*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased}*{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f0f2f5;--card-bg:#fff;--text:#1f2937;--text-secondary:#6b7280;--border:#e5e7eb;--primary:#6366f1;--primary-light:#e0e7ff;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--line-green:#06c755;--radius:12px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000f;--shadow-lg:0 4px 12px #0000001a}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang TC,Microsoft JhengHei,sans-serif;line-height:1.6}.login-page{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{text-align:center;background:#fff;border-radius:16px;width:380px;padding:48px 40px;box-shadow:0 20px 60px #00000026}.login-logo{color:var(--primary);margin-bottom:8px;font-size:28px;font-weight:800}.login-card h1{margin-bottom:4px;font-size:20px}.login-card p{color:var(--text-secondary);margin-bottom:24px;font-size:14px}.login-card input{border:1px solid var(--border);border-radius:8px;outline:none;width:100%;margin-bottom:12px;padding:12px 16px;font-size:15px;transition:border-color .2s}.login-card input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.login-card button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;padding:12px;font-size:16px;font-weight:600;transition:opacity .2s}.login-card button:hover{opacity:.9}.login-error{color:var(--danger);margin-bottom:12px;font-size:14px}.dashboard{max-width:1280px;margin:0 auto;padding:20px}.dashboard-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.dashboard-header h1{font-size:24px;font-weight:700}.header-subtitle{color:var(--text-secondary);margin-left:12px;font-size:14px}.header-right{align-items:center;gap:12px;display:flex}.member-segment-section{margin-bottom:16px}.member-segment-heading{color:var(--text);margin:20px 0 10px;font-size:16px;font-weight:700}.member-kpi-row{grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px;display:grid}@media (width<=900px){.member-kpi-row{grid-template-columns:1fr}}.member-kpi-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);border-left:4px solid #0000;flex-direction:column;min-height:160px;padding:16px 20px;display:flex}.member-kpi-title{color:var(--text-secondary);margin-bottom:8px;font-size:13px;font-weight:600}.member-kpi-value{color:var(--text);margin-bottom:6px;font-size:24px;font-weight:700}.member-kpi-sub{color:var(--text-secondary);font-size:13px;line-height:1.6}.member-kpi-divider{background:var(--border);height:1px;margin:10px 0 8px}.member-kpi-delta{font-size:12px;font-weight:600}.skeleton-card,.skeleton-chart{background:linear-gradient(90deg,#f0f0f0 25%,#e4e4e4 50%,#f0f0f0 75%) 0 0/200% 100%;animation:1.4s ease-in-out infinite skeleton-shimmer}.skeleton-chart{border-radius:var(--radius);flex:1;min-width:300px;min-height:300px}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.golden-window-section{margin-top:20px;margin-bottom:16px}.golden-window-heading{color:var(--text);margin:8px 0 12px;font-size:16px;font-weight:700}.golden-window-overall{margin-bottom:16px}.golden-percentile-row{grid-template-columns:1fr 1.5fr 1fr;align-items:stretch;gap:12px;margin:12px 0 10px;display:grid}@media (width<=700px){.golden-percentile-row{grid-template-columns:1fr}}.golden-percentile{text-align:center;border:1px solid var(--border);background:#f9fafb;border-radius:8px;padding:14px 16px}.golden-percentile.primary{background:var(--primary-light);border-color:var(--primary)}.golden-percentile .label{color:var(--text-secondary);margin-bottom:6px;font-size:12px}.golden-percentile.primary .label{color:var(--primary);font-weight:600}.golden-percentile .value{color:var(--text);font-size:24px;font-weight:700}.golden-percentile.primary .value{color:var(--primary);font-size:28px}.golden-sample{text-align:center;color:var(--text-secondary);margin-top:6px;font-size:13px}.golden-p50-col{color:var(--primary);background:#6366f10d;font-weight:600}.golden-row-muted{color:var(--text-secondary);opacity:.6}.golden-row-muted td{font-weight:400!important}.golden-footnote{color:var(--text-secondary);background:#fafafa;border-radius:6px;margin-top:12px;padding:10px 12px;font-size:12px;line-height:1.8}.top-nav{border-bottom:1px solid var(--border);gap:4px;margin-bottom:16px;display:flex}.top-nav-tab{color:var(--text-secondary);border-bottom:3px solid #0000;margin-bottom:-1px;padding:12px 24px;font-size:15px;font-weight:600;text-decoration:none;transition:color .15s,border-color .15s}.top-nav-tab:hover{color:var(--text)}.top-nav-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.refresh-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:8px 20px;font-size:14px;font-weight:600;transition:opacity .2s}.refresh-btn:hover{opacity:.9}.refresh-btn:disabled{opacity:.5;cursor:not-allowed}.upload-btn{color:var(--text);border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:500;transition:border-color .2s}.upload-btn:hover{border-color:var(--primary);color:var(--primary)}.order-count{color:var(--text-secondary);font-size:13px}.date-filter{margin-bottom:20px}.date-presets{flex-wrap:wrap;gap:8px;display:flex}.preset-btn{border:1px solid var(--border);cursor:pointer;color:var(--text);background:#fff;border-radius:20px;padding:6px 16px;font-size:13px;transition:all .2s}.preset-btn:hover{border-color:var(--primary);color:var(--primary)}.preset-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.month-picker-wrapper{display:inline-block;position:relative}.month-picker-btn{border:1px solid var(--border);cursor:pointer;color:var(--text);background:#fff;border-radius:8px;padding:6px 14px;font-size:14px;transition:border-color .15s}.month-picker-btn:hover{border-color:var(--primary)}.month-picker-dropdown{border:1px solid var(--border);z-index:200;background:#fff;border-radius:10px;width:220px;max-height:320px;padding:8px 0;position:absolute;top:38px;left:0;overflow-y:auto;box-shadow:0 8px 24px #0000001f}.month-picker-year-header{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:600;transition:background .15s;display:flex}.month-picker-year-header:hover{background:#f3f4f6}.year-arrow{color:var(--text-secondary);font-size:10px;transition:transform .2s}.year-arrow.expanded{transform:rotate(90deg)}.month-picker-months{grid-template-columns:repeat(3,1fr);gap:4px;padding:4px 12px 8px;display:grid}.month-btn{cursor:pointer;color:var(--text);background:0 0;border:none;border-radius:6px;padding:6px 0;font-size:13px;transition:all .15s}.month-btn:hover{background:var(--primary-light);color:var(--primary)}.month-btn.selected{background:var(--primary);color:#fff;font-weight:600}.yoy-summary{flex-wrap:wrap;gap:24px;margin-bottom:10px;display:flex}.yoy-stat{flex-direction:column;gap:2px;display:flex}.yoy-label{color:var(--text-secondary);font-size:11px;font-weight:500}.yoy-value{font-size:16px;font-weight:700}.yoy-divider{background:var(--border);align-self:stretch;width:1px}.custom-range{align-items:center;gap:8px;margin-top:8px;display:flex}.custom-range input{border:1px solid var(--border);border-radius:8px;padding:6px 12px;font-size:13px}section{margin-bottom:32px}section h2{border-bottom:2px solid var(--primary);margin-bottom:16px;padding-bottom:8px;font-size:18px;font-weight:700;display:inline-block}section h3{color:var(--text);margin-bottom:12px;font-size:15px;font-weight:600}.section-badge{letter-spacing:1px;color:var(--primary);background:var(--primary-light);border-radius:4px;margin-bottom:8px;padding:3px 10px;font-size:11px;font-weight:700;display:inline-block}.summary-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px;display:grid}.summary-item{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);align-items:flex-start;gap:12px;padding:16px;display:flex}.summary-icon{flex-shrink:0;font-size:24px}.summary-label{color:var(--text-secondary);margin-bottom:4px;font-size:12px;font-weight:600}.summary-text{font-size:14px;line-height:1.5}.positive{color:var(--success);font-weight:600}.negative{color:var(--danger);font-weight:600}.tooltip-trigger{position:absolute;top:12px;right:12px}.tooltip-icon{color:#fff;cursor:help;background:#1f2937;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:12px;font-weight:700;display:inline-flex}.tooltip-content{color:#fff;z-index:100;background:#111827f2;border-radius:10px;width:340px;padding:16px;font-size:12px;line-height:1.6;display:none;position:absolute;top:28px;right:0;box-shadow:0 8px 24px #00000040}.tooltip-trigger:hover .tooltip-content{display:block}.tooltip-content p{margin:0 0 4px}.tooltip-table{border-collapse:collapse;width:100%;margin-top:4px;font-size:11px}.tooltip-table td{border:none;padding:2px 8px 2px 0}.tooltip-table td:nth-child(2),.tooltip-table td:nth-child(4){opacity:.85;font-weight:600}.kpi-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:20px;display:grid}.kpi-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);align-items:center;gap:12px;padding:16px 20px;transition:box-shadow .2s;display:flex}.kpi-card:hover{box-shadow:var(--shadow-lg)}.kpi-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:24px;display:flex}.kpi-title{color:var(--text-secondary);font-size:12px;font-weight:500}.kpi-value{color:var(--text);font-size:22px;font-weight:700}.kpi-subtitle{color:var(--text-secondary);font-size:12px}.chart-row{flex-wrap:wrap;gap:16px;margin-bottom:16px;display:flex}.chart-card{background:var(--card-bg);border-radius:var(--radius);min-width:300px;box-shadow:var(--shadow);flex:1;padding:20px}.chart-card.wide{flex:2;min-width:500px}.chart-card.small{flex:.8;min-width:250px}.table-wrapper{overflow-x:auto}.data-table{border-collapse:collapse;width:100%;font-size:13px}.data-table th{text-align:left;color:var(--text-secondary);border-bottom:2px solid var(--border);white-space:nowrap;background:#f8f9fa;padding:10px 12px;font-size:12px;font-weight:600}.data-table td{border-bottom:1px solid var(--border);padding:8px 12px}.data-table tr:hover{background:#f8f9fa}.data-table .total-row{background:#f0f2f5;font-weight:600}.data-table .low-traffic{opacity:.5}.data-table .alert-row td{color:var(--danger);font-weight:600}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background:#fff;border-radius:12px;width:90%;max-width:560px;max-height:80vh;padding:24px 28px;overflow-y:auto;box-shadow:0 20px 60px #0003}.modal-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.modal-header h3{margin:0;font-size:16px}.modal-close{cursor:pointer;color:#6b7280;background:0 0;border:none;font-size:24px;line-height:1}.modal-close:hover{color:#111}.push-high{color:#10b981;margin-right:10px;font-weight:700}.push-medium{color:#f59e0b;margin-right:10px;font-weight:700}.push-low{color:#9ca3af;margin-right:10px;font-weight:700}.source-compare-table .lineat-highlight{color:#047857;background:#e6f7ed}.source-compare-table thead th.lineat-highlight{color:#fff;background:#06c755}.source-compare-table .fbnd-highlight{color:#1d4ed8;background:#e7f0fd}.source-compare-table thead th.fbnd-highlight{color:#fff;background:#1877f2}.media-alert-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:16px 20px}.media-alert-header{align-items:center;gap:8px;margin-bottom:10px;font-size:14px;display:flex}.media-alert-list{flex-direction:column;gap:6px;display:flex}.media-alert-item{background:#fef2f2;border-radius:8px;align-items:center;gap:12px;padding:8px 12px;font-size:13px;display:flex}.media-alert-name{color:var(--danger);min-width:70px;font-weight:700}.media-alert-drop{color:var(--danger);font-weight:600}.media-alert-detail{color:var(--text-secondary);font-size:12px}.month-switcher{align-items:center;gap:8px;margin-bottom:16px;display:flex}.month-switcher label{font-size:14px;font-weight:500}.month-switcher select{border:1px solid var(--border);background:#fff;border-radius:8px;padding:6px 12px;font-size:14px}.loading{color:var(--text-secondary);flex-direction:column;align-items:center;padding:80px 0;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;margin-bottom:16px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;color:var(--text-secondary);padding:80px 0}.ai-insight-section{margin-bottom:32px}.ai-insight-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.ai-actions{align-items:center;gap:10px;display:flex}.ai-run-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;border-radius:8px;padding:8px 20px;font-size:14px;font-weight:600;transition:opacity .2s}.ai-run-btn:hover{opacity:.9}.ai-run-btn:disabled{opacity:.5;cursor:not-allowed}.ai-key-btn{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;display:flex}.ai-key-btn:hover{border-color:var(--primary)}.ai-timestamp{color:var(--text-secondary);font-size:12px}.ai-meta-bar{color:var(--text-secondary);background:#f3f4f6;border-radius:6px;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:12px;padding:8px 12px;font-size:11px;display:flex}.ai-source-tag{color:#fff;background:#6366f1;border-radius:4px;padding:2px 8px;font-size:10px;font-weight:600}.history-list{flex-direction:column;gap:8px;max-height:480px;display:flex;overflow-y:auto}.history-item{cursor:pointer;background:#f9fafb;border:1px solid #0000;border-radius:8px;padding:12px 16px;transition:border-color .15s,background .15s}.history-item:hover{border-color:var(--primary);background:#fff}.api-key-form{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);gap:8px;margin-bottom:16px;padding:16px;display:flex}.api-key-form input{border:1px solid var(--border);border-radius:8px;flex:1;padding:8px 12px;font-size:13px}.api-key-form button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600}.ai-loading{color:var(--text-secondary);background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;align-items:center;padding:48px 0;display:flex}.ai-error{border-radius:var(--radius);color:var(--danger);text-align:center;background:#fef2f2;border:1px solid #fecaca;padding:20px}.ai-error button{background:var(--danger);color:#fff;cursor:pointer;border:none;border-radius:6px;margin-top:8px;padding:6px 16px;font-size:13px}.ai-empty{text-align:center;background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);color:var(--text-secondary);padding:48px 20px}.ai-hint{opacity:.7;margin-top:8px;font-size:12px}.ai-result{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);border-left:4px solid var(--primary);padding:24px 28px}.ai-content .ai-heading{color:var(--primary);border-bottom:1px solid var(--primary-light);margin:20px 0 8px;padding-bottom:4px;font-size:15px;font-weight:700}.ai-content .ai-heading:first-child{margin-top:0}.ai-content .ai-subheading{margin:16px 0 8px;font-size:16px;font-weight:700}.ai-content .ai-paragraph{color:var(--text);margin-bottom:8px;font-size:14px;line-height:1.8}.ai-content .ai-list{margin:8px 0 12px 20px;font-size:14px;line-height:1.8}.ai-content .ai-list li{margin-bottom:4px}.activity-recap-section{margin-bottom:32px}.recap-summary{background:#f3f4f6;border-radius:8px;gap:24px;margin-bottom:16px;padding:10px 16px;font-size:13px;display:flex}.activity-list{flex-direction:column;gap:16px;display:flex}.activity-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);border-left:4px solid var(--primary);padding:20px 24px}.activity-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.activity-header h3{font-size:16px}.activity-tiers{background:#f9fafb;border-radius:8px;margin-bottom:12px;padding:8px 12px;font-size:13px}.tier-row{flex-wrap:wrap;align-items:center;gap:8px;padding:4px 0;display:flex}.tier-label{min-width:90px;font-weight:600}.tier-note{color:#6b7280;margin-left:4px;font-size:11px}.activity-compare{background:#f9fafb;border-radius:8px;grid-template-columns:repeat(4,1fr);gap:12px;padding:12px;display:grid}.compare-item{flex-direction:column;gap:4px;display:flex}.compare-label{color:#6b7280;font-size:11px;font-weight:500}.compare-value{color:var(--text);font-size:14px;font-weight:700}.recap-conclusion{background:var(--primary-light);border-radius:8px;margin-top:12px;padding:10px 14px;line-height:1.7}@media (width<=768px){.activity-compare{grid-template-columns:1fr 1fr}.dashboard{padding:12px}.dashboard-header h1{font-size:18px}.header-subtitle{display:none}.kpi-grid{grid-template-columns:repeat(2,1fr)}.chart-row{flex-direction:column}.chart-card,.chart-card.wide,.chart-card.small{flex:1;min-width:0}.summary-grid{grid-template-columns:1fr}}