:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--card-bg:#f9f8fb;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;font:17px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--card-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}}*{box-sizing:border-box}body{margin:0}#root{flex-direction:column;max-width:720px;height:100svh;margin:0 auto;display:flex;overflow:hidden}h1,h2,h3{color:var(--text-h);font-weight:600}p{margin:0}.app{flex-direction:column;flex:1;min-height:0;display:flex}.app-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px 12px;display:flex}.app-header h1{margin:0;font-size:19px}.lang-toggle{border:1px solid var(--accent-border);background:var(--accent-bg);color:var(--accent);cursor:pointer;border-radius:999px;flex-shrink:0;padding:6px 16px;font-size:14px;font-weight:600}main{flex:1;min-height:0;padding:16px 20px 32px;overflow-y:auto}.bottom-nav{border-top:1px solid var(--border);background:var(--bg);padding-bottom:env(safe-area-inset-bottom);flex-shrink:0;display:flex}.bottom-tab{color:var(--text);cursor:pointer;background:0 0;border:none;flex:1;justify-content:center;align-items:center;min-height:48px;padding:12px 4px;font-size:13px;font-weight:500;display:flex}.bottom-tab-active{color:var(--accent);font-weight:700}.panel{text-align:left;flex-direction:column;gap:14px;display:flex}.banner{background:var(--accent-bg);border:1px solid var(--accent-border);color:var(--text-h);border-radius:8px;padding:10px 14px;font-size:14px}.itinerary-list{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.itinerary-card{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;overflow:hidden}.itinerary-card-header{cursor:pointer;text-align:left;width:100%;font:inherit;color:inherit;background:0 0;border:none;justify-content:space-between;align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.itinerary-card-heading h3{margin:0 0 4px;font-size:17px}.itinerary-card-heading p{color:var(--text);font-size:14px;line-height:1.5}.itinerary-card-meta{flex-shrink:0;align-items:center;gap:8px;display:flex}.itinerary-date{color:var(--accent);white-space:nowrap;font-size:13px;font-weight:600}.itinerary-chevron{color:var(--text);font-size:13px}.itinerary-details{border-top:1px solid var(--border);flex-direction:column;gap:10px;padding:12px 16px 16px;display:flex}.itinerary-detail-row{flex-direction:column;gap:2px;font-size:14px;display:flex}.itinerary-detail-label{text-transform:uppercase;letter-spacing:.04em;color:var(--accent);font-size:12px;font-weight:700}.filter-row{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--border);background:var(--card-bg);color:var(--text);cursor:pointer;border-radius:999px;padding:6px 14px;font-size:13px}.chip-active{border-color:var(--accent-border);background:var(--accent-bg);color:var(--accent)}.place-list{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.place-card{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:14px 16px}.place-card-header{justify-content:space-between;align-items:center;display:flex}.place-card-header h3{margin:0;font-size:16px}.place-meta{color:var(--text);margin:4px 0 6px;font-size:13px}.place-meta .dot{margin:0 6px}.place-card p{margin-bottom:8px;font-size:14px}.place-card a{color:var(--accent);font-size:13px;font-weight:600;text-decoration:none}.star-btn{color:var(--border);cursor:pointer;background:0 0;border:none;font-size:20px;line-height:1}.star-active{color:#f5a623}.search-input{border:1px solid var(--border);background:var(--card-bg);color:var(--text-h);border-radius:8px;padding:10px 14px;font-size:15px}.phrase-group h3{color:var(--accent);margin:0 0 8px;font-size:15px}.phrase-list{flex-direction:column;gap:8px;margin:0 0 16px;padding:0;list-style:none;display:flex}.phrase-card{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;justify-content:space-between;align-items:center;padding:10px 14px;display:flex}.phrase-main{flex-direction:column;gap:2px;display:flex}.phrase-en{color:var(--text);font-size:14px}.phrase-zh{color:var(--text-h);font-size:17px;font-weight:600}.phrase-pinyin{color:var(--text);font-size:12px;font-style:italic}.family-root{text-align:center;flex-direction:column;align-items:center;gap:4px;padding:10px 0 4px;display:flex}.family-root-name{color:var(--text);font-size:13px}.family-root-parent{color:var(--text-h);font-size:17px;font-weight:700}.family-list{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.family-card{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:14px 16px}.empty-state{color:var(--text);padding:8px 0;font-size:14px}.gender-male{--gender-color:#2563eb;--gender-bg:#2563eb14;--gender-border:#2563eb59}.gender-female{--gender-color:#db2777;--gender-bg:#db277714;--gender-border:#db277759}.couple-row{align-items:stretch;gap:8px;margin-bottom:10px;display:flex}.couple-connector{color:var(--text);flex-shrink:0;align-items:center;font-size:16px;display:flex}.person-box{border:1px solid var(--gender-border,var(--border));background:var(--gender-bg,var(--card-bg));cursor:pointer;text-align:left;border-radius:8px;flex:1;width:100%;min-width:0;padding:8px 10px}.person-box-name{color:var(--gender-color,var(--text-h));margin:0;font-size:15px;font-weight:600}.person-box-age{color:var(--text);margin-top:2px;font-size:12px}.person-box-desc{color:var(--text-h);border-top:1px dashed var(--gender-border,var(--border));margin-top:6px;padding-top:6px;font-size:13px}.children-toggle{color:var(--accent);cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;padding:0;font-size:13px;font-weight:600;display:flex}.children-detail-list{flex-direction:column;gap:8px;margin:10px 0 0;padding:0;list-style:none;display:flex}.expense-summary{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;justify-content:space-between;align-items:baseline;padding:14px 16px;display:flex}.expense-summary-label{color:var(--text);font-size:14px}.expense-summary-value{color:var(--text-h);font-size:20px;font-weight:700}.expense-summary-usd{color:var(--text);font-size:13px;font-weight:400}.expense-balances{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:14px 16px}.expense-balances h3{margin:0 0 8px;font-size:14px}.expense-balances h3:not(:first-child){margin-top:14px}.balance-list{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.balance-chip{border:1px solid var(--border);background:var(--bg);border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;display:flex}.balance-positive{color:#16a34a;font-weight:700}.balance-negative{color:#dc2626;font-weight:700}.settlement-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.settlement-row{font-size:14px}.expense-form{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;flex-direction:column;gap:10px;padding:14px 16px;display:flex}.expense-form h3{margin:0;font-size:15px}.form-field{color:var(--text);flex-direction:column;gap:4px;font-size:13px;display:flex}.form-field input,.form-field select{border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:6px;padding:8px 10px;font-size:14px}.form-row{gap:10px;display:flex}.form-row .form-field{flex:1}.split-checkboxes{flex-wrap:wrap;gap:10px;display:flex}.split-checkbox{color:var(--text-h);align-items:center;gap:6px;font-size:13px;display:flex}.add-expense-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;align-self:flex-start;padding:8px 20px;font-size:14px;font-weight:600}.expense-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.expense-card{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:12px 16px}.expense-card-header{justify-content:space-between;align-items:center;display:flex}.expense-card-header h4{margin:0;font-size:15px}.delete-btn{color:var(--text);cursor:pointer;background:0 0;border:none;font-size:20px;line-height:1}.expense-meta{color:var(--text);align-items:center;gap:6px;margin:4px 0;font-size:13px;display:flex}.chip-static-category{cursor:default;padding:2px 10px;font-size:12px}.expense-people{color:var(--text);font-size:12px}.others-menu-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.others-menu-item{background:var(--card-bg);border:1px solid var(--border);width:100%;color:var(--text-h);cursor:pointer;text-align:left;border-radius:10px;justify-content:space-between;align-items:center;padding:16px;font-size:16px;font-weight:600;display:flex}.others-menu-chevron{color:var(--text);font-size:16px}.sub-page-header{align-items:center;gap:10px;margin-bottom:6px;display:flex}.back-btn{color:var(--accent);cursor:pointer;background:0 0;border:none;padding:4px 0;font-size:15px;font-weight:600}.sub-page-header h2{margin:0;font-size:18px}.contacts-section h3{color:var(--accent);margin:0 0 8px;font-size:14px}.contact-list{flex-direction:column;gap:10px;margin:0 0 18px;padding:0;list-style:none;display:flex}.contact-card{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:12px 16px}.contact-card-name{color:var(--text-h);font-size:15px;font-weight:600}.contact-card-role{color:var(--text);margin:2px 0 6px;font-size:13px}.contact-card-row{color:var(--text-h);font-size:14px}.contact-card-row a{color:var(--accent);font-weight:600;text-decoration:none}.banner.banner-error{background:#dc26261a;border-color:#dc262680}.expense-filter{flex-direction:column;gap:8px;margin:16px 0 12px;display:flex}.expense-filter h3{margin:0}.expense-filter-footer{color:var(--text);justify-content:space-between;align-items:center;gap:10px;font-size:13px;display:flex}.collapse-toggle{width:100%;color:var(--text-h);font:inherit;cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;padding:0;font-size:14px;font-weight:600;display:flex}.collapse-toggle-open{margin-bottom:8px}.split-group{flex-direction:column;gap:4px;display:flex}.split-group+.split-group{margin-top:6px}.split-group-label{color:var(--text);font-size:12px}.expense-edit-form{margin:0}.expense-edit-actions{align-items:center;gap:10px;display:flex}.expense-summary{flex-wrap:wrap;gap:8px}.expense-summary-left{align-items:center;gap:10px;display:flex}.currency-toggle{gap:4px;display:inline-flex}.currency-toggle-btn{padding:2px 10px;font-size:12px}.balance-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.balance-grid .balance-chip{text-align:center;border-radius:12px;flex-direction:column;align-items:center;gap:2px;min-width:0;padding:6px 4px}.balance-grid .balance-name{text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.balance-grid .balance-positive,.balance-grid .balance-negative{font-size:12px}.settlement-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 12px;display:grid}.settlement-row{min-width:0;font-size:12.5px}.date-field{position:relative}.date-field-btn{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text-h);font:inherit;text-align:left;cursor:pointer;border-radius:6px;justify-content:space-between;align-items:center;padding:8px 10px;font-size:14px;display:flex}.date-field-empty span{color:var(--text);opacity:.7}.date-popup{z-index:20;box-sizing:border-box;background:var(--bg);border:1px solid var(--border);border-radius:10px;width:288px;max-width:calc(100vw - 32px);padding:10px;position:absolute;top:calc(100% + 4px);left:0;box-shadow:0 6px 24px #0000002e}.date-popup-right{left:auto;right:0}.date-popup-head,.date-popup-foot{justify-content:space-between;align-items:center;gap:4px;display:flex}.date-popup-head button,.date-popup-foot button{color:var(--accent);font:inherit;cursor:pointer;background:0 0;border:none;padding:4px 8px;font-size:15px}.date-popup-foot button:disabled{color:var(--text);opacity:.4;cursor:default}.date-popup-title{text-align:center;color:var(--text-h);flex:1;font-size:14px;font-weight:600}.date-grid{grid-template-columns:repeat(7,1fr);gap:2px;margin:6px 0;display:grid}.date-weekday{text-align:center;color:var(--text);padding:4px 0;font-size:12px}.date-day{color:var(--text-h);font:inherit;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;height:34px;padding:0;font-size:13px}.date-day-outside{color:var(--text);opacity:.45}.date-day-today{border-color:var(--accent-border)}.date-day-selected{background:var(--accent);border-color:var(--accent);color:#fff;opacity:1}.date-day:disabled{opacity:.25;cursor:default}