:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--background-color: #f8f9fa;--surface-color: #ffffff;--text-color: #212529;--text-muted: #6c757d;--border-color: #dee2e6;--hover-color: #f1f3f4;--error-color: #dc3545;--success-color: #28a745}[data-theme=dark]{--primary-color: #3b82f6;--primary-hover: #2563eb;--background-color: #121212;--surface-color: #1e1e1e;--text-color: #e4e4e7;--text-muted: #a1a1aa;--border-color: #3f3f46;--hover-color: #27272a;--error-color: #f87171;--success-color: #4ade80}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5;background:var(--background-color);color:var(--text-color)}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5rem;font-weight:600}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.5rem 1rem;font-size:.875rem;font-weight:500;border-radius:6px;cursor:pointer;transition:all .15s ease}.btn-primary{background:var(--primary-color);color:#fff;border:none}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--surface-color);color:var(--text-color);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--hover-color)}.btn-danger{background:var(--error-color);color:#fff;border:none}.btn-danger:hover{opacity:.9}.btn-sm{padding:.25rem .5rem;font-size:.75rem}input,select,textarea{padding:.5rem .75rem;font-size:.875rem;border:1px solid var(--border-color);border-radius:6px;background:var(--surface-color);color:var(--text-color);transition:border-color .15s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary-color)}label{display:block;margin-bottom:.25rem;font-weight:500;font-size:.875rem}.form-group{margin-bottom:1rem}.card{background:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;padding:1.5rem}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}table{width:100%;border-collapse:collapse}th,td{padding:.75rem;text-align:left;border-bottom:1px solid var(--border-color)}th{font-weight:600;color:var(--text-muted);font-size:.75rem;text-transform:uppercase}tr:hover{background:var(--hover-color)}.alert{padding:.75rem 1rem;border-radius:6px;margin-bottom:1rem}.alert-error{background:#dc35451a;color:var(--error-color);border:1px solid rgba(220,53,69,.2)}.alert-success{background:#28a7451a;color:var(--success-color);border:1px solid rgba(40,167,69,.2)}.badge{display:inline-block;padding:.125rem .5rem;font-size:.75rem;font-weight:500;border-radius:4px;background:var(--hover-color);color:var(--text-muted)}.badge-primary{background:var(--primary-color);color:#fff}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--surface-color);border-radius:12px;padding:1.5rem;width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.modal-header h2{margin:0}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-muted);padding:0;line-height:1}.modal-footer{display:flex;justify-content:flex-end;gap:.5rem;margin-top:1.5rem;padding-top:1rem;border-top:1px solid var(--border-color)}.text-muted{color:var(--text-muted)}.text-center{text-align:center}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:.5rem}.gap-2{gap:1rem}