*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #F0F4F8;--surface: #FFFFFF;--border: #E2E8F0;--accent: #2563EB;--accent-light: #EFF6FF;--text: #1E293B;--text-muted: #64748B;--danger: #DC2626;--success: #16A34A;--warning: #D97706;--sidebar-w: 230px;--radius: 10px;--shadow: 0 1px 4px rgba(0,0,0,.08);--shadow-md: 0 4px 16px rgba(0,0,0,.12)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}button{cursor:pointer;font-family:inherit;font-size:14px}input,select,textarea{font-family:inherit;font-size:14px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;border:none;font-weight:500;transition:opacity .15s,background .15s}.btn:hover{opacity:.88}.btn-primary{background:var(--accent);color:#fff}.btn-secondary{background:var(--border);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}.btn-sm{padding:5px 12px;font-size:13px}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap;letter-spacing:.2px}.badge-blue{background:#dbeafe;color:#1d4ed8}.badge-amber{background:#fef3c7;color:#92400e}.badge-green{background:#dcfce7;color:#15803d}.badge-red{background:#fee2e2;color:#991b1b}.badge-purple{background:#ede9fe;color:#6d28d9}.badge-sky{background:#e0f2fe;color:#0369a1}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.form-group{display:flex;flex-direction:column;gap:5px}.form-group label{font-weight:500;color:var(--text-muted);font-size:13px}.form-control{border:1px solid var(--border);border-radius:8px;padding:9px 12px;width:100%;background:var(--surface);color:var(--text);transition:border-color .15s}.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1a}textarea.form-control{resize:vertical;min-height:90px}.page{padding:28px 32px}.page-title{font-size:20px;font-weight:700;color:var(--text);margin-bottom:24px}