@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=DM+Sans:ital,wght@0,400;0,500;0,600;1,400&display=swap";:root{color-scheme:light;--color-bg: #f8f9fb;--color-bg-subtle: #f1f3f7;--color-surface: #ffffff;--color-surface-hover: #fafbfc;--color-border: #e2e5ed;--color-border-subtle: #eef0f4;--color-text: #1a1d26;--color-text-secondary: #5a6178;--color-text-muted: #8b90a0;--color-navy: #0f172a;--color-navy-light:#1e293b;--color-teal: #0d9488;--color-teal-light:#14b8a6;--color-teal-bg: #f0fdfa;--color-blue: #2563eb;--color-blue-light:#3b82f6;--color-blue-bg: #eff6ff;--color-amber: #d97706;--color-amber-bg: #fffbeb;--color-red: #dc2626;--color-red-bg: #fef2f2;--color-green: #059669;--color-green-bg: #ecfdf5;--color-purple: #7c3aed;--color-purple-bg: #f5f3ff;--font-heading: "Plus Jakarta Sans", "Microsoft JhengHei", "微軟正黑體", -apple-system, BlinkMacSystemFont, sans-serif;--font-body: "DM Sans", "Microsoft JhengHei", "微軟正黑體", 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40px}.page-title{font-size:20px}.list-toolbar{flex-wrap:wrap}.list-search{flex:1 1 100%}.list-filter{flex:1}.detail-header{flex-direction:column}.research-card{padding:14px 16px;flex-direction:column;align-items:flex-start;gap:10px}.research-card-badges{align-self:flex-start}.download-bar{padding:12px 14px;gap:8px}.report-content{font-size:15px}.chat-bubble{max-width:92%}.login-card{max-width:none;margin:16px;padding:28px 20px}.login-brand-logo{height:96px}}@media(max-width:480px){.app-header{padding:0 12px;height:48px}.app-logo{font-size:14px}.app-logo-img{width:24px;height:24px}.page-container,.page-container-narrow{padding:16px 12px 32px}.page-header{margin-bottom:20px}.page-title{font-size:18px}.btn-primary{padding:8px 16px;font-size:13px}.progress-panel{padding:16px}.progress-header{flex-direction:column;align-items:flex-start;gap:4px}.download-bar{top:48px;flex-direction:column;align-items:stretch}.download-btn{text-align:center}.chat-send-btn{padding:10px 14px;font-size:13px}.report-toc{padding:14px 16px}.back-to-top{bottom:16px;right:16px;width:36px;height:36px}.report-content h2{scroll-margin-top:64px}}.admin-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:32px}.admin-stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px;text-align:center;box-shadow:var(--shadow-sm)}.admin-stat-value{font-family:var(--font-heading);font-size:36px;font-weight:800;color:var(--color-navy);line-height:1.1}.admin-stat-label{font-size:13px;color:var(--color-text-muted);margin-top:6px;font-weight:500}.admin-section-title{font-family:var(--font-heading);font-size:18px;font-weight:700;color:var(--color-text);margin-bottom:14px}.admin-table-wrapper{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}.admin-table{width:100%;border-collapse:collapse;font-size:14px}.admin-table th{text-align:left;padding:12px 16px;font-size:12px;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;background:var(--color-bg-subtle);border-bottom:1px solid var(--color-border)}.admin-table td{padding:12px 16px;border-bottom:1px solid var(--color-border-subtle);color:var(--color-text-secondary)}.admin-table-row:hover{background:var(--color-surface-hover)}.admin-table-row--expanded{background:var(--color-teal-bg)}.admin-table-email{font-weight:600;color:var(--color-text)}.admin-user-reports{background:var(--color-bg-subtle);border-top:1px solid var(--color-border-subtle)}.admin-table--nested{font-size:13px}.admin-table--nested th{background:transparent;font-size:11px}.admin-table--nested td{padding:10px 16px}@media(max-width:640px){.admin-stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}.admin-stat-card{padding:16px}.admin-stat-value{font-size:28px}.admin-table th,.admin-table td{padding:10px 12px;font-size:13px}}