@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";.app-container{flex-direction:column;min-height:100vh;display:flex}.main-content{flex-direction:column;flex:1;display:flex}.lang-switcher{background:var(--bg-main);border:1px solid var(--border);color:var(--text-muted);border-radius:2rem;align-items:center;padding:.4rem .8rem;display:flex}.lang-select{color:var(--text-main);cursor:pointer;background:0 0;border:none;outline:none;font-family:Outfit,sans-serif;font-size:.875rem;font-weight:600}.header{background:var(--bg-card);border-bottom:1px solid var(--border);z-index:100;height:70px;box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:0 2rem;display:flex;position:sticky;top:0}.logo{color:var(--primary);align-items:center;gap:.75rem;font-size:1.5rem;font-weight:800;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;border-radius:var(--radius);padding:.5rem;display:flex}.hero{background:radial-gradient(circle at 100% 0,#e8eaf6 0%,#0000 40%),radial-gradient(circle at 0 100%,#e0f7fa 0%,#0000 40%);flex:1;justify-content:center;align-items:center;padding:2rem;display:flex}.hero-card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);text-align:center;border:1px solid var(--border);width:100%;max-width:500px;padding:3rem}.hero-title{color:var(--primary);margin-bottom:1rem;font-size:2.5rem}.hero-desc{color:var(--text-muted);margin-bottom:2rem}.login-form{flex-direction:column;gap:1rem;display:flex}.input-group{text-align:left}.input-group label{color:var(--text-main);margin-bottom:.5rem;font-size:.875rem;font-weight:600;display:block}.input-field{border:2px solid var(--border);border-radius:var(--radius);width:100%;transition:var(--transition);outline:none;padding:.75rem 1rem;font-family:inherit;font-size:1rem}.input-field:focus{border-color:var(--primary-light);box-shadow:0 0 0 4px #3949ab1a}.btn-primary{background:var(--primary);color:#fff;border-radius:var(--radius);justify-content:center;align-items:center;gap:.5rem;padding:.875rem 1.5rem;font-size:1rem;font-weight:600;display:flex;box-shadow:0 4px 14px #1a237e63}.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px)}.quiz-layout{grid-template-columns:1fr 320px;gap:2rem;width:100%;max-width:1400px;margin:0 auto;padding:2rem;display:grid}@media (width<=1024px){.quiz-layout{grid-template-columns:1fr}}.quiz-main{flex-direction:column;gap:1.5rem;display:flex}.status-bar{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);justify-content:space-between;align-items:center;padding:1.25rem 2rem;display:flex}.timer{font-variant-numeric:tabular-nums;color:var(--primary);align-items:center;gap:.75rem;font-size:1.25rem;font-weight:700;display:flex}.timer.warning{color:var(--error);animation:1s infinite pulse}.progress-container{flex:1;max-width:400px;margin:0 2rem}.progress-info{justify-content:space-between;margin-bottom:.5rem;font-size:.875rem;font-weight:600;display:flex}.progress-bar{background:var(--border);border-radius:var(--radius-full);height:8px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--primary), var(--secondary));height:100%;transition:width .5s cubic-bezier(.4,0,.2,1)}.question-card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);flex-direction:column;min-height:400px;padding:2.5rem;display:flex}.category-tag{background:var(--primary-light);color:#fff;text-transform:uppercase;border-radius:var(--radius-full);margin-bottom:1.5rem;padding:.25rem .75rem;font-size:.75rem;font-weight:700;display:inline-block}.question-text{color:var(--text-main);margin-bottom:2rem;font-size:1.5rem;font-weight:600}.options-grid{gap:1rem;display:grid}.option-btn{border:2px solid var(--border);border-radius:var(--radius);text-align:left;transition:var(--transition);align-items:center;gap:1rem;padding:1.25rem;font-size:1rem;font-weight:500;display:flex}.option-btn:hover{border-color:var(--primary-light);background:var(--bg-main)}.option-btn.selected{border-color:var(--primary);color:var(--primary);background:#e8eaf6}.option-circle{border:2px solid;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:.75rem;font-weight:700;display:flex}.quiz-footer{justify-content:space-between;margin-top:auto;padding-top:2rem;display:flex}.btn-secondary{border-radius:var(--radius);border:2px solid var(--border);color:var(--text-main);padding:.75rem 1.5rem;font-weight:600}.btn-secondary:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.quiz-sidebar{flex-direction:column;gap:1.5rem;display:flex}.sidebar-card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);padding:1.5rem}.card-title{align-items:center;gap:.5rem;margin-bottom:1.25rem;font-size:1.125rem;font-weight:700;display:flex}.question-grid{grid-template-columns:repeat(5,1fr);gap:.75rem;display:grid}.grid-item{aspect-ratio:1;border-radius:var(--radius-sm);border:2px solid var(--border);color:var(--text-muted);font-size:.875rem;font-weight:700}.grid-item.active{border-color:var(--primary);color:var(--primary);background:#e8eaf6}.grid-item.answered{background:var(--primary);border-color:var(--primary);color:#fff}.results-container{width:100%;max-width:800px;margin:0 auto;padding:3rem 2rem}.results-card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);text-align:center;padding:3rem}.score-circle{background:conic-gradient(var(--primary) var(--percentage), var(--border) 0);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:200px;height:200px;margin:0 auto 2rem;display:flex;position:relative}.score-circle:after{content:"";background:var(--bg-card);border-radius:50%;position:absolute;inset:15px}.score-inner{z-index:1;position:relative}.score-value{font-size:3.5rem;font-weight:800;line-height:1}.score-label{color:var(--text-muted);font-size:1rem;font-weight:600}.stats-grid{grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-bottom:2.5rem;display:grid}.stat-item{background:var(--bg-main);border-radius:var(--radius);padding:1rem}.stat-val{color:var(--primary);font-size:1.5rem;font-weight:700}.stat-lbl{text-transform:uppercase;color:var(--text-muted);font-size:.75rem;font-weight:700}.theme-toggle{background:var(--bg-main);width:40px;height:40px;color:var(--text-main);border-radius:50%}.theme-toggle:hover{background:var(--border)}.review-item{text-align:left;border-bottom:1px solid var(--border);padding:1.5rem}.review-item:last-child{border-bottom:none}.review-question{margin-bottom:1rem;font-weight:600}.review-options{gap:.5rem;display:grid}.review-option{border-radius:var(--radius-sm);padding:.75rem;font-size:.9rem}.review-option.correct{color:#065f46;background:#d1fae5;border:1px solid #10b981}.review-option.wrong{color:#991b1b;background:#fee2e2;border:1px solid #ef4444}:root{--primary:#1a56db;--primary-light:#3b82f6;--secondary:#facc15;--accent:#ef4444;--ugti-orange:#f97316;--bg-main:#f8fafc;--bg-card:#fff;--text-main:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--success:#10b981;--error:#ef4444;--warning:#f59e0b;--glass:#fffc;--glass-border:#fff3;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--radius-sm:.375rem;--radius:.75rem;--radius-lg:1rem;--radius-full:9999px;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}.dark{--bg-main:#0f172a;--bg-card:#1e293b;--text-main:#f8fafc;--text-muted:#94a3b8;--border:#334155;--glass:#1e293bcc}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;transition:var(--transition);font-family:Outfit,sans-serif;line-height:1.5}h1,h2,h3,h4{letter-spacing:-.025em;font-weight:700}button{cursor:pointer;transition:var(--transition);background:0 0;border:none;font-family:inherit}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-main)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-spin{animation:1s linear infinite spin}.fade-in{animation:.5s ease-out forwards fadeIn}.container{max-width:1280px;margin:0 auto;padding:0 1.5rem}.flex-center{justify-content:center;align-items:center;display:flex}.glass{background:var(--glass);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border)}