:root{--color-primary: #2563EB;--color-secondary: #1E40AF;--color-accent: #DBEAFE;--color-bg: #F8FAFC;--color-surface: #FFFFFF;--color-border: #E2E8F0;--color-text: #1E293B;--color-muted: #64748B;--color-danger: #EF4444;--color-success: #22C55E;--color-warning: #F59E0B;--radius: 8px;--radius-lg: 12px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);--transition: .15s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.5;font-size:14px}a{color:inherit;text-decoration:none}button{cursor:pointer;font:inherit}input,textarea,select{font:inherit}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);border:none;font-weight:500;transition:var(--transition);font-size:14px}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-secondary)}.btn-ghost{background:transparent;color:var(--color-primary);border:1px solid var(--color-primary)}.btn-ghost:hover{background:var(--color-accent)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover{opacity:.85}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:5px 10px;font-size:12px}.card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:24px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-blue{background:var(--color-accent);color:var(--color-secondary)}.badge-green{background:#dcfce7;color:#166534}.badge-red{background:#fee2e2;color:#991b1b}.badge-yellow{background:#fef9c3;color:#854d0e}.form-group{display:flex;flex-direction:column;gap:4px}.form-group label{font-weight:500;color:var(--color-muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}.input{padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text);transition:var(--transition);width:100%}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb26}.alert{padding:10px 14px;border-radius:var(--radius);font-size:13px;border-left:3px solid}.alert-error{background:#fee2e2;border-color:var(--color-danger);color:#7f1d1d}.alert-success{background:#dcfce7;border-color:var(--color-success);color:#14532d}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--color-border)}th{font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--color-muted);background:var(--color-bg)}tr:hover td{background:var(--color-accent)}.spinner{width:20px;height:20px;border:2px solid var(--color-accent);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.modal{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;max-width:480px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px 0}.modal-header h3{font-size:16px;font-weight:600}.modal-close{background:none;border:none;font-size:20px;color:var(--color-muted);line-height:1}.modal-close:hover{color:var(--color-text)}.modal-body{padding:20px 24px 24px;display:flex;flex-direction:column;gap:14px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}