:root{--bg-primary: #070f1e;--bg-secondary: #0d1b33;--bg-card: rgba(15, 29, 58, .75);--border-color: #1e355f;--text-main: #f8fafc;--text-muted: #94a3b8;--brand-primary: #2563eb;--brand-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);--brand-accent: #f59e0b;--success: #10b981;--danger: #ef4444;--radius-lg: 16px;--radius-md: 12px;--shadow-lg: 0 20px 30px -10px rgba(0, 0, 0, .5)}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,Noto Sans Devanagari,Noto Sans Telugu,system-ui,sans-serif}[dir=rtl]{direction:rtl;font-family:Noto Nastaliq Urdu,Inter,system-ui,sans-serif}body{background-color:var(--bg-primary);color:var(--text-main);min-height:100vh;display:flex;flex-direction:column}.web-container{width:100%;max-width:760px;margin:0 auto;padding:24px 16px;flex:1;display:flex;flex-direction:column}.quiz-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}.brand-badge{display:inline-flex;align-items:center;gap:8px;background:#2563eb26;border:1px solid rgba(37,99,235,.3);padding:6px 14px;border-radius:30px;font-size:13px;font-weight:600;color:#60a5fa}.lang-picker{display:flex;gap:6px;flex-wrap:wrap}.lang-btn{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-muted);padding:6px 10px;border-radius:8px;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s ease}.lang-btn.active{background:var(--brand-primary);color:#fff;border-color:var(--brand-primary)}.lang-btn:hover:not(.active){border-color:var(--brand-primary);color:var(--text-main)}.quiz-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px 24px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:20px}.progress-bar-container{width:100%;height:8px;background:var(--bg-secondary);border-radius:10px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--brand-gradient);transition:width .3s ease}.timer-badge{display:inline-flex;align-items:center;gap:6px;background:#ef444426;border:1px solid rgba(239,68,68,.3);color:#f87171;padding:6px 14px;border-radius:20px;font-weight:700;font-size:14px;transition:all .3s ease}.timer-badge.timer-warning{background:#ef44444d;border-color:#ef444499;animation:pulse 1s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.option-btn{width:100%;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px 20px;color:var(--text-main);font-size:15px;font-weight:500;text-align:left;cursor:pointer;display:flex;align-items:center;gap:14px;transition:all .2s ease}[dir=rtl] .option-btn{text-align:right}.option-btn:hover{border-color:var(--brand-primary);background:#2563eb1a}.option-btn.selected{border-color:var(--brand-primary);background:#2563eb33;box-shadow:0 0 0 2px var(--brand-primary)}.option-key{width:32px;height:32px;min-width:32px;border-radius:8px;background:#ffffff14;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}.option-btn.selected .option-key{background:var(--brand-primary);color:#fff}.option-text{flex:1;line-height:1.4}.quiz-options{display:flex;flex-direction:column;gap:12px}.quiz-actions{display:flex;justify-content:space-between;margin-top:10px;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-md);font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .2s ease;text-decoration:none}.btn-primary{background:var(--brand-gradient);color:#fff;box-shadow:0 4px 14px #2563eb66}.btn-primary:hover{opacity:.95;transform:translateY(-1px)}.btn-secondary{background:var(--bg-secondary);color:var(--text-main);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--brand-primary)}.form-input{width:100%;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;padding:14px 16px;color:var(--text-main);font-size:15px;outline:none;transition:border-color .2s ease}.form-input:focus{border-color:var(--brand-primary)}.form-input-error{border-color:var(--danger)!important}.form-label{font-size:13px;color:var(--text-muted);display:block;margin-bottom:6px;font-weight:500}.form-error{font-size:12px;color:var(--danger);margin-top:4px;display:block}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.download-banner{background:linear-gradient(135deg,#2563eb33,#7c3aed33);border:1px solid rgba(124,58,237,.4);border-radius:var(--radius-lg);padding:24px;text-align:center;margin-top:20px}.download-title{font-size:17px;font-weight:700;margin-bottom:6px}.download-description{font-size:13px;color:var(--text-muted);margin-bottom:16px;line-height:1.5}.download-buttons{display:flex;gap:10px;flex-wrap:wrap}.download-btn{flex:1;min-width:140px;font-size:13px;padding:10px 16px}.quiz-runner-header{display:flex;justify-content:space-between;align-items:center}.quiz-question-counter{font-weight:700;font-size:14px;color:var(--text-muted)}.quiz-question-text{font-size:18px;line-height:1.6;font-weight:600}.quiz-status-bar{display:flex;justify-content:center;color:var(--text-muted);font-size:13px;padding-top:8px;border-top:1px solid var(--border-color)}.question-dots{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}.question-dot{width:28px;height:28px;border-radius:6px;font-size:11px;font-weight:700;border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.question-dot.current{border-color:var(--brand-primary);background:#2563eb33;color:#fff}.question-dot.answered{background:#10b98133;border-color:var(--success);color:var(--success)}.question-dot.current.answered{border-color:var(--brand-primary);background:#2563eb4d;color:#fff}.result-card{text-align:center;align-items:center}.result-icon-container{width:72px;height:72px;border-radius:50%;border:3px solid;display:flex;align-items:center;justify-content:center;background:#10b9811a}.result-title{font-size:26px;font-weight:800}.result-subtitle{color:var(--text-muted);font-size:14px}.result-score-circle{width:100px;height:100px;border-radius:50%;border:4px solid;display:flex;flex-direction:column;align-items:center;justify-content:center}.result-score-value{font-size:28px;font-weight:800}.result-score-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.result-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;width:100%}.result-stat-item{background:var(--bg-secondary);padding:14px 8px;border-radius:var(--radius-md);display:flex;flex-direction:column;align-items:center;gap:6px}.result-stat-value{font-size:20px;font-weight:800}.result-stat-label{font-size:11px;color:var(--text-muted)}.result-participants{color:var(--text-muted);font-size:13px}.leaderboard-card{gap:16px}.leaderboard-header{display:flex;align-items:center;gap:10px}.leaderboard-header h3{font-size:18px;font-weight:700;flex:1}.leaderboard-count{font-size:12px;color:var(--text-muted)}.leaderboard-list{display:flex;flex-direction:column;gap:4px}.leaderboard-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius-md);background:var(--bg-secondary);transition:all .2s ease}.leaderboard-row-highlight{background:#2563eb26;border:1px solid rgba(37,99,235,.3)}.leaderboard-rank{min-width:36px;display:flex;align-items:center;justify-content:center}.rank-number{font-size:13px;font-weight:700;color:var(--text-muted)}.leaderboard-info{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.leaderboard-name{font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.you-badge{font-size:10px;background:var(--brand-primary);color:#fff;padding:2px 6px;border-radius:4px;font-weight:700}.leaderboard-school{font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.leaderboard-score{font-size:14px;font-weight:700;color:var(--brand-accent);white-space:nowrap}.leaderboard-your-rank{display:flex;justify-content:center;gap:8px;padding:12px;border-top:1px solid var(--border-color);font-size:14px;color:var(--text-muted)}.leaderboard-your-rank strong{color:var(--brand-primary)}.leaderboard-loading{display:flex;flex-direction:column;gap:8px}.loading-skeleton{height:48px;background:var(--bg-secondary);border-radius:var(--radius-md);animation:shimmer 1.5s infinite;background-image:linear-gradient(90deg,var(--bg-secondary) 0%,rgba(255,255,255,.05) 50%,var(--bg-secondary) 100%);background-size:200% 100%}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.error-icon{width:64px;height:64px;border-radius:50%;background:#ef444426;border:2px solid rgba(239,68,68,.3);color:var(--danger);font-size:24px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto}.spin-animation{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;padding:16px;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px 24px;max-width:400px;width:100%;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.modal-icon{margin-bottom:4px}.modal-title{font-size:20px;font-weight:700}.modal-message{font-size:14px;color:var(--text-muted);line-height:1.5}.modal-actions{display:flex;gap:12px;margin-top:8px;width:100%}.modal-actions .btn{flex:1}@media (max-width: 480px){.web-container{padding:16px 12px}.quiz-card{padding:24px 16px;gap:16px}.quiz-header{flex-direction:column;align-items:flex-start;gap:10px}.lang-picker{width:100%;justify-content:flex-start}.form-row{grid-template-columns:1fr}.quiz-question-text{font-size:16px}.option-btn{padding:14px 16px;font-size:14px}.result-stats-grid{grid-template-columns:repeat(2,1fr)}.quiz-actions{flex-direction:column-reverse;gap:8px}.quiz-actions .btn{width:100%}.question-dots{gap:4px}.question-dot{width:24px;height:24px;font-size:10px}.download-buttons{flex-direction:column}.download-btn{min-width:unset}.modal-actions{flex-direction:column}}@media (max-width: 360px){.quiz-card{padding:20px 14px}.result-title{font-size:22px}.result-score-circle{width:80px;height:80px}.result-score-value{font-size:22px}}select.form-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 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