:root{--bg: #f7f6f3;--surface: #ffffff;--surface-2: #fafaf8;--border: rgba(0, 0, 0, .08);--border-2: rgba(0, 0, 0, .05);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .06);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .1);--ink: #1a1a1a;--ink-2: #555555;--ink-3: #888888;--ink-4: #b0b0b0;--accent: #2a2a2a;--accent-soft: #6b6b6b;--danger: #c44545;--success: #4a6b4a;--serif: "Noto Serif SC", "Songti SC", serif;--sans: "Noto Sans SC", system-ui, sans-serif;--r-sm: 6px;--r-md: 10px;--r-lg: 16px;--r-xl: 24px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100%}body{font-family:var(--sans);color:var(--ink);background:var(--bg);font-size:14px;line-height:1.55}button,input,textarea,select{font-family:inherit;color:inherit;font-size:inherit}button{cursor:pointer;border:none;background:none}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--ink-4);border-radius:4px}.app{min-height:100dvh;display:flex;flex-direction:column}.masthead{position:relative;min-height:220px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;isolation:isolate;color:#fff}.masthead-cover{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.masthead-bg{position:absolute;inset:0;z-index:-2;background:radial-gradient(ellipse 90% 60% at 25% 30%,rgba(255,255,255,.06) 0%,transparent 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.18s,border-color .18s;white-space:nowrap;cursor:pointer;-webkit-user-select:none;user-select:none;position:relative}.tab.on{color:var(--ink);border-bottom-color:var(--ink);font-weight:600}.tab-rename-hint{position:absolute;top:-28px;left:50%;transform:translate(-50%);background:var(--ink);color:#fff;padding:4px 10px;border-radius:4px;font-size:11px;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .15s;z-index:10}.tab:active .tab-rename-hint,.tab.long-press .tab-rename-hint{opacity:1}.panel{padding:16px 14px 96px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:16px 14px;margin-bottom:12px;box-shadow:var(--shadow-sm)}.card-title{font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink);margin-bottom:12px;letter-spacing:.04em;display:flex;align-items:center;gap:8px}.card-title:before{content:"";width:3px;height:14px;background:var(--ink);border-radius:1.5px}input[type=text],input[type=number],input[type=email],input:not([type]),textarea,select{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-sm);padding:9px 11px;outline:none;width:100%;color:var(--ink);transition:border-color .15s,background .15s}input:focus,textarea:focus,select:focus{border-color:var(--ink);background:var(--surface)}input::placeholder,textarea::placeholder{color:var(--ink-4)}select{appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:28px}.field{display:flex;flex-direction:column;gap:5px}.field-label{font-size:11px;color:var(--ink-3);font-weight:500;letter-spacing:.04em;text-transform:uppercase}.select-wrap{position:relative}.select-wrap:after{content:"▾";position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:12px;pointer-events:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:5px;border:none;border-radius:var(--r-sm);font-size:13px;font-weight:500;padding:9px 14px;cursor:pointer;transition:all .15s;white-space:nowrap}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{background:#000}.btn-ghost{background:transparent;color:var(--ink-2);border:1px solid var(--border)}.btn-ghost:hover{color:var(--ink);border-color:var(--ink-3);background:var(--surface-2)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#a93a3a}.btn-block{width:100%}.btn-tiny{font-size:11px;padding:4px 8px;border-radius:4px}.btn-icon{width:30px;height:30px;border-radius:var(--r-sm);display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--ink-3);transition:all .15s;flex-shrink:0;border:none;cursor:pointer;font-size:14px}.btn-icon:hover{background:var(--surface-2);color:var(--ink)}.btn-icon.btn-icon-danger:hover{color:var(--danger);background:#c4454514}.row{display:flex;gap:8px;flex-wrap:wrap}.action-chip{display:inline-flex;align-items:center;gap:4px;padding:5px 10px;border-radius:var(--r-sm);background:var(--surface-2);border:1px solid var(--border);color:var(--ink-2);font-size:11px;cursor:pointer;transition:all .15s;margin-right:4px}.action-chip:hover{border-color:var(--ink);color:var(--ink)}.action-chip.action-danger:hover{border-color:var(--danger);color:var(--danger)}.action-chip .icon{font-size:13px}.combined-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm)}.cover-upload-area{position:relative;height:140px;background:var(--surface-2);background-image:repeating-linear-gradient(45deg,transparent 0 8px,rgba(0,0,0,.025) 8px 9px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden;transition:background .15s}.cover-upload-area:hover{background-color:#f0efeb}.cover-upload-area img{width:100%;height:100%;object-fit:cover}.cover-upload-area .cover-placeholder{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--ink-3);font-size:12px}.cover-upload-area .cover-placeholder 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var(--border);border-radius:var(--r-md);aspect-ratio:16/10;background:var(--surface-2);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;position:relative;overflow:hidden;transition:all .15s}.map-inline-card:hover{border-color:var(--ink-3);background:var(--surface)}.map-inline-card img{width:100%;height:100%;object-fit:cover}.map-inline-card .map-icon{font-size:22px;color:var(--ink-3)}.map-inline-card .map-text{font-size:11px;color:var(--ink-3)}.map-inline-card .map-overlay{position:absolute;inset:0;background:#0006;color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;opacity:0;transition:opacity .15s}.map-inline-card:hover .map-overlay{opacity:1}.people{display:flex;flex-wrap:wrap;gap:6px}.chip{display:inline-flex;align-items:center;gap:6px;background:var(--surface-2);border:1px solid var(--border);border-radius:18px;padding:5px 8px 5px 9px;font-size:12px;transition:all .15s}.chip:hover{border-color:var(--ink-3)}.chip .dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}.chip .remove-btn{width:16px;height:16px;border-radius:50%;background:transparent;color:var(--ink-4);display:flex;align-items:center;justify-content:center;font-size:12px;transition:all .15s;flex-shrink:0;border:none;cursor:pointer;line-height:1}.chip .remove-btn:hover{background:var(--danger);color:#fff}.join{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:10px}.dp-trigger{display:flex;align-items:center;justify-content:space-between;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-sm);padding:9px 11px;cursor:pointer;font-size:14px;color:var(--ink);transition:border-color .15s;min-height:38px}.dp-trigger:hover{border-color:var(--ink-3)}.dp-trigger.is-empty{color:var(--ink-4)}.dp-trigger .clear{font-size:14px;color:var(--ink-4);cursor:pointer;padding:0 4px}.dp-trigger 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-14px}.day-chips{display:flex;gap:6px;overflow-x:auto;padding:0 14px 12px;scrollbar-width:none}.day-chips::-webkit-scrollbar{display:none}.day-chip{flex:none;border-radius:18px;border:1px solid var(--border);background:var(--surface);padding:6px 12px;font-size:12px;color:var(--ink-2);transition:all .15s;white-space:nowrap;cursor:pointer;font-family:inherit;position:relative;z-index:1;touch-action:manipulation}.day-chip:first-of-type{margin-left:14px}.day-chip:last-of-type{margin-right:14px}.day-chip.on{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:600}.album{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 14px 24px;-webkit-overflow-scrolling:touch;scroll-behavior:smooth}.day-page{flex:none;width:min(320px,84vw);scroll-snap-align:start;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-md);overflow:hidden;height:75vh;display:flex;flex-direction:column}.day-head{padding:16px 14px 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.actions{display:flex;gap:8px;justify-content:flex-end;padding-top:4px}.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;margin-bottom:14px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:12px 12px 10px;box-shadow:var(--shadow-sm)}.stat-card.highlight{background:var(--ink);border-color:var(--ink);color:#fff}.stat-card .stat-label{font-size:10px;color:var(--ink-3);font-weight:500;letter-spacing:.06em;text-transform:uppercase;margin-bottom:3px}.stat-card.highlight .stat-label{color:#fff9}.stat-card .stat-value{font-family:var(--serif);font-size:18px;font-weight:700;line-height:1.1}.stat-card .stat-sub{font-size:10px;color:var(--ink-3);margin-top:2px}.stat-card.highlight .stat-sub{color:#ffffff8c}.cat-filters{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;margin-bottom:8px}.cat-filters::-webkit-scrollbar{display:none}.cat-filters button{flex:none;border-radius:18px;border:1px solid var(--border);background:var(--surface);padding:4px 12px;font-size:12px;color:var(--ink-2);white-space:nowrap;transition:all .15s}.cat-filters button.on{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:600}.day-filters{display:flex;gap:5px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none;margin-bottom:12px}.day-filters::-webkit-scrollbar{display:none}.day-filters button{flex:none;border-radius:6px;border:1px solid var(--border-2);background:var(--surface-2);padding:4px 10px;font-size:11px;color:var(--ink-2);white-space:nowrap;transition:all .15s;position:relative;z-index:1;font-family:inherit}.day-filters button.on{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:600}.expense-table{overflow-x:auto;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-sm);margin-bottom:12px}table{border-collapse:collapse;width:100%;min-width:600px}th,td{padding:8px 6px;text-align:left;font-size:12px;border-bottom:1px solid var(--border-2);vertical-align:middle}th{background:var(--surface-2);font-weight:600;color:var(--ink-2);font-size:10px;letter-spacing:.04em;text-transform:uppercase}td input[type=number],td select{width:100%;padding:5px 7px;font-size:12px;border-radius:4px;background:var(--surface-2);border:1px solid var(--border)}.paidBy-select{min-width:80px;font-size:12px;padding:5px 24px 5px 8px;border-radius:6px;background:var(--surface-2);border:1px solid var(--border);color:var(--ink);font-weight:500;cursor:pointer;transition:all .15s;appearance:none;-webkit-appearance:none}.dp-dropdown{position:relative;z-index:10;display:inline-block;min-width:84px}.dp-dropdown-trigger{font-size:12px;padding:5px 22px 5px 10px;border-radius:6px;background:var(--surface-2);border:1px solid var(--border);color:var(--ink);font-weight:500;cursor:pointer;transition:all .15s;text-align:left;width:100%;display:inline-flex;align-items:center;justify-content:space-between;gap:6px}.dp-dropdown-trigger:hover{border-color:var(--ink);background:var(--surface)}.dp-dropdown-trigger.is-empty{color:var(--ink-4)}.dp-dropdown-trigger .chev{font-size:10px;color:var(--ink-3);transition:transform .15s}.dp-dropdown.open .dp-dropdown-trigger .chev{transform:rotate(180deg)}.dp-dropdown.open .dp-dropdown-trigger{border-color:var(--ink);background:var(--surface)}.dp-dropdown-panel{position:absolute;top:calc(100% + 4px);left:0;min-width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);box-shadow:var(--shadow-md);padding:4px;z-index:30;max-height:220px;overflow-y:auto;animation:dp-in .14s ease}.dp-dropdown-item{display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:4px;font-size:12px;color:var(--ink);cursor:pointer;transition:background 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