:root{--primary-color:#6366f1;--primary-hover:#4f46e5;--bg-color:#f8fafc;--card-bg:#fff;--text-main:#0f172a;--text-muted:#64748b;--border-color:#e2e8f0;--danger:#ef4444;--success:#10b981;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--radius:8px}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);line-height:1.5}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:2rem;padding:2rem}.auth-container{background:linear-gradient(135deg,#e0e7ff 0%,#f8fafc 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.auth-card{background:var(--card-bg);box-shadow:var(--shadow-lg);border-radius:12px;width:100%;max-width:450px;padding:3rem}.auth-card h2{text-align:center;color:var(--text-main);margin-bottom:2rem;font-size:1.75rem}.form-group{margin-bottom:1.5rem}.form-group label{color:var(--text-main);margin-bottom:.5rem;font-weight:500;display:block}.form-control{border:1px solid var(--border-color);border-radius:var(--radius);width:100%;padding:.75rem 1rem;font-size:1rem;transition:border-color .2s,box-shadow .2s}.form-control:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #6366f133}.btn{text-align:center;border-radius:var(--radius);cursor:pointer;border:none;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;transition:all .2s;display:inline-block}.btn-primary{background-color:var(--primary-color);color:#fff;width:100%}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.error-text{color:var(--danger);margin-top:.5rem;font-size:.875rem}.navbar{background:var(--card-bg);box-shadow:var(--shadow);justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex}.navbar-brand{color:var(--primary-color);font-size:1.25rem;font-weight:700;text-decoration:none}.navbar-nav{align-items:center;gap:1.5rem;display:flex}.nav-link{color:var(--text-muted);cursor:pointer;font-weight:500;text-decoration:none}.nav-link:hover{color:var(--primary-color)}.table-container{overflow-x:auto}.data-table{border-collapse:collapse;width:100%;margin-top:1rem}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--border-color);padding:1rem}.data-table th{color:var(--text-muted);cursor:pointer;background-color:#f1f5f9;font-weight:600}.data-table th:hover{background-color:#e2e8f0}.data-table tr:hover{background-color:#f8fafc}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem;display:grid}.stat-card{background:var(--primary-color);color:#fff;border-radius:var(--radius);text-align:center;padding:1.5rem}.stat-card h3{opacity:.9;margin-bottom:.5rem;font-size:1.125rem}.stat-card p{font-size:2.5rem;font-weight:700}.star-rating{color:#fbbf24;cursor:pointer;font-size:1.5rem}.star-rating.disabled{cursor:default}