*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--accent:#7C5CFF;--accent2:#FF5C8A;--accent3:#5CFFB8;--font:'Onest',sans-serif;--mono:'JetBrains Mono',monospace;color-scheme:light dark}
[data-theme=dark]{--bg:#08080F;--bg2:#10101A;--bg3:#18182A;--bg4:#1E1E30;--text:#F0EFF8;--text2:#8888AA;--border:rgba(255,255,255,.07)}
[data-theme=light]{--bg:#F5F4FF;--bg2:#fff;--bg3:#EEEDF8;--bg4:#E8E7F5;--text:#15131F;--text2:#65637A;--border:rgba(0,0,0,.07)}
@media(prefers-color-scheme:dark){:root:not([data-theme]){--bg:#08080F;--bg2:#10101A;--bg3:#18182A;--bg4:#1E1E30;--text:#F0EFF8;--text2:#8888AA;--border:rgba(255,255,255,.07)}}
@media(prefers-color-scheme:light){:root:not([data-theme]){--bg:#F5F4FF;--bg2:#fff;--bg3:#EEEDF8;--bg4:#E8E7F5;--text:#15131F;--text2:#65637A;--border:rgba(0,0,0,.07)}}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.7;min-height:100vh}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
kbd{font-family:var(--mono);font-size:.8em;background:var(--bg3);border:1px solid var(--border);border-bottom-width:2px;padding:1px 7px;border-radius:5px;color:var(--text);white-space:nowrap}

.layout{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--bg2);border-right:1px solid var(--border);padding:0 0 2rem}
.main{max-width:820px;padding:3rem 3rem 6rem}

.sidebar-logo{display:flex;align-items:center;gap:.75rem;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border);margin-bottom:.75rem}
.sidebar-logo a{font-size:1.1rem;font-weight:900;letter-spacing:-.05em;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none}
.sidebar-logo span{font-size:.72rem;font-family:var(--mono);color:var(--text2);opacity:.6}
.nav-section{padding:.25rem 1.5rem;font-size:.68rem;font-family:var(--mono);font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--text2);opacity:.5;margin-top:1rem}
.nav-item{display:block;padding:.45rem 1.5rem;font-size:.875rem;color:var(--text2);text-decoration:none;transition:background-color .15s,border-color .15s,color .15s,box-shadow .15s,opacity .15s;border-left:2px solid transparent}
.nav-item:hover{color:var(--text);background:var(--bg3);text-decoration:none}
.nav-item.active{color:var(--accent);border-left-color:var(--accent);background:rgba(124,92,255,.06)}

.topnav{position:fixed;top:0;right:0;z-index:100;padding:.75rem 1.5rem;display:flex;gap:.5rem;align-items:center}
.theme-btn{width:32px;height:32px;border-radius:8px;border:1px solid var(--border);background:var(--bg2);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:background-color .18s,border-color .18s,color .18s,box-shadow .18s,opacity .18s}
.theme-btn:hover{border-color:var(--accent)}
.back-btn{font-size:.8rem;color:var(--text2);text-decoration:none;padding:.35rem .75rem;border:1px solid var(--border);border-radius:8px;background:var(--bg2);transition:background-color .15s,border-color .15s,color .15s,box-shadow .15s,opacity .15s}
.back-btn:hover{color:var(--text);border-color:var(--accent);text-decoration:none}

h1{font-size:2rem;font-weight:900;letter-spacing:-.04em;margin-bottom:.75rem}
h2{font-size:1.4rem;font-weight:800;letter-spacing:-.03em;margin:3rem 0 1rem;scroll-margin-top:1.5rem;display:flex;align-items:center;gap:.75rem}
h2 .h2-icon{font-size:1.1rem;width:36px;height:36px;background:rgba(124,92,255,.1);border:1px solid rgba(124,92,255,.15);border-radius:9px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
h3{font-size:1.05rem;font-weight:700;margin:1.75rem 0 .625rem;scroll-margin-top:1.5rem;color:var(--text)}
p{color:var(--text2);font-size:.95rem;margin-bottom:.875rem}
p:last-child{margin-bottom:0}
ul,ol{color:var(--text2);font-size:.95rem;padding-left:1.5rem;margin-bottom:.875rem}
li{margin-bottom:.4rem}
strong{color:var(--text);font-weight:700}

/* Tip / callout */
.tip{background:rgba(92,255,184,.06);border:1px solid rgba(92,255,184,.18);border-left:3px solid var(--accent3);border-radius:0 10px 10px 0;padding:.875rem 1.1rem;margin:1rem 0;font-size:.9rem;display:flex;gap:.625rem}
.tip.info{background:rgba(124,92,255,.06);border-color:rgba(124,92,255,.2);border-left-color:var(--accent)}
.tip.warn{background:rgba(255,210,122,.06);border-color:rgba(255,210,122,.2);border-left-color:#FFD27A}
.tip-icon{flex-shrink:0;font-size:1rem}
.tip p{color:var(--text);margin:0}

/* Shortcut table */
.shortcut-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin:.875rem 0}
.shortcut-row{display:flex;align-items:center;justify-content:space-between;background:var(--bg2);border:1px solid var(--border);border-radius:9px;padding:.6rem .875rem;font-size:.875rem}
.shortcut-desc{color:var(--text2)}
.shortcut-keys{display:flex;gap:.25rem;align-items:center;flex-shrink:0}

/* Tool card */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.875rem;margin:.875rem 0}
.tool-card{background:var(--bg2);border:1px solid var(--border);border-radius:13px;padding:1.1rem;transition:border-color .18s}
.tool-card:hover{border-color:rgba(124,92,255,.3)}
.tool-header{display:flex;align-items:center;gap:.625rem;margin-bottom:.5rem}
.tool-icon{width:36px;height:36px;border-radius:9px;background:rgba(124,92,255,.1);border:1px solid rgba(124,92,255,.15);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.tool-name{font-weight:700;font-size:.95rem}
.tool-key{font-family:var(--mono);font-size:.72rem;color:var(--text2);background:var(--bg3);border:1px solid var(--border);border-radius:4px;padding:1px 5px;margin-left:auto;flex-shrink:0}
.tool-desc{font-size:.83rem;color:var(--text2);line-height:1.55}

/* Steps */
.steps{counter-reset:step;display:flex;flex-direction:column;gap:.625rem;margin:.875rem 0}
.step{display:flex;gap:.875rem;align-items:flex-start;background:var(--bg2);border:1px solid var(--border);border-radius:11px;padding:.875rem 1rem;counter-increment:step}
.step::before{content:counter(step);width:26px;height:26px;border-radius:7px;background:rgba(124,92,255,.15);color:var(--accent);font-weight:800;font-size:.82rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:var(--mono)}
.step-text{font-size:.9rem;color:var(--text2);line-height:1.6}
.step-text strong{color:var(--text)}

/* Feature list */
.feature-list{display:flex;flex-direction:column;gap:.5rem;margin:.875rem 0}
.feature-item{display:flex;align-items:flex-start;gap:.625rem;font-size:.9rem;color:var(--text2)}
.feature-item::before{content:'→';color:var(--accent);font-weight:700;flex-shrink:0;margin-top:.05rem}

/* Hero */
.doc-hero{background:linear-gradient(135deg,rgba(124,92,255,.08),rgba(255,92,138,.05));border:1px solid rgba(124,92,255,.15);border-radius:16px;padding:2rem;margin-bottom:2.5rem}

@media(max-width:768px){
  /* minmax(0,1fr) — чтобы колонка могла сузиться уже min-content текста (иначе грид
     «распирало» по самой длинной строке и появлялся горизонтальный скролл на мобиле). */
  .layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;height:auto;border-right:none;border-bottom:1px solid var(--border)}
  .main{padding:1.5rem 1rem 4rem;min-width:0;overflow-wrap:break-word}
  .shortcut-grid{grid-template-columns:1fr}
  .tools-grid{grid-template-columns:1fr}
  /* flex-айтемы (списки/шаги) по умолчанию не сужаются ниже min-content и дают
     горизонтальный скролл на узких экранах — разрешаем перенос внутри них. */
  .feature-item,.step{min-width:0}
  .feature-item,.step-text,.tool-desc{overflow-wrap:anywhere;word-break:break-word}
}