/* SMOLNIKOV ACADEMY — LMS styles */
:root{
  --bg:#0a0a0c;--bg-2:#111114;--panel:#15151a;--line:#22222a;
  --ink:#e8e8ea;--ink-2:#a0a0a8;--ink-3:#6a6a74;
  --accent:#b6ff3c;--accent-2:#7af0ff;--warn:#ff6b5a;--ok:#6af28b;
  --max:1200px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
body{line-height:1.65;font-size:17px;overflow-x:hidden}
a{color:var(--accent-2);text-decoration:none;border-bottom:1px dashed rgba(122,240,255,.4)}
a:hover{color:#fff;border-bottom-color:#fff}
::selection{background:var(--accent);color:#000}

/* Header */
header.top{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(10,10,12,.82);border-bottom:1px solid var(--line)}
.top-row{max-width:var(--max);margin:0 auto;padding:12px 28px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:13px;color:var(--ink);border:none}
.brand-mark{width:26px;height:26px;border-radius:6px;background:var(--accent);color:#000;display:grid;place-items:center;font-weight:800;font-size:13px;flex-shrink:0}
.brand small{color:var(--ink-3);font-weight:400}
.course-badge{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--ink-3);padding:5px 12px;border:1px solid var(--line);border-radius:999px}

/* Hero */
.hero{max-width:var(--max);margin:0 auto;padding:52px 28px 36px}
.kicker{display:inline-flex;align-items:center;gap:10px;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:.14em;margin-bottom:18px}
.kicker::before{content:"";width:24px;height:1px;background:var(--accent)}
h1.hero-h{font-family:'Fraunces',serif;font-weight:800;font-size:clamp(38px,6vw,76px);line-height:.97;letter-spacing:-.02em;margin:0 0 18px}
h1.hero-h em{color:var(--accent);font-style:italic}
.hero-lead{max-width:640px;font-size:18px;color:var(--ink-2);line-height:1.5;margin:0 0 28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;padding-top:22px;border-top:1px solid var(--line);font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.08em}
.hero-meta b{color:var(--ink);font-weight:500}

/* LMS Layout */
.lms-layout{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:260px 1fr;gap:0;min-height:70vh}
@media(max-width:960px){.lms-layout{grid-template-columns:1fr}}

/* Sidebar */
.lms-sidebar{border-right:1px solid var(--line);padding:28px 20px;position:sticky;top:56px;align-self:start;height:calc(100vh - 56px);overflow-y:auto}
@media(max-width:960px){.lms-sidebar{position:static;height:auto;border-right:none;border-bottom:1px solid var(--line);padding:20px 22px}}
.sidebar-label{font-family:'JetBrains Mono',monospace;font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--ink-3);margin-bottom:12px}
.prog-bar{height:4px;background:var(--line);border-radius:2px;margin-bottom:8px;overflow:hidden}
.prog-fill{height:100%;background:var(--accent);transition:width .4s ease;width:0%}
.prog-txt{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--ink-3);margin-bottom:18px}
.lesson-list{list-style:none;padding:0;margin:0}
.lesson-item{display:flex;align-items:flex-start;gap:10px;padding:9px 10px;border-radius:8px;cursor:pointer;transition:background .15s}
.lesson-item:hover{background:rgba(255,255,255,.04)}
.lesson-item.active{background:rgba(182,255,60,.08)}
.lesson-item.active .lesson-title{color:#fff}
.lesson-check{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--ink-3);flex-shrink:0;margin-top:1px;width:16px}
.lesson-check.done{color:var(--accent)}
.lesson-check.in-prog{color:var(--accent-2)}
.lesson-title{font-size:13px;color:var(--ink-2);line-height:1.4}

/* Lesson content */
.lms-main{padding:40px 48px 60px}
@media(max-width:960px){.lms-main{padding:30px 22px 50px}}
.lesson-page{display:none;max-width:720px}
.mod-num{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:12px;letter-spacing:.1em;margin-bottom:14px}
h2.lesson-h{font-family:'Fraunces',serif;font-weight:800;font-size:clamp(28px,4vw,44px);line-height:1.05;letter-spacing:-.02em;margin:0 0 16px}
h2.lesson-h em{color:var(--accent);font-style:italic}
h3{font-family:'Inter',sans-serif;font-weight:700;font-size:21px;letter-spacing:-.01em;margin:32px 0 12px;color:#fff}
h4{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-2);margin:24px 0 8px}
p{margin:0 0 14px;color:var(--ink)}
p.lead{font-size:18px;color:var(--ink-2);margin-bottom:24px}
ul,ol{padding-left:22px;margin:0 0 18px;color:var(--ink)}
li{margin-bottom:8px}
strong{color:#fff;font-weight:600}
code{font-family:'JetBrains Mono',monospace;font-size:.86em;background:var(--panel);padding:2px 6px;border-radius:4px;color:var(--accent)}

.analogy{border-left:3px solid var(--accent-2);padding:4px 0 4px 18px;margin:18px 0;color:var(--ink-2);font-style:italic}
.analogy b{color:#fff;font-style:normal}

.box{border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:20px 0;background:var(--bg-2);position:relative}
.box-label{display:inline-flex;align-items:center;gap:8px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}
.box-label::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ink-3)}
.box.warn{border-color:rgba(255,107,90,.35);background:linear-gradient(180deg,rgba(255,107,90,.06),transparent 80%)}
.box.warn .box-label{color:var(--warn)}
.box.warn .box-label::before{background:var(--warn)}
.box.tip{border-color:rgba(182,255,60,.28);background:linear-gradient(180deg,rgba(182,255,60,.05),transparent 80%)}
.box.tip .box-label{color:var(--accent)}
.box.tip .box-label::before{background:var(--accent)}
.box.info{border-color:rgba(122,240,255,.25);background:linear-gradient(180deg,rgba(122,240,255,.04),transparent 80%)}
.box.info .box-label{color:var(--accent-2)}
.box.info .box-label::before{background:var(--accent-2)}
.box p:last-child{margin-bottom:0}

.check{list-style:none;padding:0;margin:16px 0}
.check li{position:relative;padding:8px 0 8px 32px;border-bottom:1px dashed var(--line)}
.check li::before{content:"";position:absolute;left:0;top:12px;width:18px;height:18px;border:1.5px solid var(--accent);border-radius:4px}
.check li::after{content:"✓";position:absolute;left:3px;top:8px;color:var(--accent);font-weight:700;font-size:13px}

dl.gloss{margin:16px 0}
dl.gloss dt{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin-top:16px;padding-top:12px;border-top:1px dashed var(--line)}
dl.gloss dd{margin:4px 0 0;color:var(--ink-2);font-size:14px;line-height:1.5}

/* Quiz */
.quiz-block{margin:36px 0 24px;border:1px solid rgba(182,255,60,.3);border-radius:14px;padding:24px;background:linear-gradient(160deg,rgba(182,255,60,.05),rgba(10,10,12,0) 70%)}
.quiz-head{font-family:'JetBrains Mono',monospace;font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.quiz-icon{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--accent);display:grid;place-items:center;font-size:12px}
.quiz-q{margin-bottom:20px}
.quiz-qtext{color:#fff;font-weight:500;margin-bottom:10px;font-size:15px}
.quiz-opt{display:flex;align-items:flex-start;gap:10px;padding:9px 12px;border-radius:8px;cursor:pointer;transition:background .12s;font-size:14px;color:var(--ink-2);margin-bottom:4px}
.quiz-opt:hover{background:rgba(255,255,255,.04);color:#fff}
.quiz-opt input{margin-top:2px;accent-color:var(--accent);flex-shrink:0}
.quiz-btn{margin-top:4px;padding:10px 22px;background:var(--accent);color:#000;border:none;border-radius:999px;font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:700;cursor:pointer;transition:background .15s;letter-spacing:.06em}
.quiz-btn:hover{background:#d5ff6e}
.quiz-result{margin-top:12px;font-family:'JetBrains Mono',monospace;font-size:13px;padding:10px 14px;border-radius:8px;display:none}
.quiz-result:not(:empty){display:block}
.quiz-result.pass{background:rgba(106,242,139,.1);color:var(--ok);border:1px solid rgba(106,242,139,.3)}
.quiz-result.fail{background:rgba(255,107,90,.08);color:var(--warn);border:1px solid rgba(255,107,90,.25)}
.quiz-result.warn{background:rgba(160,160,168,.08);color:var(--ink-2);border:1px solid var(--line)}

/* Homework */
.hw-block{margin:20px 0 28px;border:1px solid var(--line);border-radius:14px;padding:22px;background:var(--bg-2)}
.hw-head{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--ink);font-weight:600;text-transform:uppercase;letter-spacing:.1em}
.hw-badge{font-size:10px;padding:3px 8px;border-radius:999px;background:rgba(160,160,168,.12);color:var(--ink-3);border:1px solid var(--line);font-weight:400;text-transform:none;letter-spacing:0}
.hw-desc{color:var(--ink-2);font-size:14px;margin-bottom:14px}
.hw-ta{width:100%;min-height:90px;background:var(--bg);border:1px solid var(--line);border-radius:8px;color:var(--ink);font-family:'Inter',sans-serif;font-size:14px;padding:12px;resize:vertical;outline:none;line-height:1.55}
.hw-ta:focus{border-color:rgba(182,255,60,.4)}
.hw-btn{margin-top:8px;padding:8px 18px;background:transparent;border:1px solid var(--line);border-radius:999px;color:var(--ink-2);font-family:'JetBrains Mono',monospace;font-size:11px;cursor:pointer;transition:all .15s}
.hw-btn:hover{border-color:var(--accent);color:var(--accent)}

/* Lesson nav footer */
.lesson-nav-footer{display:flex;justify-content:space-between;align-items:center;padding-top:28px;border-top:1px solid var(--line);margin-top:10px}
.nav-btn{padding:10px 22px;border-radius:999px;font-family:'JetBrains Mono',monospace;font-size:12px;cursor:pointer;transition:all .15s;font-weight:600;letter-spacing:.06em}
.nav-prev{background:transparent;border:1px solid var(--line);color:var(--ink-2)}
.nav-prev:hover{border-color:var(--ink);color:var(--ink)}
.nav-next{background:var(--accent);border:1px solid var(--accent);color:#000}
.nav-next:hover{background:#d5ff6e}

/* Completion screen */
#completion-screen{display:none;max-width:600px;padding:60px 48px}
@media(max-width:760px){#completion-screen{padding:40px 22px}}
.complete-icon{font-size:52px;margin-bottom:20px}
.complete-h{font-family:'Fraunces',serif;font-weight:800;font-size:clamp(36px,5vw,58px);line-height:1;letter-spacing:-.02em;margin:0 0 14px}
.complete-h em{color:var(--accent);font-style:italic}
.complete-sub{color:var(--ink-2);font-size:18px;margin-bottom:32px}
.complete-links{display:flex;flex-wrap:wrap;gap:12px}
.complete-links a{padding:11px 20px;border-radius:999px;font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:600;letter-spacing:.06em}
.complete-links a.primary{background:var(--accent);color:#000;border:none}
.complete-links a.primary:hover{background:#d5ff6e}
.complete-links a.sec{background:transparent;border:1px solid var(--line);color:var(--ink-2)}
.complete-links a.sec:hover{border-color:var(--accent-2);color:var(--accent-2)}

/* Footer */
footer.bottom{border-top:1px solid var(--line);padding:40px 28px;text-align:center;color:var(--ink-3);font-size:12px;font-family:'JetBrains Mono',monospace}