset{
  background:rgba(255,59,59,.1);border-color:rgba(255,59,59,.35);color:var(--accent);
}
.section-tools button.reset:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.section-tools .saved-msg{
  background:var(--accent);color:#fff;padding:6px 11px;border-radius:5px;
  font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
  animation:fadeIn .2s;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:none}}

section.block.editing{
  outline:1px dashed var(--accent);outline-offset:4px;border-color:var(--accent);
}

/* ===== ПЛАВАЮЩАЯ ПАНЕЛЬ ФОРМАТИРОВАНИЯ ===== */
.fmt-toolbar{
  position:fixed;left:20px;bottom:80px;z-index:9998;
  display:flex;flex-wrap:wrap;align-items:center;gap:3px;
  background:var(--panel2);border:1px solid var(--line-strong);
  border-radius:8px;padding:6px 8px 6px 34px;
  box-shadow:0 12px 40px rgba(0,0,0,.7);
  max-width:min(92vw,680px);
  user-select:none;
}
.fmt-toolbar::before{
  content:'⋮⋮';position:absolute;left:8px;top:50%;transform:translateY(-50%);
  color:var(--muted);font-size:14px;letter-spacing:-2px;cursor:grab;
  padding:8px 4px;line-height:1;
}
.fmt-toolbar.dragging::before{cursor:grabbing}
.fmt-toolbar.dragging{opacity:.85}

.fmt-toolbar button,
.fmt-toolbar select,
.fmt-toolbar label{
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid transparent;color:var(--text);
  font-family:inherit;font-size:13px;font-weight:700;cursor:pointer;
  padding:5px 8px;border-radius:5px;transition:.12s;
  min-width:30px;height:30px;line-height:1;
}
.fmt-toolbar button:hover,
.fmt-toolbar label:hover,
.fmt-toolbar select:hover{background:var(--panel);border-color:var(--line-strong)}
.fmt-toolbar button.active{background:var(--accent);border-color:var(--accent);color:#fff}
.fmt-toolbar select{padding:0 6px;height:30px;cursor:pointer}
.fmt-toolbar .sep{width:1px;height:20px;background:var(--line-strong);margin:0 4px}
.fmt-toolbar label{position:relative;overflow:hidden}
.fmt-toolbar label input[type="color"]{
  position:absolute;inset:0;opacity:0;width:100%;height:100%;
  cursor:pointer;border:none;padding:0;
}
.fmt-toolbar label .swatch{display:inline-block;padding:0 4px;border-radius:3px;font-weight:900}
.fmt-toolbar label .swatch.fg{color:#ff3b3b;background:#fff}
.fmt-toolbar label .swatch.bg{color:#000;background:#ffeb3b;padding:0 5px}
.fmt-toolbar #eyedropper{font-size:15px}
.fmt-toolbar .fmt-close{
  position:absolute;right:-8px;top:-8px;
  background:var(--accent);border:1px solid var(--accent);color:#fff;
  width:20px;height:20px;min-width:20px;border-radius:50%;
  padding:0;font-size:12px;line-height:1;cursor:pointer;
}
.fmt-toolbar .fmt-close:hover{background:var(--accent-dark);border-color:var(--accent-dark)}

@media(max-width:640px){
  .fmt-toolbar{left:8px;right:8px;bottom:8px;max-width:none;padding-left:30px}
}

/* ===== КНОПКА-ЗАМОК ===== */
#auth-btn{
  position:fixed;bottom:20px;right:20px;
  width:46px;height:46px;border-radius:8px;
  background:var(--panel2);border:1px solid var(--line-strong);
  color:var(--text);font-size:18px;cursor:pointer;z-index:100;
  display:flex;align-items:center;justify-content:center;
  transition:.18s;opacity:.35;font-family:inherit;
  box-shadow:0 6px 24px rgba(0,0,0,.5);
}
#auth-btn:hover{
  opacity:1;border-color:var(--accent);color:var(--accent);
  box-shadow:0 6px 24px var(--accent-glow);
}

/* ===== АДАПТИВ ===== */
@media(max-width:800px){
  .nav{height:auto;padding:12px 0;align-items:flex-start;flex-direction:column}
  .navlinks{width:100%;overflow:auto;flex-wrap:nowrap}
  .grid{grid-template-columns:1fr}
  .layout{grid-template-columns:1fr}
  aside{position:static}
  .hero{padding-top:40px}
  section.block{padding:20px}
  h2{font-size:22px}
  h1{font-size:38px}
}
/* ===== Кнопка «Добавить раздел» в TOC ===== */
.toc .toc-add{
  display:block;
  width:100%;
  margin-top:12px;
  padding:10px 12px;
  background:rgba(255,59,59,.08);
  border:1px dashed rgba(255,59,59,.5);
  color:var(--accent);
  border-radius:6px;
  cursor:pointer;
  font-family:inherit;
  font-weight:800;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.08em;
  transition:.15s;
  text-align:center;
}
.toc .toc-add:hover{
  background:var(--accent);
  color:#fff;
  border-style:solid;
  border-color:var(--accent);
}

/* ===== Кнопка «Удалить раздел» (у кастомных секций) ===== */
.section-tools button.delete{
  background:rgba(255,59,59,.15);
  border-color:rgba(255,59,59,.5);
  color:var(--accent);
}
.section-tools button.delete:hover{
  background:var(--accent);
  color:#fff;
  border-color:var(--accent);
}