*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--success: #22c55e;--success-light: #86efac;--warning: #f59e0b;--danger: #ef4444;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--gray-50);color:var(--gray-800);line-height:1.6;min-height:100vh}#root{min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.navbar{background:#fff;border-bottom:1px solid var(--gray-200);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100}.navbar-brand{font-size:1.5rem;font-weight:700;color:var(--primary);text-decoration:none;display:flex;align-items:center;gap:.5rem}.navbar-nav{display:flex;align-items:center;gap:1rem}.main-content{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:500;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:all 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var(--gray-100)}.card-title{font-size:1.25rem;font-weight:600;color:var(--gray-800)}.card-subtitle{font-size:.9rem;color:var(--gray-500);margin-top:.25rem}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-size:.9rem;font-weight:500;color:var(--gray-700);margin-bottom:.5rem}.form-input{width:100%;padding:.75rem 1rem;font-size:1rem;border:2px solid var(--gray-200);border-radius:var(--radius-sm);transition:all .2s;outline:none}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.form-input::placeholder{color:var(--gray-400)}.form-select{width:100%;padding:.75rem 1rem;font-size:1rem;border:2px solid var(--gray-200);border-radius:var(--radius-sm);background:#fff;cursor:pointer;outline:none}.form-select:focus{border-color:var(--primary)}.progress-bar{height:8px;background:var(--gray-200);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:var(--primary);border-radius:4px;transition:width .3s ease}.progress-fill.success{background:var(--success)}.grid{display:grid;gap:1.5rem}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}}.package-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem;display:flex;flex-direction:column;gap:1rem;transition:all .2s;border:2px solid transparent}.package-card:hover{border-color:var(--primary-light);transform:translateY(-2px)}.package-card.type-1{border-left:4px solid #8b5cf6}.package-card.type-2{border-left:4px solid #3b82f6}.package-card.type-3{border-left:4px solid #10b981}.package-type-badge{display:inline-block;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600;text-transform:uppercase}.badge-manual{background:#f3e8ff;color:#7c3aed}.badge-auto{background:#dbeafe;color:#2563eb}.badge-adaptive{background:#d1fae5;color:#059669}.question-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:2rem;max-width:700px;margin:0 auto}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--gray-100)}.question-type{padding:.5rem 1rem;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600}.type-ogren{background:#fef3c7;color:#d97706}.type-uygula{background:#dbeafe;color:#2563eb}.type-fethet{background:#fce7f3;color:#db2777}.question-content{font-size:1.2rem;line-height:1.8;color:var(--gray-800);margin-bottom:2rem}.options-list{display:flex;flex-direction:column;gap:.75rem}.option-btn{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;background:var(--gray-50);border:2px solid var(--gray-200);border-radius:var(--radius-sm);cursor:pointer;transition:all .2s;text-align:left;font-size:1rem}.option-btn:hover{border-color:var(--primary);background:#fff}.option-btn.selected{border-color:var(--primary);background:#6366f10d}.option-btn.correct{border-color:var(--success);background:#22c55e1a}.option-btn.wrong{border-color:var(--danger);background:#ef44441a}.option-letter{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--gray-200);border-radius:50%;font-weight:600;color:var(--gray-600)}.option-btn.selected .option-letter{background:var(--primary);color:#fff}.result-box{padding:1.5rem;border-radius:var(--radius-sm);margin-top:1.5rem}.result-box.correct{background:#22c55e1a;border:1px solid var(--success)}.result-box.wrong{background:#ef44441a;border:1px solid var(--danger)}.result-title{font-weight:600;font-size:1.1rem;margin-bottom:.5rem}.result-box.correct .result-title{color:var(--success)}.result-box.wrong .result-title{color:var(--danger)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}}.stat-card{background:#fff;padding:1.25rem;border-radius:var(--radius-sm);text-align:center;box-shadow:var(--shadow)}.stat-value{font-size:2rem;font-weight:700;color:var(--primary)}.stat-label{font-size:.875rem;color:var(--gray-500);margin-top:.25rem}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%)}.auth-card{background:#fff;padding:2.5rem;border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:420px}.auth-title{font-size:1.75rem;font-weight:700;text-align:center;margin-bottom:.5rem;color:var(--gray-800)}.auth-subtitle{text-align:center;color:var(--gray-500);margin-bottom:2rem}.auth-footer{text-align:center;margin-top:1.5rem;color:var(--gray-500)}.auth-footer a{color:var(--primary);text-decoration:none;font-weight:500}.auth-footer a:hover{text-decoration:underline}.alert{padding:1rem;border-radius:var(--radius-sm);margin-bottom:1rem}.alert-error{background:#ef44441a;color:var(--danger);border:1px solid var(--danger)}.alert-success{background:#22c55e1a;color:var(--success);border:1px solid var(--success)}.alert-info{background:#6366f11a;color:var(--primary);border:1px solid var(--primary)}.loading{display:flex;align-items:center;justify-content:center;padding:3rem}.spinner{width:40px;height:40px;border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:3rem;color:var(--gray-500)}.empty-state-icon{font-size:4rem;margin-bottom:1rem}.phase-indicator{display:flex;gap:.5rem;margin-bottom:1.5rem}.phase-step{flex:1;padding:.75rem;text-align:center;background:var(--gray-100);border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;color:var(--gray-500)}.phase-step.active{background:var(--primary);color:#fff}.phase-step.completed{background:var(--success);color:#fff}.prereq-banner{background:linear-gradient(135deg,#fef3c7,#fde68a);padding:1rem 1.5rem;border-radius:var(--radius-sm);margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem}.prereq-banner-icon{font-size:1.5rem}.prereq-banner-text{font-weight:500;color:var(--gray-700)}.text-center{text-align:center}.text-right{text-align:right}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-1{gap:.5rem}.gap-2{gap:1rem}