:root{--bg:#0b0c0f;--panel:#16181d;--panel-border:#262933;--text:#f2f3f5;--text-dim:#9aa0ac;--accent:#d4a437;--accent-text:#1a1400;--danger:#e5484d;--success:#3dd68c}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:inherit}.page{min-height:100dvh;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--panel-border)}.header h1{font-size:18px;margin:0}.main{flex:1 1;padding:20px;max-width:720px;width:100%;margin:0 auto}.center-page{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:20px}.card{background:var(--panel);border:1px solid var(--panel-border);border-radius:12px;padding:24px;width:100%;max-width:380px}.card h1{font-size:20px;margin:0 0 4px}.card p.subtitle{color:var(--text-dim);font-size:14px;margin:0 0 20px}label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:6px}input{width:100%;padding:12px 14px;border-radius:8px;border:1px solid var(--panel-border);background:#0f1114;color:var(--text);font-size:15px;margin-bottom:16px}input:focus{outline:2px solid var(--accent);outline-offset:-1px}.button,button{display:inline-block;width:100%;padding:12px 16px;border-radius:8px;border:none;background:var(--accent);color:var(--accent-text);font-weight:600;font-size:15px;cursor:pointer;text-align:center;text-decoration:none}button:disabled{opacity:.6;cursor:default}.button-secondary{background:transparent;border:1px solid var(--panel-border);color:var(--text)}.error-text{color:var(--danger);font-size:13px;margin:-8px 0 16px}.list{display:flex;flex-direction:column;gap:12px}.list-item{display:block;background:var(--panel);border:1px solid var(--panel-border);border-radius:10px;padding:16px;text-decoration:none;color:var(--text)}.list-item h3{margin:0 0 4px;font-size:16px}.list-item p{margin:0;color:var(--text-dim);font-size:13px}.badge{display:inline-block;font-size:12px;padding:3px 8px;border-radius:999px;margin-top:8px}.badge-done{background:rgba(61,214,140,.15);color:var(--success)}.badge-pending{background:rgba(212,164,55,.15);color:var(--accent)}.question-block{background:var(--panel);border:1px solid var(--panel-border);border-radius:10px;padding:16px;margin-bottom:14px}.question-block p.question-text{font-weight:600;margin:0 0 12px}.option-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;border:1px solid var(--panel-border);margin-bottom:8px;cursor:pointer}.option-row input{width:auto;margin:0}.result-box{border-radius:10px;padding:16px;margin-bottom:16px;font-weight:600}.result-pass{background:rgba(61,214,140,.12);color:var(--success);border:1px solid rgba(61,214,140,.4)}.result-fail{background:rgba(229,72,77,.12);color:var(--danger);border:1px solid rgba(229,72,77,.4)}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--panel-border)}th{color:var(--text-dim);font-weight:500;font-size:12px;text-transform:uppercase}video{width:100%;border-radius:10px;margin-bottom:16px;background:#000}.content-text{white-space:pre-wrap;line-height:1.5;margin-bottom:20px}