:root{--primary-color: #3b82f6;--primary-dark: #2563eb;--danger-color: #ef4444;--success-color: #10b981;--warning-color: #f59e0b;--bg-color: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--border-color: #475569;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6}#root{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:20px}.header{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:1rem 0;margin-bottom:2rem}.header-content{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.header h1{font-size:1.5rem;color:var(--primary-color)}.header nav{display:flex;gap:1rem}.btn{padding:.5rem 1rem;border:none;border-radius:6px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-block}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover{opacity:.9}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover{background-color:var(--border-color)}.btn-sm{padding:.35rem .75rem;font-size:.85rem}.card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:var(--shadow)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.card-title{font-size:1.25rem;font-weight:600}.form-group{margin-bottom:1rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-secondary)}.form-input,.form-select{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:6px;background-color:var(--bg-tertiary);color:var(--text-primary);font-size:1rem}.form-input:focus,.form-select:focus{outline:none;border-color:var(--primary-color)}.table{width:100%;border-collapse:collapse;margin-top:1rem}.table th,.table td{padding:.75rem;text-align:left;border-bottom:1px solid var(--border-color)}.table th{background-color:var(--bg-tertiary);font-weight:600;color:var(--text-secondary)}.table tr:hover{background-color:var(--bg-tertiary)}.badge{display:inline-block;padding:.25rem .75rem;border-radius:12px;font-size:.85rem;font-weight:500}.badge-success{background-color:var(--success-color);color:#fff}.badge-danger{background-color:var(--danger-color);color:#fff}.badge-warning{background-color:var(--warning-color);color:#fff}.grid{display:grid;gap:1.5rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.stat-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:1.5rem;text-align:center}.stat-value{font-size:2rem;font-weight:700;color:var(--primary-color)}.stat-label{color:var(--text-secondary);font-size:.9rem;margin-top:.5rem}.alert{padding:1rem;border-radius:6px;margin-bottom:1rem}.alert-error{background-color:#ef44441a;border:1px solid var(--danger-color);color:#fca5a5}.alert-success{background-color:#10b9811a;border:1px solid var(--success-color);color:#6ee7b7}.loading{display:flex;justify-content:center;align-items:center;min-height:200px;color:var(--text-secondary)}@media (max-width: 768px){.header-content{flex-direction:column;gap:1rem}.grid-2,.grid-3{grid-template-columns:1fr}.table{font-size:.85rem}.card{padding:1rem}}