:root{color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6}*{box-sizing:border-box}body{margin:0;background:#f5f6f8;color:#1f2329}.app-shell{display:flex;flex-direction:column;min-height:100vh}.app-header{display:flex;align-items:center;gap:12px;padding:14px 24px;background:#1f2b3a;color:#fff}.app-title{font-size:18px;font-weight:600}.app-badge{font-size:12px;padding:2px 10px;border-radius:999px;background:#ffffff26}.app-body{display:flex;flex:1}.app-nav{width:180px;padding:16px 8px;background:#fff;border-right:1px solid #e5e7eb;display:flex;flex-direction:column;gap:4px}.nav-link{display:block;padding:8px 14px;border-radius:8px;color:#374151;text-decoration:none}.nav-link:hover{background:#f3f4f6}.nav-link.active{background:#e8f0fe;color:#1a56db;font-weight:600}.app-main{flex:1;padding:24px 32px}h1{font-size:20px;margin:0 0 12px}.muted,.placeholder-note{color:#6b7280}.placeholder-note{border:1px dashed #d1d5db;border-radius:8px;padding:14px 16px;background:#fff}.status-card{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:16px 0}.status-card>div{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:12px 14px}.status-card dt{font-size:12px;color:#6b7280}.status-card dd{margin:4px 0 0;font-weight:600}.error-text{color:#b91c1c}.header-user{margin-left:auto;font-size:13px;display:flex;align-items:center;gap:8px}.logout-button{background:#ffffff1f;color:#fff;border:none;border-radius:6px;padding:4px 10px;cursor:pointer}.logout-button:hover{background:#ffffff40}.login-page{max-width:420px;margin:40px auto;background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:24px 28px}.login-tabs{display:flex;gap:8px;margin:16px 0}.tab{flex:1;padding:8px;border:1px solid #e5e7eb;background:#f9fafb;border-radius:8px;cursor:pointer}.tab.active{background:#e8f0fe;border-color:#1a56db;color:#1a56db;font-weight:600}.login-form{display:flex;flex-direction:column;gap:12px}.login-form label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:#374151}.login-form input,.inline-form input,.inline-form select{padding:8px 10px;border:1px solid #d1d5db;border-radius:6px;font-size:14px}.login-form button,.inline-form button{padding:8px 14px;border:none;border-radius:6px;background:#1a56db;color:#fff;cursor:pointer}.inline-form button{background:#374151}.login-form button:disabled{opacity:.6;cursor:default}.workspace-list{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}.workspace-item{border:1px solid #e5e7eb;background:#fff;border-radius:8px;padding:6px 12px;cursor:pointer}.workspace-item.active{border-color:#1a56db;color:#1a56db;font-weight:600}.inline-form{display:flex;align-items:center;gap:8px;margin:12px 0;flex-wrap:wrap}.invitation-result{background:#fefce8;border:1px solid #fde047;border-radius:8px;padding:10px 14px;margin:12px 0;word-break:break-all}.member-table{border-collapse:collapse;background:#fff;min-width:480px}.member-table th,.member-table td{border:1px solid #e5e7eb;padding:8px 12px;text-align:left;font-size:14px}.member-table button{margin-left:8px;padding:4px 10px;border:1px solid #d1d5db;background:#fff;border-radius:6px;cursor:pointer}.import-panel,.edit-panel{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:16px 20px;margin:16px 0}.import-message{background:#f0fdf4;border:1px solid #86efac;border-radius:8px;padding:8px 12px}.preview-list{max-height:240px;overflow-y:auto;font-size:13px}.raw-data{background:#f8f9fa;border:1px solid #e5e7eb;border-radius:8px;padding:12px;font-size:12px;overflow-x:auto;white-space:pre-wrap}textarea{font-family:inherit;padding:8px 10px;border:1px solid #d1d5db;border-radius:6px}