*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #6366f1;--primary-dark: #4f46e5;--secondary: #f59e0b;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--background: #f8fafc;--surface: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--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);--radius:12px;--transition: all .2s ease-in-out}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh;color:var(----text-primary);line-height:1.6}#root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:2rem;border:1px solid var(--border);transition:var(--transition)}.card:hover{transform:translateY(-2px);box-shadow:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a}.btn{background:var(--primary);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:var(--radius);font-weight:600;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:.5rem}.btn:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn-secondary{background:var(--text-secondary)}.btn-secondary:hover{background:#475569}.textarea{width:100%;min-height:120px;padding:1rem;border:2px solid var(--border);border-radius:var(--radius);font-size:1rem;font-family:inherit;resize:vertical;transition:var(--transition)}.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.score-display{font-size:3rem;font-weight:700;text-align:center;margin:1rem 0;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.score-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:50px;font-weight:600;font-size:.875rem}.score-excellent{background:#dcfce7;color:#166534}.score-good{background:#dbeafe;color:#1e40af}.score-average{background:#fef3c7;color:#92400e}.score-poor{background:#fee2e2;color:#991b1b}.grid{display:grid;gap:2rem}.grid-2{grid-template-columns:1fr 1fr}@media (max-width:768px){.grid-2{grid-template-columns:1fr}.container{padding:1rem}.card{padding:1.5rem}}.fade-in{animation:fadeIn .5s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.progress-bar{width:100%;height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin:1rem 0}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--secondary));transition:width .3s ease}.history-item{padding:1rem;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:1rem;transition:var(--transition);cursor:pointer}.history-item:hover{border-color:var(--primary);background:#f8fafc}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin:2rem 0}.stat-card{background:var(--surface);padding:1.5rem;border-radius:var(--radius);text-align:center;box-shadow:var(--shadow)}.stat-value{font-size:2rem;font-weight:700;color:var(--primary);margin-bottom:.5rem}.stat-label{color:var(--text-secondary);font-size:.875rem;font-weight:500}