:root{--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--bg-card: #ffffff;--bg-header: #1e293b;--bg-table-header: #1e293b;--bg-hover: #f8fafc;--bg-input: #ffffff;--text-primary: #0f172a;--text-secondary: #334155;--text-tertiary: #64748b;--text-inverse: #ffffff;--border-color: #e2e8f0;--border-color-strong: #cbd5e1;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}.dark-mode{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-card: #1e293b;--bg-header: #0f172a;--bg-table-header: #334155;--bg-hover: #334155;--bg-input: #334155;--text-primary: #ffffff;--text-secondary: #e2e8f0;--text-tertiary: #cbd5e1;--text-inverse: #0f172a;--border-color: #334155;--border-color-strong: #475569;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5), 0 4px 6px -2px rgba(0, 0, 0, .4)}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;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:var(--bg-secondary);color:var(--text-primary);min-height:100vh;transition:background-color .3s ease,color .3s ease}.card{background:var(--bg-card);border-radius:1rem;box-shadow:var(--shadow-md);padding:2rem;margin-bottom:2rem;transition:all .3s ease;color:var(--text-primary)}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.card h2,.card h3{margin-top:0;color:var(--text-primary);font-weight:700;border-bottom:2px solid var(--border-color);padding-bottom:1rem;margin-bottom:1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .3s ease;text-decoration:none;box-shadow:0 2px 4px #0000001a}.btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 8px #00000026}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn.btn-primary{background:linear-gradient(135deg,#90d5ff,#6bb5e8);color:#fff}.btn.btn-primary:hover:not(:disabled){box-shadow:0 4px 12px #90d5ff66}.btn.btn-secondary{background:var(--bg-tertiary);color:var(--text-inverse)}.btn.btn-secondary:hover:not(:disabled){background:var(--bg-hover);filter:brightness(1.1)}.btn.btn-danger{background:linear-gradient(135deg,#ef4444,#eb1515);color:#fff}.btn.btn-danger:hover:not(:disabled){box-shadow:0 4px 12px #ef444466}.btn.btn-success{background:linear-gradient(135deg,#10b981,#0c8a60);color:#fff}.btn.btn-sm{padding:.5rem 1rem;font-size:.875rem}.form-control{width:100%;padding:.75rem;border:2px solid var(--border-color-strong);border-radius:.5rem;font-size:1rem;transition:all .3s ease;background:var(--bg-input);color:var(--text-primary)}.form-control:focus{outline:none;border-color:#90d5ff;box-shadow:0 0 0 3px #90d5ff1a}.form-control:invalid{border-color:#ef4444}.form-control::placeholder{color:var(--text-tertiary)}.table{width:100%;border-collapse:separate;border-spacing:0;background:var(--bg-card);border-radius:.75rem;overflow:hidden;box-shadow:var(--shadow-sm)}.table thead{background:var(--bg-table-header)}.table thead th{padding:1rem 1.25rem;text-align:left;font-weight:700;color:var(--text-inverse);text-transform:uppercase;font-size:.75rem;letter-spacing:.05em}.table tbody tr{transition:background-color .2s ease}.table tbody tr:hover{background:var(--bg-hover)}.table tbody tr:not(:last-child){border-bottom:1px solid var(--border-color)}.table tbody td{padding:1rem 1.25rem;color:var(--text-secondary)}.badge{display:inline-block;padding:.35rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.badge.badge-success{background:#10b9811a;color:#10b981}.badge.badge-danger{background:#ef44441a;color:#ef4444}.badge.badge-warning{background:#f59e0b1a;color:orange}