@import "https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&family=Poppins:wght@400;500;600;700&display=swap";:root{--primary:#1a5276;--secondary:#2e86c1;--accent:#f39c12;--success:#1e8449;--danger:#c0392b;--light:#eaf4fb;--white:#fff;--gray:#f4f6f8;--text:#2c3e50}*{box-sizing:border-box;margin:0;padding:0}body{background:linear-gradient(135deg,#1a5276 0%,#2e86c1 50%,#1a5276 100%);min-height:100vh;margin:0;padding:0;font-family:Nunito,sans-serif}.container{background:var(--white);border-radius:20px;width:100%;max-width:860px;margin:40px auto;overflow:hidden;box-shadow:0 25px 60px #0000004d}.header{color:#fff;text-align:center;background:linear-gradient(135deg,#1a5276,#2e86c1);padding:24px 30px}.header .uni{opacity:.85;letter-spacing:1px;text-transform:uppercase;font-size:13px}.header h1{margin:6px 0 4px;font-family:Poppins,sans-serif;font-size:22px;font-weight:700}.header .course{background:#ffffff26;border-radius:20px;margin-top:4px;padding:4px 14px;font-size:13px;display:inline-block}.progress-wrap{background:#d6eaf8;border-bottom:1px solid #aed6f1;align-items:center;gap:14px;padding:14px 30px;display:flex}.progress-bar-outer{background:#aed6f1;border-radius:10px;flex:1;height:10px;overflow:hidden}.progress-bar-inner{background:linear-gradient(90deg,#f39c12,#e67e22);border-radius:10px;width:0%;height:100%;transition:width .4s}.progress-text{color:var(--primary);white-space:nowrap;font-size:12px;font-weight:700}.timer-wrap{color:var(--primary);border:2px solid var(--secondary);background:#fff;border-radius:20px;padding:5px 14px;font-size:13px;font-weight:800}.timer-wrap.warning{color:var(--danger);border-color:var(--danger);animation:1s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}#start-screen{text-align:center;padding:40px 30px}#start-screen h2{color:var(--primary);margin-bottom:10px;font-family:Poppins,sans-serif;font-size:22px}#start-screen p{color:#555;margin-bottom:20px;font-size:14px;line-height:1.6}.info-grid{grid-template-columns:1fr 1fr;gap:12px;margin:20px 0 30px;display:grid}.info-card{background:var(--light);text-align:center;border:1px solid #aed6f1;border-radius:12px;padding:14px}.info-card .label{text-transform:uppercase;color:#888;letter-spacing:1px;font-size:11px}.info-card .value{color:var(--primary);margin-top:4px;font-size:20px;font-weight:800}#quiz-screen{padding:30px;display:none}.question-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.q-number{background:var(--primary);color:#fff;border-radius:20px;padding:5px 14px;font-size:12px;font-weight:700}.section-tag{background:var(--light);color:var(--secondary);text-transform:uppercase;letter-spacing:.5px;border:1px solid #aed6f1;border-radius:20px;padding:5px 12px;font-size:11px;font-weight:700}.question-text{color:var(--text);background:var(--gray);border-left:5px solid var(--primary);border-radius:10px;margin-bottom:22px;padding:18px;font-size:16px;font-weight:700;line-height:1.6}.options{flex-direction:column;gap:10px;display:flex}.option-btn{background:var(--white);text-align:left;cursor:pointer;color:var(--text);border:2px solid #d5d8dc;border-radius:12px;align-items:center;gap:12px;padding:14px 18px;font-family:Nunito,sans-serif;font-size:14px;font-weight:600;transition:all .2s;display:flex}.option-btn:hover:not(:disabled){border-color:var(--secondary);background:var(--light);transform:translate(4px)}.option-btn .opt-label{background:var(--light);min-width:30px;height:30px;color:var(--primary);border:2px solid #aed6f1;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:800;transition:all .2s;display:flex}.option-btn.correct{border-color:var(--success);color:var(--success);background:#eafaf1}.option-btn.correct .opt-label{background:var(--success);color:#fff;border-color:var(--success)}.option-btn.wrong{border-color:var(--danger);color:var(--danger);background:#fdedec}.option-btn.wrong .opt-label{background:var(--danger);color:#fff;border-color:var(--danger)}.option-btn:disabled{cursor:default}.feedback{border-radius:10px;margin-top:14px;padding:12px 16px;font-size:13px;font-weight:700;display:none}.feedback.correct{color:var(--success);background:#eafaf1;border:1px solid #a9dfbf}.feedback.wrong{color:var(--danger);background:#fdedec;border:1px solid #f1948a}.nav-btns{justify-content:space-between;gap:12px;margin-top:24px;display:flex}.btn{cursor:pointer;letter-spacing:.3px;border:none;border-radius:12px;padding:12px 28px;font-family:Nunito,sans-serif;font-size:14px;font-weight:800;transition:all .2s}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;box-shadow:0 4px 15px #1a52764d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #1a527666}.btn-secondary{background:var(--gray);color:var(--text);border:2px solid #d5d8dc}.btn-secondary:hover{background:#e8eaed}.btn-danger{color:#fff;background:linear-gradient(135deg,#c0392b,#e74c3c)}.btn-success{background:linear-gradient(135deg, var(--success), #27ae60);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}#result-screen{text-align:center;padding:40px 30px;display:none}.score-circle{border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:160px;height:160px;margin:0 auto 24px;font-family:Poppins,sans-serif;display:flex;box-shadow:0 10px 30px #00000026}.score-circle .score-num{color:#fff;font-size:42px;font-weight:800;line-height:1}.score-circle .score-label{color:#ffffffd9;font-size:13px;font-weight:600}.result-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0;display:grid}.result-card{text-align:center;border-radius:12px;padding:16px}.result-card .r-label{text-transform:uppercase;letter-spacing:1px;opacity:.8;font-size:11px}.result-card .r-val{margin-top:4px;font-size:24px;font-weight:800}.correct-card{color:var(--success);background:#eafaf1;border:2px solid #a9dfbf}.wrong-card{color:var(--danger);background:#fdedec;border:2px solid #f1948a}.total-card{background:var(--light);color:var(--primary);border:2px solid #aed6f1}.grade-badge{border-radius:30px;margin:10px 0 20px;padding:8px 28px;font-family:Poppins,sans-serif;font-size:18px;font-weight:800;display:inline-block}#result-screen h2{color:var(--primary);margin-bottom:10px;font-family:Poppins,sans-serif;font-size:22px}.review-section{text-align:left;margin-top:20px}.review-item{background:var(--gray);border-left:5px solid #aed6f1;border-radius:10px;margin-bottom:12px;padding:14px}.review-item.r-correct{border-left-color:var(--success)}.review-item.r-wrong{border-left-color:var(--danger)}.review-q{color:var(--text);margin-bottom:6px;font-size:13px;font-weight:700}.review-ans{font-size:12px}.review-ans span{font-weight:700}.start-btn{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;cursor:pointer;letter-spacing:.5px;border:none;border-radius:14px;padding:16px 40px;font-family:Nunito,sans-serif;font-size:16px;font-weight:800;transition:all .2s;box-shadow:0 6px 20px #1a527659}.start-btn:hover{transform:translateY(-3px);box-shadow:0 10px 30px #1a527673}@media (width<=600px){.info-grid{grid-template-columns:1fr 1fr}.result-grid{grid-template-columns:1fr}.question-text{font-size:14px}.option-btn{font-size:13px}.nav-btns{flex-direction:column}}@media (width<=768px){.container{border-radius:15px!important;width:95%!important;margin:60px auto!important;box-shadow:0 10px 30px #00000026!important}.token-banner{text-align:center;flex-direction:column!important;padding:20px!important}.header-actions{justify-content:center;width:100%;margin-top:15px}}#root{flex-direction:column;min-height:100vh;display:flex}@media (width<=768px){.admin-layout{flex-direction:column!important}.admin-sidebar{width:100%!important;padding:15px!important}.admin-nav-links{padding-bottom:5px;overflow-x:auto;flex-direction:row!important}.admin-nav-links button{flex:none;padding:10px 15px!important}.admin-content{width:100%!important;padding:15px!important}}