:root{--primary-color: #2563eb;--primary-dark: #1d4ed8;--secondary-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--info-color: #3b82f6;--success-color: #10b981;--text-primary: #1f2937;--text-secondary: #6b7280;--bg-primary: #ffffff;--bg-secondary: #f3f4f6;--bg-tertiary: #e5e7eb;--border-color: #d1d5db;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .15)}*{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;color:var(--text-primary);background-color:var(--bg-secondary)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.card{background:var(--bg-primary);border-radius:8px;box-shadow:var(--shadow);padding:24px;margin-bottom:20px}.card-header{font-size:1.25rem;font-weight:600;margin-bottom:16px;color:var(--text-primary)}.btn{padding:10px 20px;border:none;border-radius:6px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:8px}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-dark)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background-color:var(--border-color)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-success{background-color:var(--success-color);color:#fff}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:6px;font-weight:500;color:var(--text-primary);font-size:.875rem}.form-input,.form-select,.form-textarea{width:100%;padding:10px 12px;border:1px solid var(--border-color);border-radius:6px;font-size:.875rem;transition:border-color .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary-color)}.form-textarea{resize:vertical;min-height:80px}.form-error{color:var(--danger-color);font-size:.75rem;margin-top:4px}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse;background:var(--bg-primary)}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--border-color);font-size:.875rem}th{background-color:var(--bg-secondary);font-weight:600;color:var(--text-primary)}tr:hover{background-color:var(--bg-secondary)}.badge{display:inline-block;padding:4px 10px;border-radius:12px;font-size:.75rem;font-weight:500}.badge-success{background-color:#d1fae5;color:#065f46}.badge-warning{background-color:#fef3c7;color:#92400e}.badge-danger{background-color:#fee2e2;color:#991b1b}.badge-info{background-color:#dbeafe;color:#1e40af}.alert{padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:.875rem}.alert-success{background-color:#d1fae5;color:#065f46;border-left:4px solid var(--success-color)}.alert-error{background-color:#fee2e2;color:#991b1b;border-left:4px solid var(--danger-color)}.alert-warning{background-color:#fef3c7;color:#92400e;border-left:4px solid var(--warning-color)}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.stats-card{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);color:#fff;padding:24px;border-radius:8px;box-shadow:var(--shadow-lg)}.stats-card h3{font-size:.875rem;font-weight:500;opacity:.9;margin-bottom:8px}.stats-card .value{font-size:2rem;font-weight:700;margin-bottom:4px}.stats-card .label{font-size:.75rem;opacity:.8}.loading{display:flex;justify-content:center;align-items:center;padding:40px}.spinner{border:3px solid var(--bg-tertiary);border-top:3px solid var(--primary-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.navbar{background:var(--bg-primary);box-shadow:var(--shadow);padding:16px 0;margin-bottom:24px}.navbar-content{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 20px}.navbar-brand{font-size:1.25rem;font-weight:700;color:var(--primary-color)}.navbar-menu{display:flex;gap:24px;align-items:center}.navbar-link{color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:.875rem;transition:color .2s}.navbar-link:hover{color:var(--primary-color)}.progress-bar{width:100%;height:8px;background-color:var(--bg-tertiary);border-radius:4px;overflow:hidden}.progress-bar-fill{height:100%;background-color:var(--success-color);transition:width .3s ease}