:root{--primary:#1a73e8;--primary-light:#e8f0fe;--danger:#ea4335;--warning:#f9ab00;--success:#34a853;--info:#4285f4;--bg:#f5f7fa;--bg-card:#fff;--text:#202124;--text-secondary:#5f6368;--border:#dadce0;--shadow:0 1px 3px #00000014;--radius:8px;--sidebar-width:220px;--header-height:56px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px}a{color:var(--primary);text-decoration:none}button{cursor:pointer;border:none;outline:none}input,select,textarea{border:1px solid var(--border);border-radius:4px;outline:none;padding:6px 10px;font-size:14px}input:focus,select:focus,textarea:focus{border-color:var(--primary)}.flex{display:flex}.flex-col{flex-direction:column}.flex-1{flex:1}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-4{gap:16px}.p-4{padding:16px}.text-sm{font-size:12px}.text-xs{font-size:11px}.font-bold{font-weight:600}.text-secondary{color:var(--text-secondary)}.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.badge{border-radius:12px;padding:2px 8px;font-size:12px;font-weight:500;display:inline-block}.badge-danger{color:var(--danger);background:#fce8e6}.badge-warning{color:#e37400;background:#fef7e0}.badge-success{color:var(--success);background:#e6f4ea}.badge-info{color:var(--primary);background:#e8f0fe}.btn{border-radius:4px;padding:6px 16px;font-size:14px;font-weight:500;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{opacity:.9}.btn-danger{background:var(--danger);color:#fff}.btn-outline{border:1px solid var(--border);color:var(--text);background:#fff}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);padding:10px 12px}th{background:#f8f9fa;font-size:13px;font-weight:600}tr:hover td{background:#f8f9fa}