@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap";:root{--bg-primary: #0f1115;--bg-secondary: #1a1d24;--bg-tertiary: #252a34;--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-glow: rgba(99, 102, 241, .4);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--success: #10b981;--success-bg: rgba(16, 185, 129, .1);--error: #ef4444;--error-bg: rgba(239, 68, 68, .1);--warning: #f59e0b;--border-color: rgba(255, 255, 255, .08);--border-light: rgba(255, 255, 255, .15);--shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, .3);--shadow-md: 0 10px 15px -3px rgba(0, 0, 0, .4);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .5);--font-heading: "Outfit", sans-serif;--font-body: "Plus Jakarta Sans", sans-serif;--transition-fast: .15s ease;--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 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.5rem}.user-name{display:none}}.upload-container{width:100%;max-width:800px;margin:0 auto;padding:1rem}.upload-container.disabled{opacity:.5;pointer-events:none}.upload-zone{position:relative;min-height:350px;display:flex;align-items:center;justify-content:center;border:2px dashed var(--border-light);border-radius:24px;transition:all var(--transition-normal);overflow:hidden}.upload-zone:hover:not(.has-file){border-color:var(--accent-secondary);background:#8b5cf60d;transform:translateY(-2px);box-shadow:0 10px 30px #0003,inset 0 0 20px #8b5cf60d}.upload-zone.dragging{border-color:var(--accent-primary);background:#6366f11a;transform:scale(1.02)}.file-input{position:absolute;width:0;height:0;opacity:0}.upload-label{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;padding:3rem 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var(--border-color);border-radius:16px;padding:1.5rem;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:var(--shadow-sm)}.error-stat{border-bottom:4px solid var(--error)}.practice-stat{border-bottom:4px solid var(--accent-primary)}.stat-value{font-size:2.5rem;font-weight:700;font-family:var(--font-heading);line-height:1;margin-bottom:.5rem}.error-stat .stat-value{color:var(--error)}.practice-stat .stat-value{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.stat-label{color:var(--text-secondary);font-weight:500;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.tabs{display:flex;background:var(--bg-secondary);padding:.5rem;border-radius:12px;border:1px solid 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0}.box-content{font-size:1rem}}.login-container{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 120px);padding:2rem;animation:fadeIn .4s ease-out}.login-card{width:100%;max-width:480px;padding:3rem 2.5rem}.login-hero{text-align:center;margin-bottom:2rem}.login-hero h2{font-size:2.25rem;margin-bottom:.75rem;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.login-hero p{color:var(--text-secondary);font-size:1.05rem}.auth-form{display:flex;flex-direction:column;gap:1.25rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-size:.9rem;font-weight:600;color:var(--text-primary);margin-left:.25rem}.form-group input{padding:.875rem 1rem;border-radius:12px;border:1px solid var(--border-color);background:var(--bg-primary);color:var(--text-primary);font-size:1rem;transition:all 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var(--border-light)}.practice-count{font-size:.85rem;color:var(--accent-secondary);font-weight:600}.arrow-icon{color:var(--text-muted);transition:transform var(--transition-fast)}.history-card:hover .arrow-icon{color:var(--accent-primary);transform:translate(4px)}@media(max-width:768px){.dashboard-header{flex-direction:column;align-items:stretch;gap:1.5rem;margin-bottom:2rem}.dashboard-header h2{font-size:1.5rem}.history-grid{grid-template-columns:1fr}.history-card{padding:1.25rem}}.code-display{background:var(--bg-primary);border:1px solid var(--border-color);padding:.75rem 1.25rem;border-radius:12px;display:flex;align-items:center;transition:all var(--transition-fast)}.code-display:hover{border-color:var(--accent-primary);background:#6366f10d;transform:translateY(-2px)}.app-layout{max-width:1200px;margin:0 auto}.main-content{padding:0 2rem 4rem;display:flex;flex-direction:column;align-items:center;width:100%}.landing-section{width:100%;display:flex;flex-direction:column;align-items:center;animation:fadeIn .5s ease-out}.hero-text{text-align:center;max-width:600px;margin-bottom:3rem}.hero-text h2{font-size:3rem;margin-bottom:1rem;background:linear-gradient(135deg,#fff,#a5b4fc);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-text p{font-size:1.15rem;color:var(--text-secondary)}.api-warning{margin-top:1.5rem;color:var(--error);font-weight:500;display:flex;align-items:center;gap:.5rem}.analyzing-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;text-align:center;width:100%;max-width:600px;animation:fadeIn .3s ease-out}.loading-spinner{color:var(--accent-primary);margin-bottom:2rem;filter:drop-shadow(0 0 20px var(--accent-glow))}.spin-animation{animation:spin 2s linear infinite}.analyzing-state h3{font-size:1.75rem;margin-bottom:.5rem}.analyzing-state p{color:var(--text-secondary);margin-bottom:2.5rem}.progress-bar{width:100%;height:6px;background:var(--bg-tertiary);border-radius:10px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));width:50%;border-radius:10px;animation:progressPulse 2s ease-in-out infinite alternate}.error-state{padding:3rem;text-align:center;border-left:4px solid var(--error);max-width:600px;width:100%}.error-state h3{color:var(--error);margin-bottom:1rem}.error-state p{color:var(--text-secondary);margin-bottom:2rem}.btn-retry{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color);padding:.75rem 2rem;border-radius:12px;font-weight:600;transition:all var(--transition-fast)}.btn-retry:hover{background:var(--bg-secondary);border-color:var(--border-light)}.results-section{width:100%;display:flex;flex-direction:column;align-items:center}.btn-back{align-self:flex-start;margin-bottom:2rem;color:var(--text-secondary);font-weight:600;display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:8px;transition:all var(--transition-fast)}.btn-back:hover{color:var(--text-primary);background:#ffffff0d}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes progressPulse{0%{width:10%}to{width:90%}}@media(max-width:768px){.main-content{padding:0 1rem 2rem}.hero-text h2{font-size:2.25rem}.hero-text{margin-bottom:2rem}.exam-metadata-input{flex-direction:column;align-items:stretch;gap:.5rem}.analyzing-state h3{font-size:1.5rem}.error-state{padding:2rem 1.5rem}}