@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap";:root{--primary:#00e5ff;--primary-dark:#00b8d4;--primary-glow:#00e5ff59;--bg:#0a0e14;--bg-secondary:#111820;--card-bg:#111820f2;--card-border:#00e5ff14;--text:#e8edf2;--text-dim:#7a8a9e;--success:#00e676;--success-glow:#00e67640;--error:#ff5252;--error-glow:#ff525240;--warning:#ffab40;--radius:16px;--radius-sm:12px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-family:Plus Jakarta Sans,-apple-system,BlinkMacSystemFont,sans-serif;overflow-x:hidden}.app-wrapper{flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:1.25rem;display:flex;position:relative;overflow:hidden}.app-wrapper:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle,#00e5ff0f 0%,#0000 70%);width:80vw;height:80vw;position:fixed;top:-50%;right:-30%}.app-wrapper:after{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle,#00e5ff0a 0%,#0000 70%);width:60vw;height:60vw;position:fixed;bottom:-40%;left:-20%}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:1;width:100%;max-width:620px;padding:2rem;position:relative;box-shadow:0 4px 24px #0006,inset 0 0 0 1px #ffffff08}.landing-image{object-fit:cover;border:1px solid #00e5ff33;border-radius:24px;width:140px;height:140px;margin:0 auto 1.5rem;display:block;box-shadow:0 8px 32px #00e5ff26}.landing-title{text-align:center;background:linear-gradient(135deg, #fff 30%, var(--primary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:.5rem;font-size:1.75rem;font-weight:800;line-height:1.2}.landing-subtitle{color:var(--text-dim);text-align:center;margin-bottom:1.5rem;font-size:.95rem;line-height:1.5}.stat-row{justify-content:center;gap:1.5rem;margin-bottom:2rem;display:flex}.stat-item{text-align:center}.stat-value{color:var(--primary);font-size:1.5rem;font-weight:800}.stat-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-top:2px;font-size:.75rem}.btn{background:linear-gradient(135deg, var(--primary), var(--primary-dark));color:#000;cursor:pointer;width:100%;box-shadow:0 4px 20px var(--primary-glow);text-align:center;border:none;border-radius:50px;padding:.9rem 1.5rem;font-family:inherit;font-size:1rem;font-weight:700;transition:all .25s;display:block}.btn:hover{box-shadow:0 8px 30px var(--primary-glow);transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-outline{color:var(--primary);box-shadow:none;background:0 0;border:1px solid #00e5ff4d}.btn-outline:hover{box-shadow:none;background:#00e5ff14}.quiz-header{justify-content:space-between;align-items:center;margin-bottom:1.25rem;display:flex}.quiz-counter{color:var(--text-dim);font-size:.8rem;font-weight:600}.quiz-counter span{color:var(--primary);font-weight:800}.quiz-score{color:var(--text-dim);font-size:.8rem}.quiz-score span{color:var(--success);font-weight:700}.progress{background:#ffffff0f;border-radius:10px;width:100%;height:4px;margin-bottom:1.5rem;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--primary), var(--primary-dark));height:100%;box-shadow:0 0 8px var(--primary-glow);border-radius:10px;transition:width .4s}.question-text{color:var(--text);margin-bottom:1.25rem;font-size:1.1rem;font-weight:600;line-height:1.55}.question-image{border-radius:var(--radius-sm);border:1px solid #ffffff0f;width:100%;margin-bottom:1.25rem;overflow:hidden}.question-image img{object-fit:contain;background:#fff;width:100%;max-height:280px;display:block}.options-list{flex-direction:column;gap:.6rem;margin-bottom:1.25rem;display:flex}.opt{border-radius:var(--radius-sm);cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;background:#ffffff08;border:1px solid #ffffff12;align-items:flex-start;gap:.75rem;padding:.9rem 1rem;transition:all .2s;display:flex}.opt:hover{background:#ffffff0f;border-color:#00e5ff26}.opt.selected{border-color:var(--primary);background:#00e5ff14}.opt.correct{border-color:var(--success)!important;background:#00e6761a!important}.opt.wrong{border-color:var(--error)!important;background:#ff52521a!important}.opt-letter{width:28px;height:28px;color:var(--primary);background:#00e5ff1a;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;margin-top:1px;font-size:.8rem;font-weight:700;transition:all .2s;display:flex}.opt.selected .opt-letter{background:var(--primary);color:#000}.opt.correct .opt-letter{background:var(--success)!important;color:#000!important}.opt.wrong .opt-letter{background:var(--error)!important;color:#fff!important}.opt-text{color:var(--text);flex:1;font-size:.95rem;line-height:1.45}.results-icon{text-align:center;margin-bottom:1rem;font-size:4rem}.results-score{text-align:center;margin-bottom:.25rem;font-size:3.5rem;font-weight:800;line-height:1}.results-score.passed{color:var(--success)}.results-score.failed{color:var(--error)}.results-label{text-align:center;margin-bottom:.5rem;font-size:1.2rem;font-weight:700}.results-detail{text-align:center;color:var(--text-dim);margin-bottom:1.75rem;font-size:.9rem}.results-bar{background:#ffffff0f;border-radius:10px;width:100%;height:8px;margin-bottom:1.75rem;overflow:hidden}.results-bar-fill{border-radius:10px;height:100%;transition:width 1s}.results-bar-fill.passed{background:linear-gradient(90deg, var(--success), #69f0ae);box-shadow:0 0 12px var(--success-glow)}.results-bar-fill.failed{background:linear-gradient(90deg, var(--error), #ff8a80);box-shadow:0 0 12px var(--error-glow)}.btn-group{flex-direction:column;gap:.6rem;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.fade-in{animation:.45s forwards fadeIn}.slide-in{animation:.35s forwards slideIn}@media (width<=500px){.card{border-radius:14px;padding:1.25rem}.landing-title{font-size:1.5rem}.question-text{font-size:1rem}.opt{padding:.75rem .85rem}.results-score{font-size:3rem}}