.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:var(--radius);cursor:pointer;font-weight:500;font-size:14px;transition:var(--transition);line-height:1.4}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#15803d}.btn-warning{background:var(--warning);color:#fff}.btn-warning:hover{background:#c2410c}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#b91c1c}.btn-outline{background:var(--surface);border:1px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:20px}.table-wrap{width:100%;overflow-x:auto}.table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.table th{background:#f1f5f9;text-align:left;padding:12px 16px;font-weight:600;font-size:13px;color:var(--text-secondary);white-space:nowrap}.table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:14px}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:#f8fafc}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state .icon{font-size:40px;margin-bottom:12px}.empty-state h3{font-size:18px;font-weight:600;margin-bottom:8px}.empty-state p{font-size:14px;margin-bottom:16px}.loading{text-align:center;padding:40px;color:var(--text-secondary)}.btn-light{background:#ffffff26;color:#fff;border:1px solid rgba(255,255,255,.3)}.btn-light:hover{background:#ffffff40}:root{--admin-bg: #F5F7FA;--admin-card: #FFFFFF;--admin-card-hover: #F8FAFC;--admin-border: #E2E8F0;--admin-border-light: #CBD5E1;--admin-text: #1A202C;--admin-text-secondary: #4A5568;--admin-text-muted: #718096;--admin-accent: #2563EB;--admin-accent-hover: #1D4ED8;--admin-success: #16A34A;--admin-warning: #D97706;--admin-danger: #DC2626;--admin-info: #6366F1;--admin-radius: 8px;--admin-shadow: 0 1px 3px rgba(0,0,0,.08)}.admin-dark{background:var(--admin-bg);color:var(--admin-text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.admin-dark .admin-sidebar{background:#1e293b;border-right:1px solid var(--admin-border)}.admin-dark .admin-sidebar .nav-item{color:var(--admin-text-secondary);cursor:pointer;border-radius:6px;font-size:14px}.admin-dark .admin-sidebar .nav-item:hover{background:#2563eb0f;color:var(--admin-text)}.admin-dark .admin-sidebar .nav-item.active{background:#2563eb1a;color:var(--admin-accent);font-weight:600;border-left:3px solid var(--admin-accent)}.admin-dark .admin-card{background:var(--admin-card);border:1px solid var(--admin-border);border-radius:var(--admin-radius);box-shadow:var(--admin-shadow)}.admin-dark .admin-card:hover{border-color:var(--admin-border-light)}.admin-dark .admin-input{background:#fff;border:1px solid var(--admin-border);color:var(--admin-text);border-radius:6px;padding:8px 12px;font-size:14px;outline:none;transition:border-color .15s}.admin-dark .admin-input:focus{border-color:var(--admin-accent);box-shadow:0 0 0 2px #2563eb26}.admin-dark .admin-input::placeholder{color:#a0aec0}.admin-dark .admin-select{background:#fff;border:1px solid var(--admin-border);color:var(--admin-text);border-radius:6px;padding:8px 12px;font-size:14px;outline:none;cursor:pointer}.admin-dark .admin-select:focus{border-color:var(--admin-accent)}.admin-dark .admin-btn{padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;border:none;transition:all .15s;display:inline-flex;align-items:center;gap:6px}.admin-dark .admin-btn-primary{background:var(--admin-accent);color:#fff}.admin-dark .admin-btn-primary:hover{background:var(--admin-accent-hover)}.admin-dark .admin-btn-outline{background:transparent;border:1px solid var(--admin-border);color:var(--admin-text-secondary)}.admin-dark .admin-btn-outline:hover{border-color:var(--admin-accent);color:var(--admin-accent)}.admin-dark .admin-btn-danger{background:#dc262614;border:1px solid rgba(220,38,38,.25);color:var(--admin-danger)}.admin-dark .admin-btn-danger:hover{background:#dc262626}.admin-dark .admin-btn-success{background:#16a34a14;border:1px solid rgba(22,163,74,.25);color:var(--admin-success)}.admin-dark .admin-btn-success:hover{background:#16a34a26}.admin-dark .admin-stat-card{background:var(--admin-card);border:1px solid var(--admin-border);border-radius:var(--admin-radius);padding:20px;transition:all .2s}.admin-dark .admin-stat-card:hover{border-color:var(--admin-accent);transform:translateY(-2px);box-shadow:0 4px 12px #2563eb1a}.admin-dark .admin-table{width:100%;border-collapse:collapse;font-size:14px}.admin-dark .admin-table th{text-align:left;padding:12px 14px;color:var(--admin-text);font-weight:600;font-size:13px;border-bottom:2px solid var(--admin-border);white-space:nowrap;background:#f8fafc}.admin-dark .admin-table td{padding:11px 14px;border-bottom:1px solid var(--admin-border);color:var(--admin-text);font-size:14px}.admin-dark .admin-table tr:hover td{background:#2563eb08}.admin-dark .admin-table tr:last-child td{border-bottom:none}.admin-dark .admin-badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:600}.admin-dark .admin-badge-success{background:#16a34a1f;color:#15803d}.admin-dark .admin-badge-warning{background:#d977061f;color:#b45309}.admin-dark .admin-badge-danger{background:#dc26261f;color:#b91c1c}.admin-dark .admin-badge-info{background:#2563eb1a;color:#2563eb}.admin-dark .admin-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.admin-dark .admin-modal{background:var(--admin-card);border:1px solid var(--admin-border);border-radius:12px;padding:28px;min-width:520px;max-width:640px;max-height:85vh;overflow-y:auto;box-shadow:0 8px 32px #0000001f}.admin-dark .progress-bar{height:6px;background:#e2e8f0;border-radius:3px;overflow:hidden}.admin-dark .progress-bar-fill{height:100%;border-radius:3px;transition:width .3s ease}.admin-dark ::-webkit-scrollbar{width:6px;height:6px}.admin-dark ::-webkit-scrollbar-track{background:var(--admin-bg)}.admin-dark ::-webkit-scrollbar-thumb{background:var(--admin-border);border-radius:3px}.admin-dark ::-webkit-scrollbar-thumb:hover{background:var(--admin-border-light)}.admin-dark .admin-tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:4px;font-size:11px;background:#2563eb14;color:var(--admin-accent);border:1px solid rgba(37,99,235,.15)}:root{--primary: #2563eb;--primary-hover: #1d4ed8;--success: #16a34a;--warning: #ea580c;--danger: #dc2626;--bg: #f8fafc;--surface: #ffffff;--text: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08);--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}input,select,textarea{font-family:inherit;font-size:inherit}h1,h2,h3,h4{line-height:1.3}:root{--primary: #1890ff;--primary-dark: #1677cc;--bg: #f0f2f5;--surface: #ffffff;--text: #333;--text-secondary: #888;--border: #e8e8e8;--shadow: 0 2px 8px rgba(0,0,0,.08);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}#root{min-height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.card{background:var(--surface);border-radius:8px;box-shadow:var(--shadow);padding:24px;margin-bottom:20px}table{width:100%;border-collapse:collapse;background:var(--surface)}th{background:#fafafa;color:var(--text);font-weight:600;padding:12px;text-align:left;border-bottom:1px solid var(--border)}td{padding:12px;border-bottom:1px solid var(--border);color:var(--text)}.btn-primary{background:var(--primary);color:#fff;border:none;padding:8px 20px;border-radius:6px;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:6px}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#fff;border:1px solid var(--border);padding:8px 20px;border-radius:6px;cursor:pointer;transition:all .2s}.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}input,select,textarea{padding:8px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;transition:border-color .2s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px #1890ff33}