:root{--bg: #0f1115;--panel: #181b22;--panel-2: #20242e;--border: #2a2f3a;--text: #e6e8ec;--muted: #9aa3b2;--accent: #58cc02;--accent-dim: #46a302;--danger: #e5524a}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,system-ui,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.container{max-width:920px;margin:0 auto;padding:24px 20px 80px}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg);z-index:10;padding-top:max(16px,env(safe-area-inset-top))}.logo{font-weight:800;font-size:20px}.logo span{color:var(--accent)}.streak-chip{display:inline-flex;align-items:center;gap:6px;background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:999px;padding:6px 12px;font-weight:700;font-size:14px;cursor:pointer;transition:border-color .15s,transform .1s}.streak-chip:hover{border-color:var(--accent-dim);transform:translateY(-1px)}.streak-chip .flame{font-size:16px;line-height:1}.streak-chip .flame.dim{filter:grayscale(1) opacity(.55)}.streak-chip .count{min-width:14px;text-align:center}.time-input{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:8px 12px;font-size:14px;font-family:inherit;color-scheme:dark}.crumb{color:var(--muted);font-size:14px;margin-bottom:16px}.crumb a:hover{color:var(--text)}h1{font-size:26px;margin:4px 0}h2{font-size:18px;margin:24px 0 12px}.sub{color:var(--muted);margin:0 0 20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:14px;transition:border-color .15s,transform 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var(--border);cursor:pointer;font-size:14px}.tab.active{background:var(--accent);color:#07210a;font-weight:700;border-color:var(--accent)}.chat{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.msg{padding:12px 14px;border-radius:12px;max-width:85%;line-height:1.5}.msg.user{align-self:flex-end;background:var(--accent);color:#07210a}.msg.assistant,.msg.interviewer{align-self:flex-start;background:var(--panel-2);border:1px solid var(--border)}.msg.candidate{align-self:flex-end;background:var(--accent);color:#07210a}.msg p:first-child{margin-top:0}.msg p:last-child{margin-bottom:0}.msg pre{background:#0c0e12;padding:10px;border-radius:8px;overflow-x:auto}.msg code{background:#0c0e12;padding:1px 5px;border-radius:5px}.md{overflow-x:auto}.md table{border-collapse:collapse;width:100%;margin:10px 0;font-size:13px}.md th,.md td{border:1px solid var(--border);padding:7px 10px;text-align:left;vertical-align:top}.md thead th{background:var(--panel-2);font-weight:700}.md tbody tr:nth-child(2n){background:#ffffff08}.md.user table,.msg.user .md th,.msg.user .md td{border-color:#07210a40}.composer{display:flex;gap:10px;align-items:flex-end;position:sticky;bottom:0;background:var(--bg);padding:12px 0}textarea,input,select{width:100%;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-family:inherit;font-size:14px;resize:vertical}textarea{min-height:46px}.option{padding:12px 14px;border:1px solid var(--border);border-radius:10px;margin:8px 0;cursor:pointer;background:var(--panel)}.option:hover{border-color:var(--accent-dim)}.option.selected{border-color:var(--accent)}.option.correct{border-color:var(--accent);background:#58cc021f}.option.wrong{border-color:var(--danger);background:#e5524a1f}.score-big{font-size:40px;font-weight:800}.bar{height:8px;background:var(--panel-2);border-radius:6px;overflow:hidden}.bar>div{height:100%;background:var(--accent)}.dim-grid{display:grid;grid-template-columns:120px 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