:root{--jss-blue:#1a6bff;--jss-blue-dk:#0f4fd6;--jss-blue-lt:#eff5ff;--jss-blue-md:#d0e3ff;--jss-green:#16a34a;--jss-green-lt:#f0fdf4;--jss-amber:#d97706;--jss-amber-lt:#fffbeb;--jss-red:#dc2626;--jss-red-lt:#fef2f2;--jss-purple:#7c3aed;--jss-purple-lt:#f5f3ff;--jss-cyan:#0891b2;--jss-cyan-lt:#ecfeff;--ink:#0f172a;--ink-2:#1e293b;--ink-3:#334155;--muted:#64748b;--muted-2:#94a3b8;--border:#e2e8f0;--border-dk:#cbd5e1;--bg:#f8fafc;--surface:#fff;--font-body:"Inter",system-ui,sans-serif;--font-display:"Plus Jakarta Sans","Inter",system-ui,sans-serif;--r-sm:6px;--r:12px;--r-lg:20px;--r-xl:28px;--shadow-xs:0 1px 2px #0000000d;--shadow-sm:0 1px 3px #00000014,0 1px 2px #0000000a;--shadow:0 4px 16px #00000014,0 1px 3px #0000000a;--shadow-lg:0 10px 30px #0000001a,0 3px 8px #0000000d;--sidebar-w:264px;--topnav-h:64px;--mobile-nav-h:60px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-body);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.6}img{max-width:100%;height:auto}button{cursor:pointer;background:0 0;border:none;outline:none;font-family:inherit}a{color:inherit;text-decoration:none}input,select,textarea{font-family:inherit}ul{list-style:none}#topnav{height:var(--topnav-h);background:var(--surface);border-bottom:1px solid var(--border);z-index:200;align-items:center;gap:16px;padding:0 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#ef444400}}.btn-live:hover{background:#dc2626}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:20px}.card-sm{padding:14px}.card-lg{padding:28px}.card:hover.hoverable{box-shadow:var(--shadow);border-color:var(--jss-blue-md);transition:all .2s;transform:translateY(-1px)}.card.hoverable{cursor:pointer;transition:all .2s}.pill{border-radius:99px;align-items:center;gap:4px;padding:3px 9px;font-size:11px;font-weight:700;display:inline-flex}.pill-blue{background:var(--jss-blue-lt);color:var(--jss-blue)}.pill-green{background:var(--jss-green-lt);color:var(--jss-green)}.pill-red{background:var(--jss-red-lt);color:var(--jss-red)}.pill-amber{background:var(--jss-amber-lt);color:var(--jss-amber)}.pill-purple{background:var(--jss-purple-lt);color:var(--jss-purple)}.pill-gray{background:var(--bg);color:var(--muted);border:1px solid var(--border)}.live-pulse{align-items:center;gap:5px;display:flex}.live-dot{background:#ef4444;border-radius:50%;width:7px;height:7px;animation:1.5s infinite livePulse}@keyframes livePulse{0%,to{opacity:1}50%{opacity:.3}}.grid-2{grid-template-columns:1fr 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var(--border)}.course-desc{color:var(--muted);margin-bottom:14px;font-size:13px;line-height:1.55}.course-price{font-family:var(--font-display);color:var(--ink);margin-bottom:12px;font-size:22px;font-weight:800}.course-price span{color:var(--muted);font-size:13px;font-weight:500}.course-card-footer{border-top:1px solid var(--border);background:var(--bg);padding:14px 20px}.course-enroll-btn{width:100%}.enrolled-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);cursor:pointer;transition:all .2s;overflow:hidden}.enrolled-card:hover{box-shadow:var(--shadow);border-color:var(--jss-blue-md);transform:translateY(-2px)}.enrolled-card-top{align-items:flex-start;gap:14px;padding:18px 20px 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var(--border);border-radius:var(--r-lg);cursor:pointer;padding:20px;transition:all .2s}.exam-card:hover{box-shadow:var(--shadow);border-color:var(--jss-blue-md);transform:translateY(-2px)}.exam-card-top{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.exam-icon{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:20px;display:flex}.exam-name{font-family:var(--font-display);color:var(--ink);margin-bottom:2px;font-size:15px;font-weight:800}.exam-subject{color:var(--muted);font-size:12px;font-weight:500}.exam-meta{flex-wrap:wrap;gap:12px;margin-bottom:14px;display:flex}.exam-meta-item{color:var(--muted);align-items:center;gap:5px;font-size:12px;font-weight:500;display:flex}.mcq-question-block{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);margin-bottom:12px;padding:20px}.mcq-q-num{color:var(--jss-blue);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px;font-size:11px;font-weight:700}.mcq-q-text{color:var(--ink);margin-bottom:14px;font-size:15px;font-weight:600;line-height:1.5}.mcq-option{border:1.5px solid var(--border);border-radius:var(--r-sm);cursor:pointer;color:var(--ink-3);align-items:center;gap:12px;margin-bottom:8px;padding:11px 14px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.mcq-option:hover,.mcq-option.selected{border-color:var(--jss-blue);background:var(--jss-blue-lt);color:var(--jss-blue)}.mcq-option.correct{border-color:var(--jss-green);background:var(--jss-green-lt);color:var(--jss-green)}.mcq-option.wrong{border-color:var(--jss-red);background:var(--jss-red-lt);color:var(--jss-red)}.mcq-radio{border:2px solid var(--border);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:18px;height:18px;transition:all 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