:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#dbeafe;--success:#10b981;--success-bg:#ecfdf5;--warning:#f59e0b;--warning-bg:#fffbeb;--danger:#ef4444;--danger-bg:#fef2f2;--info:#6366f1;--bg:#f5f6fa;--card-bg:#fff;--text:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--border:#e2e8f0;--radius:12px;--shadow:0 1px 3px rgba(0,0,0,.08);--shadow-lg:0 10px 30px rgba(0,0,0,.12)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button{cursor:pointer;border:none}button,input,select,textarea{font-family:inherit;outline:none}a{text-decoration:none;color:inherit}.btn-primary{width:100%;padding:14px 20px;border-radius:10px;font-size:15px;font-weight:600;color:#fff;background:var(--primary);transition:opacity .15s}.btn-primary:hover{opacity:.9}.btn-primary:active{transform:scale(.98)}.btn-secondary{width:100%;padding:14px 20px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text);background:#f1f5f9;transition:opacity .15s}.btn-secondary:hover{opacity:.9}.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-header h3{font-size:16px;font-weight:700}.card-body{padding:20px}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:20px;font-size:11px;font-weight:600}.toast{position:fixed;bottom:80px;left:50%;transform:translate(-50%);background:#000000d9;color:#fff;padding:10px 24px;border-radius:24px;font-size:13px;z-index:9999;animation:toastIn .3s ease}@keyframes toastIn{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%)}}.modal-overlay{position:fixed;inset:0;background:#00000080;z-index:9998;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease}.modal-content{background:#fff;border-radius:16px;width:90%;max-width:500px;max-height:85vh;overflow-y:auto;animation:slideUp .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff;transition:border-color .15s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary)}.form-textarea{resize:vertical;min-height:80px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}::-webkit-scrollbar-track{background:transparent}