/* VIBE/CODE platform — the landing's language: black / white / lime, Days One display type, pill buttons, big radii. */
:root{
  --lime:#D2FF60;
  --lime-h:#c3f23f;
  --f-display:'Days One',sans-serif;
  --f-body:'Montserrat',system-ui,-apple-system,sans-serif;
  --f-mono:ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
  --r:24px;
  --r-sm:14px;

  --bg:#F4F4F2;
  --surface:#FFFFFF;
  --surface2:#F4F4F2;
  --surface3:#EBEBE7;
  --line:#E4E4E0;
  --line2:#D4D4CE;
  --text:#0A0A0A;
  --muted:#6B6B66;
  --faint:#9A9A94;
  --accent-text:#4E6B00;
  --nav-active-bg:#0A0A0A;
  --nav-active-fg:#FFFFFF;
  --hero-bg:#0A0A0A;
  --hero-line:#2A2A2A;
  --grid-dot:#0000000a;
  --shadow:0 1px 0 #0000000a,0 18px 40px -26px #00000040;
  --shadow-lg:0 30px 80px -30px #00000066;
  --amber:#B87300; --amber-bg:#FFF1CC;
  --red:#C62F1E; --red-bg:#FFE1DB;
  --blue:#1E5FD1; --blue-bg:#DDE9FF;
  --orange:#C95300; --orange-bg:#FFE6D1;
  --ok-bg:#E9FFB8; --ok:#3B5200;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0A0A0A;
  --surface:#141414;
  --surface2:#1B1B1B;
  --surface3:#242424;
  --line:#242424;
  --line2:#333333;
  --text:#F2F2F2;
  --muted:#A3A3A3;
  --faint:#6E6E6E;
  --accent-text:#D2FF60;
  --nav-active-bg:#D2FF60;
  --nav-active-fg:#0A0A0A;
  --hero-bg:#161616;
  --hero-line:#2A2A2A;
  --grid-dot:#ffffff09;
  --shadow:0 1px 0 #ffffff05,0 18px 40px -26px #000000;
  --shadow-lg:0 30px 80px -30px #000000;
  --amber:#FFC94D; --amber-bg:#3A2E0F;
  --red:#FF7A66; --red-bg:#3D1712;
  --blue:#8DB6FF; --blue-bg:#14223D;
  --orange:#FF9A4D; --orange-bg:#3A220F;
  --ok-bg:#2C3A0E; --ok:#D2FF60;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font:500 15px/1.5 var(--f-body);-webkit-font-smoothing:antialiased;
  background-image:linear-gradient(var(--grid-dot) 1px,transparent 1px),linear-gradient(90deg,var(--grid-dot) 1px,transparent 1px);background-size:32px 32px;background-attachment:fixed}
a{color:inherit}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:400}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--lime);color:#000}
img,video,iframe{display:block;max-width:100%}
.ico{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ico--sm{width:16px;height:16px}
.ico--lg{width:26px;height:26px}
.hidden{display:none!important}
.mut{color:var(--muted)}
.faint{color:var(--faint)}
.mono{font-family:var(--f-mono);font-size:.92em}
.nowrap{white-space:nowrap}
.disp{font-family:var(--f-display);text-transform:uppercase;letter-spacing:.005em;line-height:1.05}
.hl{background:var(--lime);color:#000;padding:0 .14em;border-radius:.14em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.acc{color:var(--accent-text)}

/* ---------- logo ---------- */
.logo{font-family:var(--f-display);font-size:21px;letter-spacing:.01em;text-decoration:none;color:var(--text);white-space:nowrap;display:inline-flex;align-items:center;gap:10px}
.logo span{color:#9BD41E}
:root[data-theme="dark"] .logo span,.on-dark .logo span{color:var(--lime)}
.logo small{font:700 10px/1 var(--f-body);letter-spacing:.12em;text-transform:uppercase;border:1px solid currentColor;border-radius:999px;padding:5px 8px;color:var(--muted)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 24px;border-radius:999px;border:1.5px solid transparent;background:var(--lime);color:#000;
  font:700 13px/1 var(--f-body);text-transform:uppercase;letter-spacing:.04em;text-decoration:none;white-space:nowrap;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s var(--ease),opacity .2s}
.btn:hover{background:var(--lime-h);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn--ink{background:var(--text);color:var(--bg)}
.btn--ink:hover{background:var(--text);opacity:.88}
.btn--ghost{background:transparent;border-color:var(--line2);color:var(--text)}
.btn--ghost:hover{background:var(--surface2);border-color:var(--text)}
.btn--soft{background:var(--surface2);color:var(--text)}
.btn--soft:hover{background:var(--surface3)}
.btn--danger{background:transparent;border-color:var(--red);color:var(--red)}
.btn--danger:hover{background:var(--red);color:#fff}
.btn--sm{height:38px;padding:0 16px;font-size:11.5px}
.btn--xs{height:30px;padding:0 12px;font-size:10.5px;gap:6px}
.btn--lg{height:58px;padding:0 34px;font-size:14px}
.btn--block{width:100%}
.btn--icon{width:42px;padding:0;height:42px}
.btn--icon.btn--sm{width:36px;height:36px}
.btn .ico{width:18px;height:18px}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(3px)}
.iconbtn{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;border:0;background:transparent;color:var(--muted);cursor:pointer;transition:background .15s,color .15s}
.iconbtn:hover{background:var(--surface2);color:var(--text)}
.link{color:var(--accent-text);font-weight:700;text-decoration:none;cursor:pointer;background:none;border:0;padding:0}
.link:hover{text-decoration:underline}

/* ---------- chips / statuses ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;background:var(--surface2);color:var(--muted);font:700 11px/1 var(--f-body);letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}
.chip .ico{width:13px;height:13px;stroke-width:2.2}
.chip--lime{background:var(--lime);color:#000}
.chip--ink{background:var(--text);color:var(--bg)}
.chip--ok{background:var(--ok-bg);color:var(--ok)}
.chip--amber{background:var(--amber-bg);color:var(--amber)}
.chip--red{background:var(--red-bg);color:var(--red)}
.chip--blue{background:var(--blue-bg);color:var(--blue)}
.chip--orange{background:var(--orange-bg);color:var(--orange)}
.chip--line{background:transparent;border:1px solid var(--line2)}
.dot{width:8px;height:8px;border-radius:50%;background:currentColor;flex:none}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field>span,.lbl{font:700 11px/1 var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.field small{color:var(--faint);font-size:12px;font-weight:500}
.inp{width:100%;height:48px;padding:0 16px;border-radius:var(--r-sm);border:1.5px solid var(--line);background:var(--surface2);font-weight:500;outline:none;transition:border-color .15s,background .15s,box-shadow .15s}
.inp:hover{border-color:var(--line2)}
.inp:focus{border-color:var(--text);background:var(--surface);box-shadow:0 0 0 4px #D2FF6055}
textarea.inp{height:auto;min-height:110px;padding:13px 16px;resize:vertical;line-height:1.5}
select.inp{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:18px;padding-right:40px}
.inp--sm{height:38px;font-size:14px;padding:0 12px}
.row{display:flex;gap:12px;align-items:center}
.row--wrap{flex-wrap:wrap}
.row--end{justify-content:flex-end}
.row--between{justify-content:space-between}
.stack{display:flex;flex-direction:column;gap:16px}
.stack--sm{gap:10px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.check{display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-weight:600;user-select:none}
.check input{display:none}
.switch{position:relative;width:44px;height:26px;border-radius:999px;background:var(--surface3);transition:background .2s;flex:none}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 2px 6px #0003;transition:transform .25s var(--ease)}
.check input:checked+.switch{background:var(--text)}
:root[data-theme="dark"] .check input:checked+.switch{background:var(--lime)}
:root[data-theme="dark"] .check input:checked+.switch::after{background:#000}
.check input:checked+.switch::after{transform:translateX(18px)}
.seg{display:inline-flex;padding:4px;border-radius:999px;background:var(--surface2);gap:2px;flex-wrap:wrap}
.seg button{height:34px;padding:0 15px;border-radius:999px;border:0;background:transparent;font:700 11.5px/1 var(--f-body);letter-spacing:.04em;text-transform:uppercase;color:var(--muted);cursor:pointer;white-space:nowrap;display:inline-flex;align-items:center;gap:7px}
.seg button:hover{color:var(--text)}
.seg button.on{background:var(--surface);color:var(--text);box-shadow:0 2px 8px #0000001a}
:root[data-theme="dark"] .seg button.on{background:var(--surface3)}
.seg .n{display:inline-grid;place-items:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--lime);color:#000;font-size:10px}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow);min-width:0}
.card--pad0{padding:0;overflow:hidden}
.card--flat{box-shadow:none}
.card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.card__title{font:400 17px/1.15 var(--f-display);text-transform:uppercase;letter-spacing:.01em;display:flex;align-items:center;gap:10px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font:700 11px/1 var(--f-body);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.eyebrow--acc{color:var(--accent-text)}
.empty{padding:40px 20px;text-align:center;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:12px}
.empty .ico{width:40px;height:40px;stroke-width:1.4;color:var(--faint)}
.empty b{display:block;color:var(--text);font:400 18px/1.2 var(--f-display);text-transform:uppercase}
.bar{height:8px;border-radius:999px;background:var(--surface3);overflow:hidden}
.bar i{display:block;height:100%;border-radius:inherit;background:var(--lime);transition:width .8s var(--ease)}
:root:not([data-theme="dark"]) .bar i{background:linear-gradient(90deg,#B8F03A,var(--lime))}
.bar--thin{height:5px}
.sep{height:1px;background:var(--line);margin:18px 0;border:0}

/* ---------- markdown ---------- */
.md{line-height:1.65;color:var(--text);overflow-wrap:anywhere}
.md>*+*{margin-top:12px}
.md h2,.md h3{font:400 18px/1.2 var(--f-display);text-transform:uppercase;margin-top:22px}
.md h2:first-child,.md h3:first-child{margin-top:0}
.md ul,.md ol{margin:0;padding-left:0;list-style:none}
.md ol{counter-reset:o}
.md li{position:relative;padding-left:22px;margin-top:6px}
.md ul li::before{content:"";position:absolute;left:4px;top:.66em;width:7px;height:7px;border-radius:2px;background:var(--lime);box-shadow:0 0 0 1px #00000014}
.md ol li{counter-increment:o}
.md ol li::before{content:counter(o);position:absolute;left:0;top:.1em;font:700 12px/1.6 var(--f-body);color:var(--accent-text)}
.md a{color:var(--accent-text);font-weight:600}
.md code{font-family:var(--f-mono);font-size:.88em;background:var(--surface2);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
.md pre{background:#0A0A0A;color:#E6E6E6;border-radius:14px;padding:16px 18px;overflow-x:auto;font:13px/1.6 var(--f-mono)}
.md pre code{background:none;border:0;padding:0;color:inherit}
.md blockquote{margin:0;padding:12px 16px;border-left:3px solid var(--lime);background:var(--surface2);border-radius:0 12px 12px 0}
.md b,.md strong{font-weight:700}

/* rich blocks */
.md h2,.md h3{scroll-margin-top:24px}
.md hr{border:0;height:1px;background:var(--line);margin:26px 0}
.md figure{margin:18px 0}
.md figcaption{margin-top:8px;font-size:13px;color:var(--muted);text-align:center}
.md-img{display:block;max-width:100%;height:auto;border-radius:16px;border:1px solid var(--line);cursor:zoom-in}
p .md-img{display:inline-block;vertical-align:middle;max-height:1.6em;border-radius:4px}
.md .md-video{margin:18px 0;box-shadow:none}
.md s{opacity:.6}
.code{margin:16px 0;border-radius:16px;overflow:hidden;background:#0D0D0D;border:1px solid #232323}
.code__bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 8px 8px 16px;border-bottom:1px solid #232323;font:700 10.5px/1 var(--f-body);letter-spacing:.1em;text-transform:uppercase;color:#8a8a8a}
.code pre{margin:0;padding:16px 18px;overflow-x:auto;color:#E6E6E6;font:13.5px/1.65 var(--f-mono);white-space:pre-wrap;overflow-wrap:anywhere}
.md .code pre{background:none;border-radius:0}
.code__copy{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 12px;border-radius:999px;border:1px solid #333;background:#1a1a1a;color:#ddd;font:700 11px/1 var(--f-body);letter-spacing:.04em;text-transform:uppercase;cursor:pointer;transition:background .15s,color .15s}
.code__copy:hover{background:#262626;color:#fff}
.code__copy .ico{width:14px;height:14px}
.code__copy.on{background:var(--lime);border-color:var(--lime);color:#000}
.code--prompt{background:linear-gradient(180deg,#141a05,#0D0D0D 70%);border-color:#3c4d14}
.code--prompt .code__bar{color:var(--lime);border-color:#2b3810}
.code--prompt .code__bar>span::before{content:"✦ "}
.code--prompt .code__copy{background:var(--lime);border-color:var(--lime);color:#000}
.code--prompt .code__copy:hover{background:var(--lime-h)}
.code--prompt pre{font-family:var(--f-body);font-size:14.5px;line-height:1.6;color:#F0F0F0}
.md blockquote.callout{border-left:0;border-radius:14px;padding:14px 18px;background:var(--surface2)}
.md .callout--tip{background:var(--ok-bg);color:var(--ok)}
.md .callout--ok{background:var(--ok-bg);color:var(--ok)}
.md .callout--warn{background:var(--amber-bg);color:var(--amber)}
.md .callout--info{background:var(--blue-bg);color:var(--blue)}
.md .callout b{color:inherit}
.md-table{overflow-x:auto;margin:16px 0;border:1px solid var(--line);border-radius:14px}
.md-table table{width:100%;border-collapse:collapse;font-size:14px}
.md-table th{text-align:left;padding:10px 14px;background:var(--surface2);font:700 11px/1.3 var(--f-body);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.md-table td{padding:10px 14px;border-top:1px solid var(--line);vertical-align:top}
.md ul.tasks li{padding-left:0}
.md ul.tasks li::before{display:none}
.md li.task label{display:flex;gap:12px;align-items:flex-start;cursor:pointer}
.md li.task input{appearance:none;flex:none;width:22px;height:22px;margin:1px 0 0;border-radius:7px;border:1.5px solid var(--line2);background:var(--surface);cursor:pointer;display:grid;place-items:center;transition:background .15s,border-color .15s}
.md li.task input:checked{background:var(--lime);border-color:var(--lime)}
.md li.task input:checked::after{content:"";width:6px;height:11px;border:solid #000;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) translate(-1px,-1px)}
.md li.task input:checked+span{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--faint)}
.ovl--zoom{cursor:zoom-out;background:#000d}
.zoomed{max-width:min(1400px,96vw);max-height:92vh;border-radius:12px;box-shadow:0 30px 80px #000;animation:mod .3s var(--ease) both}

/* chapters, toc, notes */
.chap{display:flex;flex-direction:column;gap:2px}
.chap button,.chap div{display:flex;gap:12px;align-items:baseline;padding:8px 10px;margin:0 -10px;border:0;background:none;border-radius:10px;text-align:left;font:600 14px/1.35 var(--f-body);color:var(--text);cursor:pointer}
.chap button:hover{background:var(--surface2)}
.chap div{cursor:default}
.chap time{flex:none;font:700 12.5px/1 var(--f-mono);color:var(--accent-text);min-width:46px}
.chap button.on{background:var(--surface2)}
.toc a{display:block;padding:6px 0 6px 12px;border-left:2px solid var(--line);color:var(--muted);text-decoration:none;font-size:13.5px;font-weight:600;line-height:1.35}
.toc a.sub{padding-left:24px;font-weight:500}
.toc a:hover{color:var(--text);border-color:var(--text)}
.note-area{min-height:140px;font-size:14px}
.saved{font-size:12px;color:var(--faint);transition:opacity .3s}

/* search */
.srch-btn{display:flex;align-items:center;gap:10px;height:42px;padding:0 12px;margin:0 0 14px;border-radius:14px;border:1px solid var(--line);background:var(--surface2);color:var(--faint);font-weight:600;font-size:13.5px;cursor:pointer;width:100%}
.srch-btn kbd{margin-left:auto;font:700 11px var(--f-body);border:1px solid var(--line2);border-radius:6px;padding:2px 6px}
.srch-btn:hover{color:var(--text);border-color:var(--line2)}
.ovl--top{align-items:flex-start;padding-top:12vh}
.srch{width:100%;max-width:640px;background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-lg);overflow:hidden;animation:mod .3s var(--ease) both}
.srch__in{display:flex;align-items:center;gap:12px;padding:0 18px;border-bottom:1px solid var(--line)}
.srch__in input{flex:1;height:62px;border:0;background:none;outline:none;font-size:18px;font-weight:500}
.srch__res{max-height:56vh;overflow:auto;padding:8px}
.srch__grp{padding:12px 12px 6px;font:700 10.5px/1 var(--f-body);letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.srch__res a{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;text-decoration:none}
.srch__res a.on,.srch__res a:hover{background:var(--surface2)}
.srch__res a .ico{color:var(--faint)}
.srch__res b{display:block;font-size:14.5px}
.srch__res small{display:block;color:var(--muted);font-size:12.5px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:520px}
.srch__res mark{background:var(--lime);color:#000;border-radius:3px;padding:0 1px}

/* markdown editor (admin) */
.mde{border:1.5px solid var(--line);border-radius:18px;background:var(--surface);overflow:hidden;transition:border-color .15s}
.mde:focus-within{border-color:var(--text)}
.mde__bar{display:flex;align-items:center;gap:2px;flex-wrap:wrap;padding:6px;border-bottom:1px solid var(--line);background:var(--surface2);position:sticky;top:0;z-index:2}
.mde__bar button{height:34px;min-width:34px;padding:0 9px;border:0;border-radius:9px;background:transparent;color:var(--muted);font:700 13px/1 var(--f-body);cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.mde__bar button:hover{background:var(--surface);color:var(--text)}
.mde__bar button.on{background:var(--text);color:var(--bg)}
.mde__bar .ico{width:17px;height:17px}
.mde__bar i{width:1px;height:20px;background:var(--line2);margin:0 4px}
.mde__bar .sp{margin-left:auto}
.mde textarea{display:block;width:100%;min-height:420px;border:0;outline:none;background:transparent;resize:vertical;padding:18px 20px;font:14.5px/1.7 var(--f-mono)}
.mde__prev{padding:20px 22px;min-height:420px}
.mde.drag{border-color:var(--lime);box-shadow:0 0 0 4px #D2FF6055}
.mde__hint{padding:8px 14px;border-top:1px solid var(--line);font-size:12px;color:var(--faint);background:var(--surface2)}
.ed{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;align-items:start}
.ed__side{position:sticky;top:20px;display:flex;flex-direction:column;gap:14px}
.ed__title{display:block;width:100%;resize:none;overflow:hidden;border:0;background:transparent;outline:none;font:400 clamp(26px,3vw,40px)/1.05 var(--f-display);text-transform:uppercase;color:var(--text);padding:0}
.ed__title::placeholder{color:var(--faint)}
.ed__bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:12px 0;margin:-12px 0 12px;background:linear-gradient(var(--bg) 70%,transparent)}
.dirty-dot{width:9px;height:9px;border-radius:50%;background:var(--amber);display:none}
.is-dirty .dirty-dot{display:inline-block}

/* ======================================================= */
/* ---------- app shell ---------- */
.app{display:grid;grid-template-columns:272px minmax(0,1fr);min-height:100vh}
.side{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:6px;padding:22px 16px 18px;border-right:1px solid var(--line);background:color-mix(in srgb,var(--surface) 82%,transparent);backdrop-filter:blur(14px)}
.side .logo{padding:6px 12px 22px}
.nav{display:flex;flex-direction:column;gap:3px}
.nav a{position:relative;display:flex;align-items:center;gap:13px;height:46px;padding:0 14px;border-radius:14px;text-decoration:none;color:var(--muted);font-weight:700;font-size:14px;transition:background .15s,color .15s}
.nav a:hover{background:var(--surface2);color:var(--text)}
.nav a.on{background:var(--nav-active-bg);color:var(--nav-active-fg)}
.nav a.on .ico{color:var(--lime)}
:root[data-theme="dark"] .nav a.on .ico{color:#000}
.nav .badge{margin-left:auto;min-width:22px;height:22px;padding:0 7px;border-radius:999px;background:var(--lime);color:#000;font-size:11px;font-weight:800;display:inline-grid;place-items:center}
.nav .sub{margin:14px 14px 6px;font:700 10.5px/1 var(--f-body);letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.side__foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.me{display:flex;align-items:center;gap:12px;padding:12px;border-radius:18px;background:var(--surface2);text-decoration:none}
.me__txt{min-width:0;flex:1}
.me__txt b{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me__txt span{font-size:12px;color:var(--muted)}
.ava{flex:none;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font:400 15px/1 var(--f-display);color:#000;background:var(--lime);text-transform:uppercase}
.ava--lg{width:84px;height:84px;font-size:30px}
.ava--sm{width:32px;height:32px;font-size:12px}
.side__tools{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:0 4px}
.theme-sw{display:inline-flex;padding:3px;border-radius:999px;background:var(--surface2)}
.theme-sw button{width:34px;height:30px;border-radius:999px;border:0;background:transparent;color:var(--muted);cursor:pointer;display:grid;place-items:center}
.theme-sw button.on{background:var(--surface);color:var(--text);box-shadow:0 2px 6px #00000022}
:root[data-theme="dark"] .theme-sw button.on{background:var(--surface3)}
.theme-sw .ico{width:16px;height:16px}

.main{min-width:0;padding:34px clamp(16px,3.4vw,48px) 80px}
.main__in{max-width:1240px;margin:0 auto}
.topbar{display:none}
.tabbar{display:none}

.ph{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.ph h1{font:400 clamp(28px,3.4vw,44px)/1 var(--f-display);text-transform:uppercase;letter-spacing:.005em}
.ph p{margin-top:10px;color:var(--muted);max-width:640px}
.ph__act{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.back{display:inline-flex;align-items:center;gap:8px;color:var(--muted);text-decoration:none;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:16px}
.back:hover{color:var(--text)}

.view{animation:vin .45s var(--ease) both}
@keyframes vin{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.stag>*{animation:vin .5s var(--ease) both}
.stag>*:nth-child(2){animation-delay:.04s}.stag>*:nth-child(3){animation-delay:.08s}.stag>*:nth-child(4){animation-delay:.12s}.stag>*:nth-child(5){animation-delay:.16s}.stag>*:nth-child(6){animation-delay:.2s}.stag>*:nth-child(n+7){animation-delay:.24s}

/* ---------- dashboard ---------- */
.dash{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:18px}
.dash>.c8{grid-column:span 8}.dash>.c7{grid-column:span 7}.dash>.c6{grid-column:span 6}.dash>.c5{grid-column:span 5}.dash>.c4{grid-column:span 4}.dash>.c12{grid-column:1/-1}
.hero{position:relative;overflow:hidden;border-radius:30px;background:var(--hero-bg);color:#fff;padding:30px 32px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;border:1px solid var(--hero-line);box-shadow:var(--shadow-lg);isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(600px 300px at 100% 0%,#D2FF6033,transparent 60%),radial-gradient(400px 260px at 0% 120%,#D2FF601a,transparent 70%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(90deg,transparent,#000 40%)}
.hero .eyebrow{color:var(--lime)}
.hero h1{margin-top:14px;font:400 clamp(30px,3.6vw,50px)/1 var(--f-display);text-transform:uppercase}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero p{margin-top:12px;color:#BDBDBD;max-width:520px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.hero .btn--ghost{border-color:#3a3a3a;color:#fff}
.hero .btn--ghost:hover{background:#ffffff14;border-color:#fff}
.hero__next{margin-top:22px;display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:18px;background:#ffffff0d;border:1px solid #ffffff14;text-decoration:none;color:#fff;max-width:520px;transition:background .2s}
.hero__next:hover{background:#ffffff17}
.hero__next .play{width:44px;height:44px;border-radius:50%;background:var(--lime);color:#000;display:grid;place-items:center;flex:none}
.hero__next .play .ico{width:18px;height:18px;fill:#000;stroke:none}
.hero__next small{display:block;color:#9a9a9a;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.hero__next b{display:block;font-size:15px;margin-top:2px}
.ring{position:relative;width:164px;height:164px;flex:none}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:12;stroke-linecap:round}
.ring .bg{stroke:#ffffff14}
.ring .fg{stroke:var(--lime);transition:stroke-dashoffset 1.2s var(--ease);filter:drop-shadow(0 0 12px #D2FF6066)}
.ring__in{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.ring__in b{font:400 40px/1 var(--f-display)}
.ring__in span{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#9a9a9a;margin-top:6px}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:22px;max-width:520px}
.stats div{padding:12px 14px;border-radius:16px;background:#ffffff0a;border:1px solid #ffffff12}
.stats b{display:block;font:400 22px/1 var(--f-display)}
.stats span{display:block;margin-top:6px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#9a9a9a}

.dl{position:relative;display:flex;flex-direction:column;gap:14px;overflow:hidden}
.dl__cd{display:flex;gap:8px}
.dl__cd div{flex:1;min-width:0;padding:14px 6px 12px;border-radius:16px;background:var(--surface2);text-align:center}
.dl__cd b{display:block;font:400 32px/1 var(--f-display)}
.dl__cd span{display:block;margin-top:6px;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.dl--hot .dl__cd div{background:var(--lime);color:#000}
.dl--hot .dl__cd span{color:#000a}
.dl--late .dl__cd div{background:var(--red-bg);color:var(--red)}
.dl h3{font:700 18px/1.3 var(--f-body)}
.hazard{position:absolute;top:0;right:0;width:120px;height:10px;background:repeating-linear-gradient(-45deg,#000 0 8px,var(--lime) 8px 16px);border-bottom-left-radius:8px}

.ev{display:flex;gap:16px;align-items:center}
.ev__date{flex:none;width:66px;height:72px;border-radius:18px;background:var(--surface2);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.ev__date b{font:400 28px/1 var(--f-display)}
.ev__date span{font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ev__date--live{background:var(--lime);color:#000}
.ev__date--live span{color:#000a}
.ev__body{min-width:0;flex:1}
.ev__body b{display:block;font-size:16px;line-height:1.3}
.ev__meta{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;margin-top:6px;color:var(--muted);font-size:13px}

.goal{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:stretch}
.goal__pt{border-radius:18px;padding:16px;background:var(--surface2);min-width:0}
.goal__pt small{display:block;font:700 10.5px/1 var(--f-body);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.goal__pt p{font-size:14px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden;white-space:pre-line}
.goal__pt--b{background:var(--lime);color:#000}
.goal__pt--b small{color:#0009}
.goal__arr{display:grid;place-items:center;color:var(--faint)}

.news{display:flex;flex-direction:column}
.news article{padding:16px 0;border-top:1px solid var(--line)}
.news article:first-child{border-top:0;padding-top:0}
.news h4{font:700 15.5px/1.35 var(--f-body);display:flex;gap:8px;align-items:center}
.news time{display:block;margin-top:3px;font-size:12px;color:var(--faint)}
.news .md{margin-top:8px;font-size:14.5px}
.links{display:flex;flex-direction:column;gap:8px}
.links a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:var(--surface2);text-decoration:none;font-weight:700;font-size:14px;transition:background .15s,transform .2s var(--ease)}
.links a:hover{background:var(--surface3);transform:translateX(2px)}
.links a .ico:last-child{margin-left:auto;color:var(--faint)}
.links a .lk{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--text);color:var(--bg)}

.mini{display:flex;flex-direction:column;gap:2px}
.mini a{display:flex;align-items:center;gap:12px;padding:11px 10px;margin:0 -10px;border-radius:12px;text-decoration:none;transition:background .15s}
.mini a:hover{background:var(--surface2)}
.mini b{flex:1;min-width:0;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- course ---------- */
.course-top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;margin-bottom:22px}
.mods{display:flex;flex-direction:column;gap:18px}
.mod{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.mod__head{display:flex;align-items:center;gap:18px;padding:20px 24px;cursor:pointer;user-select:none}
.mod__num{flex:none;width:52px;height:52px;border-radius:16px;background:var(--text);color:var(--bg);display:grid;place-items:center;font:400 20px/1 var(--f-display)}
.mod--done .mod__num{background:var(--lime);color:#000}
.mod__t{flex:1;min-width:0}
.mod__t h2{font:400 19px/1.15 var(--f-display);text-transform:uppercase}
.mod__t p{margin-top:5px;color:var(--muted);font-size:13.5px}
.mod__prog{display:flex;align-items:center;gap:12px;flex:none;width:170px}
.mod__prog .bar{flex:1}
.mod__prog span{font-size:12px;font-weight:700;color:var(--muted);white-space:nowrap}
.mod__chev{transition:transform .3s var(--ease);color:var(--faint)}
.mod.open .mod__chev{transform:rotate(180deg)}
.mod__body{display:none;border-top:1px solid var(--line)}
.mod.open .mod__body{display:block}
.les{display:flex;align-items:center;gap:16px;padding:15px 24px;text-decoration:none;border-top:1px solid var(--line);transition:background .15s}
.les:first-child{border-top:0}
.les:hover{background:var(--surface2)}
.les__n{flex:none;width:34px;height:34px;border-radius:50%;border:1.5px solid var(--line2);display:grid;place-items:center;font-size:12.5px;font-weight:800;color:var(--muted)}
.les--done .les__n{background:var(--lime);border-color:var(--lime);color:#000}
.les--lock{cursor:default}
.les--lock .les__n{border-style:dashed}
.les--lock .les__t b{color:var(--muted)}
.les__t{flex:1;min-width:0}
.les__t b{display:block;font-size:15px;font-weight:700}
.les__t span{display:flex;gap:10px;flex-wrap:wrap;margin-top:3px;font-size:12.5px;color:var(--muted)}
.les__go{color:var(--faint);transition:transform .2s var(--ease),color .2s}
.les:hover .les__go{color:var(--text);transform:translateX(3px)}
.les__pb{width:60px}

/* ---------- lesson ---------- */
.lesson{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}
.player{position:relative;border-radius:var(--r);overflow:hidden;background:#000;aspect-ratio:16/9;box-shadow:var(--shadow-lg)}
.player video,.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.player--none{display:grid;place-items:center;text-align:center;color:#8a8a8a;background:#0d0d0d;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:28px 28px}
.player--none b{display:block;color:#fff;font:400 22px/1.2 var(--f-display);text-transform:uppercase;margin:14px 0 6px}
.player--none .ico{width:48px;height:48px;color:var(--lime);stroke-width:1.4;margin:0 auto}
.speed{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.speed button{height:30px;padding:0 11px;border-radius:999px;border:1px solid var(--line2);background:transparent;font:700 12px/1 var(--f-body);color:var(--muted);cursor:pointer}
.speed button.on{background:var(--text);border-color:var(--text);color:var(--bg)}
.lesson__head{margin:22px 0 16px;display:flex;justify-content:space-between;gap:18px;align-items:flex-start;flex-wrap:wrap}
.lesson__head h1{font:400 clamp(24px,2.6vw,34px)/1.08 var(--f-display);text-transform:uppercase}
.lesson__nav{display:flex;justify-content:space-between;gap:12px;margin-top:22px;flex-wrap:wrap}
.pl{position:sticky;top:24px;max-height:calc(100vh - 48px);display:flex;flex-direction:column}
.pl__list{overflow:auto;margin:0 -10px;padding:0 10px}
.pl a{display:flex;gap:12px;align-items:center;padding:10px;margin:0 -10px;border-radius:14px;text-decoration:none;transition:background .15s}
.pl a:hover{background:var(--surface2)}
.pl a.on{background:var(--text);color:var(--bg)}
.pl a.on .les__n{border-color:var(--bg);color:var(--bg)}
.pl a.on.les--done .les__n{border-color:var(--lime)}
.pl a .les__n{width:28px;height:28px;font-size:11px}
.pl a b{font-size:13.5px;font-weight:600;line-height:1.3;flex:1;min-width:0}
.pl a .ico{color:var(--faint)}
.mat{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:var(--surface2);text-decoration:none;font-weight:600;font-size:14px;transition:background .15s}
.mat:hover{background:var(--surface3)}
.mat .ico:first-child{color:var(--accent-text)}
.mat span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- homework ---------- */
.hws{display:flex;flex-direction:column;gap:14px}
.hw{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s}
.hw.open{border-color:var(--line2)}
.hw__head{display:flex;align-items:center;gap:16px;padding:20px 22px;cursor:pointer}
.hw__ico{flex:none;width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:var(--surface2);color:var(--muted)}
.hw--accepted .hw__ico{background:var(--lime);color:#000}
.hw--submitted .hw__ico{background:var(--amber-bg);color:var(--amber)}
.hw--revision .hw__ico,.hw--late .hw__ico{background:var(--red-bg);color:var(--red)}
.hw__t{flex:1;min-width:0}
.hw__t b{display:block;font-size:16px;line-height:1.3}
.hw__t span{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin-top:6px;font-size:13px;color:var(--muted)}
.hw__body{display:none;padding:0 22px 22px}
.hw.open .hw__body{display:block}
.hw__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;border-top:1px solid var(--line);padding-top:20px}
.fb{border-radius:16px;padding:16px 18px;background:var(--surface2);border-left:4px solid var(--line2)}
.fb--accepted{background:var(--ok-bg);border-color:var(--lime)}
.fb--revision{background:var(--red-bg);border-color:var(--red)}
.fb small{display:block;font:700 10.5px/1 var(--f-body);letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px;opacity:.75}
.answer{border-radius:16px;padding:14px 16px;background:var(--surface2);font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}
.answer a{color:var(--accent-text);font-weight:700}
.cd-inline{font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- schedule ---------- */
.evs{display:flex;flex-direction:column;gap:12px}
.evs .card{padding:18px 20px}
.day-sep{margin:16px 0 2px;font:700 11px/1 var(--f-body);letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.ev--now{border-color:var(--lime);box-shadow:0 0 0 3px #D2FF6044,var(--shadow)}
.ev--past{opacity:.7}

/* ---------- profile ---------- */
.prof{display:grid;grid-template-columns:340px minmax(0,1fr);gap:18px;align-items:start}
.prof__card{text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px}
.prof__card h2{font:400 22px/1.1 var(--f-display);text-transform:uppercase;margin-top:6px}
.kv{display:flex;flex-direction:column;gap:2px;width:100%;margin-top:8px}
.kv div{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-top:1px solid var(--line);font-size:14px}
.kv span{color:var(--muted)}

/* ======================================================= */
/* ---------- auth ---------- */
.auth{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}
.auth__art{position:relative;overflow:hidden;background:#0A0A0A;color:#fff;padding:40px clamp(24px,5vw,72px);display:flex;flex-direction:column;justify-content:space-between;isolation:isolate}
.auth__art::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(#ffffff0a 1px,transparent 1px),linear-gradient(90deg,#ffffff0a 1px,transparent 1px);background-size:36px 36px}
.auth__art::after{content:"";position:absolute;z-index:-1;width:720px;height:720px;right:-260px;bottom:-300px;border-radius:50%;background:radial-gradient(circle,#D2FF6055,transparent 62%);filter:blur(10px);animation:glow 8s ease-in-out infinite alternate}
@keyframes glow{to{transform:translate(-80px,-60px) scale(1.1)}}
.auth__art h1{font:400 clamp(44px,6.4vw,104px)/.92 var(--f-display);text-transform:uppercase}
.auth__art h1 em{font-style:normal;color:var(--lime)}
.auth__art p{margin-top:22px;max-width:440px;color:#bdbdbd;font-size:16px}
.auth__ticker{display:flex;gap:10px;flex-wrap:wrap}
.auth__ticker span{border:1px solid #333;border-radius:999px;padding:8px 14px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#cfcfcf}
.auth__form{display:grid;place-items:center;padding:40px 24px;position:relative}
.auth__box{width:100%;max-width:400px}
.auth__box h2{font:400 34px/1 var(--f-display);text-transform:uppercase}
.auth__box>p{margin:12px 0 28px;color:var(--muted)}
.auth__err{min-height:20px;margin-top:4px;color:var(--red);font-weight:600;font-size:14px}
.pass{position:relative}
.pass .iconbtn{position:absolute;right:5px;top:4px}
.auth__theme{position:absolute;top:22px;right:22px}
.shake{animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-7px)}40%,80%{transform:translateX(7px)}}

/* ---------- onboarding ---------- */
.ob{min-height:100vh;display:flex;flex-direction:column}
.ob__top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px clamp(16px,4vw,48px)}
.ob__prog{position:fixed;top:0;left:0;right:0;height:4px;background:var(--surface3);z-index:5}
.ob__prog i{display:block;height:100%;background:var(--lime);transition:width .5s var(--ease);box-shadow:0 0 14px #D2FF60}
.ob__stage{flex:1;display:grid;place-items:center;padding:20px clamp(16px,4vw,48px) 60px}
.ob__q{width:100%;max-width:720px;animation:obin .5s var(--ease) both}
.ob__q.back{animation-name:obinb}
@keyframes obin{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:none}}
@keyframes obinb{from{opacity:0;transform:translateX(-40px)}to{opacity:1;transform:none}}
.ob__n{font:700 12px/1 var(--f-body);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-text);display:flex;align-items:center;gap:10px}
.ob__n i{width:30px;height:2px;background:currentColor}
.ob__q h1{margin-top:18px;font:400 clamp(30px,4.4vw,58px)/1.02 var(--f-display);text-transform:uppercase}
.ob__q h1 em{font-style:normal;background:var(--lime);color:#000;padding:0 .12em;border-radius:.12em}
.ob__q>p{margin-top:14px;color:var(--muted);font-size:16px;max-width:560px}
.ob__in{margin-top:30px}
.ob__in .inp{height:64px;font-size:20px;border-radius:18px;padding:0 22px}
.ob__in textarea.inp{min-height:160px;padding:18px 22px;font-size:17px}
.opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.opt{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:18px;border:1.5px solid var(--line);background:var(--surface);cursor:pointer;text-align:left;font-weight:700;font-size:15px;transition:border-color .15s,background .15s,transform .2s var(--ease)}
.opt:hover{border-color:var(--text);transform:translateY(-2px)}
.opt.on{border-color:var(--text);background:var(--text);color:var(--bg)}
.opt kbd{flex:none;width:28px;height:28px;border-radius:8px;border:1px solid var(--line2);display:grid;place-items:center;font:700 12px var(--f-body);color:var(--muted)}
.opt.on kbd{background:var(--lime);border-color:var(--lime);color:#000}
.opt em{font-style:normal;font-size:22px}
.ob__act{display:flex;align-items:center;gap:16px;margin-top:30px;flex-wrap:wrap}
.ob__hint{font-size:13px;color:var(--faint)}
.ob__hint kbd{font:700 11px var(--f-body);border:1px solid var(--line2);border-radius:6px;padding:3px 6px}
.ob__done{text-align:center}
.ob__done .big{font-size:84px;line-height:1;animation:pop .7s var(--ease) both}
@keyframes pop{0%{transform:scale(0) rotate(-30deg)}70%{transform:scale(1.15)}to{transform:none}}
#confetti{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:100}

/* ======================================================= */
/* ---------- overlays ---------- */
.ovl{position:fixed;inset:0;z-index:80;background:#0008;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px;animation:fade .2s both}
@keyframes fade{from{opacity:0}}
.modal{width:100%;max-width:560px;max-height:calc(100vh - 40px);overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow-lg);animation:mod .35s var(--ease) both}
.modal--wide{max-width:860px}
@keyframes mod{from{opacity:0;transform:translateY(20px) scale(.98)}}
.modal__head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 24px 16px;background:var(--surface)}
.modal__head h3{font:400 20px/1.1 var(--f-display);text-transform:uppercase}
.modal__body{padding:4px 24px 22px}
.modal__foot{position:sticky;bottom:0;display:flex;justify-content:flex-end;gap:10px;padding:16px 24px;border-top:1px solid var(--line);background:var(--surface);flex-wrap:wrap}
.ovl--drawer{justify-content:flex-end;padding:0}
.drawer{width:min(620px,100%);height:100%;overflow:auto;background:var(--bg);border-left:1px solid var(--line);box-shadow:var(--shadow-lg);animation:drw .4s var(--ease) both}
@keyframes drw{from{transform:translateX(40px);opacity:0}}
.drawer .modal__head{background:var(--bg);padding:22px 24px}
.drawer__body{padding:0 24px 40px;display:flex;flex-direction:column;gap:14px}
.toasts{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:120;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{display:flex;align-items:center;gap:10px;padding:13px 20px;border-radius:999px;background:#0A0A0A;color:#fff;font-weight:700;font-size:14px;box-shadow:0 14px 40px -12px #000a;animation:tin .4s var(--ease) both;pointer-events:auto}
.toast .ico{color:var(--lime)}
.toast--err .ico{color:#FF7A66}
:root[data-theme="dark"] .toast{background:#fff;color:#000}
:root[data-theme="dark"] .toast .ico{color:#000}
@keyframes tin{from{opacity:0;transform:translateY(16px) scale(.96)}}
.loader{display:grid;place-items:center;min-height:60vh}
.spin{width:36px;height:36px;border-radius:50%;border:3px solid var(--surface3);border-top-color:var(--lime);animation:sp 0.8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.skel{border-radius:var(--r);background:linear-gradient(90deg,var(--surface) 30%,var(--surface2) 50%,var(--surface) 70%);background-size:300% 100%;animation:sk 1.4s infinite;border:1px solid var(--line)}
@keyframes sk{to{background-position:-100% 0}}

/* ---------- admin tables ---------- */
.tbl-wrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;padding:12px 16px;font:700 10.5px/1 var(--f-body);letter-spacing:.1em;text-transform:uppercase;color:var(--faint);border-bottom:1px solid var(--line);white-space:nowrap;background:var(--surface)}
.tbl td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr{cursor:pointer;transition:background .12s}
.tbl tbody tr:hover td{background:var(--surface2)}
.who{display:flex;align-items:center;gap:12px;min-width:200px}
.who>div>b{display:block;font-size:14px}
.who>div>span{display:block;font-size:12.5px;color:var(--muted)}
.tbl .pb{display:flex;align-items:center;gap:10px;min-width:130px}
.tbl .pb .bar{flex:1}
.tbl .pb span{font-size:12px;font-weight:700;color:var(--muted);width:34px;text-align:right}
.tbl tr.off td{opacity:.5}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.search{position:relative;flex:1;min-width:200px;max-width:360px}
.search .ico{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--faint);width:18px;height:18px}
.search .inp{padding-left:42px;height:44px}
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.tile{padding:20px 22px}
.tile b{display:block;font:400 38px/1 var(--f-display)}
.tile span{display:block;margin-top:8px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.tile small{display:block;margin-top:4px;color:var(--faint);font-size:12.5px}
.tile--lime{background:var(--lime);border-color:var(--lime);color:#000}
.tile--lime span,.tile--lime small{color:#000b}
.tile--ink{background:var(--hero-bg);border-color:var(--hero-line);color:#fff}
.tile--ink span,.tile--ink small{color:#9a9a9a}

.adm-mod{margin-bottom:16px}
.adm-mod__head{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}
.adm-mod__head h3{flex:1;font:400 17px/1.15 var(--f-display);text-transform:uppercase;min-width:0}
.adm-mod__head p{font-size:13px;color:var(--muted);margin-top:4px;font-family:var(--f-body);text-transform:none}
.adm-les{display:flex;align-items:center;gap:14px;padding:12px 18px;border-bottom:1px solid var(--line);transition:background .12s}
.adm-les:last-child{border-bottom:0}
.adm-les:hover{background:var(--surface2)}
.adm-les__t{flex:1;min-width:0;cursor:pointer}
.adm-les__t b{display:block;font-size:14.5px}
.adm-les__t span{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.ord{display:flex;flex-direction:column}
.ord button{width:26px;height:20px;border:0;background:transparent;color:var(--faint);cursor:pointer;display:grid;place-items:center;border-radius:6px}
.ord button:hover{background:var(--surface3);color:var(--text)}
.ord .ico{width:15px;height:15px}

.matrix{border-collapse:separate;border-spacing:0;font-size:13px}
.matrix th,.matrix td{padding:8px;border-bottom:1px solid var(--line);text-align:center}
.matrix th{font:700 10.5px/1.25 var(--f-body);letter-spacing:.04em;text-transform:uppercase;color:var(--muted);min-width:110px;max-width:140px;vertical-align:bottom}
.matrix td:first-child,.matrix th:first-child{text-align:left;position:sticky;left:0;background:var(--surface);z-index:1;min-width:200px}
.cell{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--surface2);color:var(--faint);cursor:pointer;border:0;transition:transform .15s}
.cell:hover{transform:scale(1.12)}
.cell .ico{width:16px;height:16px;stroke-width:2.4}
.cell--accepted{background:var(--lime);color:#000}
.cell--submitted{background:var(--amber-bg);color:var(--amber)}
.cell--revision,.cell--late{background:var(--red-bg);color:var(--red)}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);align-items:center}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:14px;height:14px;border-radius:5px;display:inline-block}

.q{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--line);cursor:pointer;transition:background .12s}
.q:last-child{border-bottom:0}
.q:hover{background:var(--surface2)}
.q__t{flex:1;min-width:0}
.q__t b{display:block;font-size:14.5px}
.q__t span{font-size:12.5px;color:var(--muted)}
.creds{border-radius:20px;background:#0A0A0A;color:#fff;padding:20px 22px;font:500 15px/1.7 var(--f-mono);white-space:pre-wrap;position:relative;overflow-wrap:anywhere}
.creds b{color:var(--lime);font-weight:600}
.drop{border:2px dashed var(--line2);border-radius:20px;padding:26px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color .2s,background .2s}
.drop:hover,.drop.over{border-color:var(--text);background:var(--surface2);color:var(--text)}
.drop .ico{width:34px;height:34px;margin:0 auto 8px;stroke-width:1.5}
.upl{display:flex;flex-direction:column;gap:10px;padding:16px;border-radius:16px;background:var(--surface2)}
.mat-row{display:grid;grid-template-columns:1fr 1.4fr auto auto;gap:8px;align-items:center}
.answers{display:grid;gap:10px}
.answers div{padding:14px 16px;border-radius:16px;background:var(--surface2)}
.answers small{display:block;font:700 10.5px/1 var(--f-body);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.answers p{white-space:pre-wrap;font-size:14.5px}
.warn{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:16px;background:var(--amber-bg);color:var(--amber);font-size:14px;font-weight:600}
.warn .ico{flex:none;margin-top:1px}

/* ======================================================= */
@media (max-width:1180px){
  .dash>.c8,.dash>.c7,.dash>.c6,.dash>.c5,.dash>.c4{grid-column:1/-1}
  .lesson{grid-template-columns:1fr}
  .pl{position:static;max-height:none}
  .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1181px) and (max-width:1400px){
  .dash>.c8{grid-column:span 7}
  .dash>.c4{grid-column:span 5}
}
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .side{display:none}
  .topbar{display:flex;position:sticky;top:0;z-index:30;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .tabbar{display:flex;position:fixed;left:10px;right:10px;bottom:10px;z-index:40;justify-content:space-around;padding:6px;border-radius:24px;background:#0A0A0A;box-shadow:0 18px 40px -12px #000a;padding-bottom:calc(6px + env(safe-area-inset-bottom)/2)}
  .tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 2px;border-radius:18px;color:#8a8a8a;text-decoration:none;font-size:10px;font-weight:700;letter-spacing:.02em;position:relative}
  .tabbar a.on{color:#000;background:var(--lime)}
  .tabbar .badge{position:absolute;top:3px;right:calc(50% - 22px);min-width:16px;height:16px;border-radius:999px;background:var(--lime);color:#000;font-size:9.5px;font-weight:800;display:grid;place-items:center;padding:0 4px}
  .tabbar a.on .badge{background:#000;color:var(--lime)}
  .tabbar--icons a>span:not(.badge){display:none}
  .tabbar--icons a{padding:12px 2px}
  .main{padding:20px 16px 110px}
  .hero{grid-template-columns:1fr;padding:24px 20px;border-radius:24px}
  .hero .ring{position:absolute;top:18px;right:16px;width:92px;height:92px}
  .hero .ring__in b{font-size:22px}
  .hero .ring__in span{font-size:8.5px}
  .hero h1{padding-right:96px}
  .stats{grid-template-columns:repeat(3,minmax(0,1fr))}
  .stats b{font-size:18px}
  .stats span{font-size:9.5px}
  .card{padding:18px;border-radius:20px}
  .mod__head{padding:16px;gap:14px}
  .mod__num{width:44px;height:44px;font-size:17px;border-radius:14px}
  .mod__prog{display:none}
  .les{padding:13px 16px;gap:12px}
  .hw__head{padding:16px;gap:12px}
  .hw__ico{width:42px;height:42px;border-radius:14px}
  .hw__body{padding:0 16px 16px}
  .hw__grid{grid-template-columns:1fr}
  .prof{grid-template-columns:1fr}
  .auth{grid-template-columns:1fr}
  .auth__art{min-height:300px;padding:28px 20px}
  .auth__art p,.auth__ticker{display:none}
  .opts{grid-template-columns:1fr}
  .goal{grid-template-columns:1fr}
  .goal__arr{transform:rotate(90deg);height:20px}
  .grid2,.grid3{grid-template-columns:1fr}
  .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tile b{font-size:30px}
  .mat-row{grid-template-columns:1fr auto}
  .mat-row .inp:nth-child(2){grid-column:1/-1;grid-row:2}
  .modal{border-radius:24px}
  .ovl{padding:10px;align-items:flex-end}
  .ovl--drawer{padding:0}
  .course-top{grid-template-columns:1fr}
  .ed{grid-template-columns:1fr}
  .ed__side{position:static}
  .srch-btn{display:none}
  .ovl--top{padding-top:10px;align-items:flex-start}
}
@media (max-width:1180px){.ed{grid-template-columns:1fr}.ed__side{position:static}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}