:root{--bg-primary: #f0f2f5;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-card-hover: #fafafa;--bg-input: #ffffff;--bg-sidebar: #ffffff;--text-primary: #303133;--text-secondary: #606266;--text-muted: #909399;--accent-primary: #409eff;--accent-secondary: #337ecc;--accent-gradient: #409eff;--success: #67c23a;--warning: #e6a23c;--danger: #f56c6c;--info: #909399;--border: #dcdfe6;--border-hover: #c0c4cc;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .1);--shadow-glow: 0 2px 12px 0 rgba(0, 0, 0, .1);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--sidebar-width: 260px;--transition: all .25s cubic-bezier(.4, 0, .2, 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#00000014;transform:translateY(-1px)}.diag-mod-card.selected{border-color:var(--success);background:#f0fdf4;box-shadow:0 0 0 3px #22c55e26}.diag-mod-card.selected .diag-mod-select-hint{color:var(--success);font-weight:600}.diag-mod-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.diag-mod-code{font-size:16px;font-weight:700;color:var(--primary)}.diag-mod-addr{font-size:11px;color:var(--text-secondary);background:var(--bg-secondary);padding:2px 8px;border-radius:4px}.diag-mod-sn{font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:4px;font-family:Courier New,monospace}.diag-mod-details{font-size:11px;color:var(--text-secondary);display:flex;gap:12px;margin-bottom:8px}.diag-mod-devices{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:6px}.diag-mod-tag{font-size:10px;padding:2px 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10px!important;font-size:12px!important}.login-overlay{position:fixed;top:0;left:0;right:0;bottom:0;z-index:9999;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#0a1628,#1a2332,#0d1820)}.login-box{width:440px;max-width:92vw;background:#141e32d9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(74,144,217,.15);border-radius:20px;padding:40px;box-shadow:0 25px 50px #00000080,0 0 40px #4a90d914;text-align:center}.login-logo-section{margin-bottom:28px}.login-logo{border-radius:12px;margin-bottom:12px;filter:drop-shadow(0 0 12px rgba(74,144,217,.4))}.login-title{font-size:1.4em;color:#fff;margin:8px 0 0;font-weight:600;letter-spacing:1px}.login-divider{width:60px;height:2px;background:linear-gradient(90deg,transparent,var(--primary),transparent);margin:16px auto}.login-form-section{display:flex;flex-direction:column;align-items:center}.login-welcome{font-size:1.6em;color:#fff;margin:0 0 6px;font-weight:500}.login-subtitle{color:#ffffff80;font-size:.85em;margin-bottom:24px;line-height:1.5}.login-btn-google{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;padding:14px 24px;background:linear-gradient(135deg,#4a90d933,#28508c4d);border:1px solid rgba(74,144,217,.25);border-radius:12px;color:#fffffff2;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .3s ease}.login-btn-google:hover:not(:disabled){background:linear-gradient(135deg,#4a90d959,#28508c73);border-color:#4a90d966;box-shadow:0 0 20px #4a90d926;transform:translateY(-2px)}.login-btn-google:disabled{opacity:.5;cursor:not-allowed}.login-google-icon{width:20px;height:20px}.login-fallback-hidden{display:none;margin-top:12px}.login-error{color:#ff6b6b;font-size:.85em;margin-top:12px;padding:10px;background:#ff64641a;border:1px solid rgba(255,100,100,.2);border-radius:8px;white-space:pre-line;max-width:320px}.login-domain-info{margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);width:100%}.login-domain-info p{font-size:.73rem;color:#fff6;margin-bottom:10px}.login-domain-list{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.login-domain-badge{font-size:.7rem;padding:4px 10px;background:#4a90d91a;border:1px solid rgba(74,144,217,.2);border-radius:15px;color:#4a90d9b3}.user-info{display:flex;align-items:center;gap:8px;padding:8px 0;border-top:1px solid var(--border-light);margin-bottom:8px}.user-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover}.user-avatar-placeholder{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600}.user-name{flex:1;font-size:.75rem;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-logout{font-size:14px!important;padding:2px 6px!important;opacity:.6;transition:opacity .2s}.btn-logout:hover{opacity:1}.archive-file-list{max-height:600px;overflow-y:auto}.archive-table{width:100%;border-collapse:collapse}.archive-table th,.archive-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border-light)}.archive-table th{font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);font-weight:600;position:sticky;top:0;background:var(--bg-card);z-index:1}.archive-table tr:hover{background:var(--bg-hover)}.archive-file-name{font-weight:500;color:var(--primary)}.archive-file-time{color:var(--text-secondary);font-size:.85em}.loading-spinner{padding:40px;text-align:center;color:var(--text-muted)}