:root{--text:#333;--text-h:#111;--bg:#fff;--border:#e0e0e0;--accent:#ff7a59;--danger:#d64545;color:var(--text);background:var(--bg);font:16px/1.5 system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0}h1,h2{color:var(--text-h);font-weight:600}button{font:inherit;border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:6px;padding:8px 14px}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.danger{color:var(--danger);border-color:var(--danger)}input,select{font:inherit;border:1px solid var(--border);border-radius:4px;padding:6px 8px}input[type=number]{appearance:textfield}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.page{max-width:none;margin:0;padding:16px 10px}.page-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.login-page{justify-content:center;align-items:center;min-height:100svh;display:flex}.login-form{flex-direction:column;gap:12px;width:min(320px,90vw);display:flex}.login-form label{flex-direction:column;gap:4px;display:flex}.login-error{color:var(--danger);font-size:14px}.error-banner{color:var(--danger);border:1px solid var(--danger);background:#d645451a;border-radius:6px;margin-bottom:16px;padding:8px 12px;font-size:14px}.event-list{flex-direction:column;gap:8px;margin-top:16px;padding:0;list-style:none;display:flex}.event-list a{border:1px solid var(--border);color:inherit;border-radius:8px;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:12px 16px;text-decoration:none;display:flex}.event-fields{border:1px solid var(--border);background:#fafafa;border-radius:10px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px;padding:14px 16px;display:grid}.event-fields label{color:#767676;letter-spacing:.02em;flex-direction:column;gap:4px;font-size:12px;font-weight:500;display:flex}.event-fields input{color:var(--text-h);background:#fff;font-size:14px}.group-section-wrap{margin-bottom:16px}.group-section-wrap>summary{color:var(--text-h);cursor:pointer;padding:4px 0;font-size:14px;font-weight:600}.group-section-wrap[open]>summary{margin-bottom:8px}.group-section{flex-wrap:wrap;gap:12px;display:flex}.group-manager,.group-summary{border:1px solid var(--border);background:#fafafa;border-radius:10px;flex:280px;margin-bottom:0;padding:10px 14px 14px}.group-manager h3,.group-summary h3{color:#767676;margin:0 0 8px;font-size:13px;font-weight:600}.group-manager-form{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.group-manager-form input{font-size:13px}.color-palette{flex-wrap:wrap;gap:4px;max-width:220px;display:flex}.color-swatch{border:2px solid #0000;border-radius:50%;flex:0 0 20px;width:20px;height:20px;padding:0;position:relative}.color-swatch.selected{border-color:var(--text-h)}.color-swatch-check{color:#0000008c;pointer-events:none;justify-content:center;align-items:center;font-size:11px;font-weight:700;display:flex;position:absolute;inset:0}.group-manager-form button{padding:6px 10px;font-size:13px}.group-manager-form .color-swatch{padding:0}.group-list{flex-wrap:wrap;gap:6px;margin:10px 0 0;padding:0;list-style:none;display:flex}.group-list li{border-radius:14px;align-items:center;padding:3px 8px;font-size:13px;display:flex;position:relative}.group-chip-remove{border:1px solid var(--border);width:16px;height:16px;color:var(--danger);background:#fff;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:11px;line-height:1;display:flex;position:absolute;top:-6px;right:-6px}.group-summary-list{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.group-summary-list li{border-radius:14px;align-items:center;gap:6px;padding:4px 10px;font-size:13px;font-weight:600;display:flex}.group-summary-list li.ungrouped{background:#f4f3ec;font-weight:400}.contribution-table-wrap{border:1px solid var(--border);border-radius:8px;max-height:88vh;overflow:auto}.contribution-table{border-collapse:collapse;table-layout:fixed;width:100%;font-size:14px}.contribution-table th,.contribution-table td{border-bottom:1px solid var(--border);text-align:center;white-space:nowrap;padding:2px 3px}.contribution-table tr.group-start td{border-top:2px solid #888}.contribution-table .sticky-col{z-index:1;text-overflow:ellipsis;background-color:#fff;position:sticky;left:0;overflow:hidden}.contribution-table thead th{z-index:2;background-color:#fff;position:sticky;top:0}.contribution-table thead th.sticky-col{z-index:3}.contribution-table .col-index{width:30px;min-width:30px;max-width:30px}.contribution-table .col-group{width:80px;min-width:80px;left:30px}.contribution-table .col-nickname{width:80px;min-width:80px;left:98px}.contribution-table .col-group select{width:100%}.contribution-table .col-total{width:36px;min-width:36px;max-width:36px}.contribution-table .col-amount{width:76px;min-width:76px}.contribution-table .col-date{min-width:26px;max-width:72px}.contribution-table .col-actions{width:52px}.contribution-table input[type=number]{text-align:center;width:100%;min-width:2ch;padding:1px 2px}.contribution-table button{padding:2px 6px;font-size:12px}.contribution-cards{flex-direction:column;gap:8px;display:flex}.contribution-card{border:1px solid var(--border);border-radius:8px;overflow:hidden}.contribution-card-header{cursor:pointer;justify-content:space-between;padding:12px;font-weight:600;display:flex}.contribution-card-body{flex-direction:column;gap:12px;padding:0 12px 12px;display:flex}.contribution-card-body .group-select{align-items:center;gap:8px;font-size:14px;display:flex}.date-inputs{grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:8px;display:grid}.date-inputs label{flex-direction:column;gap:2px;font-size:12px;display:flex}.date-inputs input{width:100%}@media (width<=480px){.page{padding:16px 10px}.event-fields{flex-direction:column}}.modal-overlay{z-index:100;background:#0006;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-panel{background:#fff;border-radius:10px;flex-direction:column;width:min(420px,100%);max-height:80vh;padding:16px;display:flex}.modal-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.modal-header h3{margin:0;font-size:16px}.modal-add-new{gap:8px;margin-bottom:12px;display:flex}.modal-add-new input{flex:1}.modal-search{width:100%;margin-bottom:8px}.select-all-row{color:#767676;cursor:pointer;align-items:center;gap:8px;padding:4px 2px 8px;font-size:13px;display:flex}.participant-checklist{border:1px solid var(--border);border-radius:6px;flex:1;margin:0;padding:0;list-style:none;overflow-y:auto}.participant-checklist li{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;display:flex}.participant-checklist li:last-child{border-bottom:none}.participant-checklist label{cursor:pointer;flex:1;align-items:center;gap:8px;padding:8px 10px;font-size:14px;display:flex}.participant-group-tag{color:var(--text-h);border-radius:10px;padding:2px 8px;font-size:11px}.participant-checklist li button{margin-right:8px;padding:3px 8px;font-size:12px}.modal-footer{justify-content:flex-end;margin-top:12px;display:flex}.save-toast{color:#fff;opacity:0;pointer-events:none;z-index:200;background:#2f2f2f;border-radius:8px;padding:8px 14px;font-size:13px;transition:opacity .2s,transform .2s;position:fixed;top:16px;right:16px;transform:translateY(-8px)}.save-toast.visible{opacity:1;transform:translateY(0)}.table-actions{align-items:center;gap:12px;margin-bottom:8px;display:flex}.table-totals{color:var(--text-h);font-size:14px;font-weight:600}.action-buttons{gap:8px;margin-left:auto;display:flex}.action-buttons button{align-items:center;gap:6px;display:inline-flex}.action-buttons button svg{flex-shrink:0}.export-preview-panel{width:min(90vw,1000px);max-height:90vh}.export-preview-scroll{border:1px solid var(--border);border-radius:6px;flex:1;padding:8px;overflow:auto}.export-table-wrap{background:#fff;padding:16px;font-family:system-ui,Segoe UI,Roboto,sans-serif;display:inline-block}.export-table-title{margin:0 0 12px;font-size:16px}.export-table{border-collapse:collapse;white-space:nowrap;font-size:13px}.export-table th,.export-table td{text-align:center;border:1px solid #ddd;padding:4px 10px}.export-table thead th{background:#f5f5f5;font-weight:600}.export-table tr.group-start td{border-top:2px solid #888}.export-table td.group-total-cell{vertical-align:middle;font-weight:600}