:root{--bg: var(--tg-theme-bg-color, #ffffff);--text: var(--tg-theme-text-color, #1d1d1f);--hint: var(--tg-theme-hint-color, #86868b);--link: var(--tg-theme-link-color, #1d1d1f);--btn-bg: var(--tg-theme-button-color, #1d1d1f);--btn-text: var(--tg-theme-button-text-color, #ffffff);--secondary-bg: var(--tg-theme-secondary-bg-color, #f5f5f7);--border: rgba(0, 0, 0, .06);--shadow: 0 1px 3px rgba(0, 0, 0, .04), 0 4px 12px rgba(0, 0, 0, .03);--shadow-md: 0 2px 8px rgba(0, 0, 0, .06), 0 8px 24px rgba(0, 0, 0, .06);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .08), 0 12px 32px rgba(0, 0, 0, .08);--radius: 16px;--radius-sm: 12px;--accent: #34c759;--accent-bg: #34c75915;--danger: #ff3b30}*{box-sizing:border-box}body{background:var(--secondary-bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased}#root{max-width:600px;margin:0 auto;min-height:100vh}.page{padding:20px 16px 90px}.section{background:var(--bg);border-radius:var(--radius);overflow:hidden;margin-bottom:12px;box-shadow:var(--shadow)}.section-header{padding:16px 16px 8px;font-size:12px;font-weight:700;color:var(--hint);text-transform:uppercase;letter-spacing:.06em}.card{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;cursor:pointer;text-decoration:none;color:inherit;background:var(--bg);transition:background .2s ease,transform .15s ease}.card:last-child{border-bottom:none}.card:active{background:var(--secondary-bg);transform:scale(.985)}.card-content{flex:1;min-width:0}.card-title{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-subtitle{font-size:13px;color:var(--hint);margin-top:2px}.card-right{text-align:right;flex-shrink:0}.card-amount{font-weight:700;font-size:15px}.card-arrow{color:var(--hint);font-size:20px;margin-left:4px;font-weight:300}.btn{display:block;width:100%;padding:15px;background:var(--btn-bg);color:var(--btn-text);border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;text-align:center;transition:opacity .15s,transform .15s;box-shadow:var(--shadow)}.btn:active{opacity:.85;transform:scale(.98)}.btn:disabled{opacity:.45;cursor:default;transform:none}.btn-secondary{background:var(--bg);color:var(--text);box-shadow:var(--shadow)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{display:inline-block;width:auto;padding:8px 16px;font-size:14px;border-radius:var(--radius-sm)}.form-section{background:var(--bg);border-radius:var(--radius);overflow:hidden;margin-bottom:16px;box-shadow:var(--shadow)}.form-row{display:flex;align-items:center;padding:0 16px;border-bottom:1px solid var(--border)}.form-row:last-child{border-bottom:none}.form-label{font-size:15px;width:110px;flex-shrink:0;color:var(--hint);font-weight:500}.form-input{flex:1;padding:15px 0;border:none;outline:none;font-size:15px;background:transparent;color:var(--text);text-align:right}.form-input::placeholder{color:var(--hint);opacity:.6}.form-select{flex:1;padding:15px 0;border:none;outline:none;font-size:15px;background:transparent;color:var(--text);text-align:right;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer}.toggle-item{display:flex;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border);cursor:pointer;gap:12px;-webkit-user-select:none;user-select:none;transition:background .15s}.toggle-item:last-child{border-bottom:none}.toggle-item:active{background:var(--secondary-bg)}.toggle-check{width:22px;height:22px;border-radius:50%;border:2px solid var(--hint);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s ease;opacity:.5}.toggle-check.checked{background:var(--btn-bg);border-color:var(--btn-bg);color:#fff;opacity:1}.avatar{width:40px;height:40px;border-radius:12px;background:var(--btn-bg);color:var(--btn-text);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.01em}.badge-active{background:var(--accent-bg);color:var(--accent)}.badge-closed{background:#8e8e9312;color:#8e8e93}.badge-paid{background:var(--accent-bg);color:var(--accent)}.empty-state{text-align:center;padding:56px 24px;color:var(--hint)}.empty-state-icon{font-size:48px;margin-bottom:16px}.empty-state-text{font-size:15px;line-height:1.5}.page-title{font-size:24px;font-weight:800;margin-bottom:20px;letter-spacing:-.02em}.error-msg{color:var(--danger);font-size:13px;margin-top:8px;text-align:center}.loading{display:flex;justify-content:center;align-items:center;min-height:200px;color:var(--hint);font-size:14px}.divider{height:1px;background:var(--border);margin:0}.gap{height:12px}.copy-btn{display:flex;align-items:center;gap:8px;padding:14px 16px;background:transparent;border-radius:0;border:none;border-top:1px solid var(--border);width:100%;text-align:left;cursor:pointer;font-size:14px;font-weight:500;color:var(--btn-bg);transition:background .15s}.copy-btn:active{background:var(--secondary-bg)}.tag-list{display:flex;flex-wrap:wrap;gap:6px;padding:8px 0}.tag{padding:4px 10px;border-radius:20px;background:var(--secondary-bg);font-size:13px}.row{display:flex;justify-content:space-between;align-items:center}.currency-flag{font-size:20px;width:32px;text-align:center}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.4);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100;padding:24px;animation:fadeIn .2s ease}.modal-content{background:var(--bg);border-radius:var(--radius);padding:24px;width:100%;max-width:400px;box-shadow:var(--shadow-lg);animation:slideUp .3s cubic-bezier(.16,1,.3,1)}.pie-chart-wrapper{margin-bottom:12px;opacity:0;transform:translateY(16px) scale(.96);transition:opacity .5s cubic-bezier(.16,1,.3,1),transform .5s cubic-bezier(.16,1,.3,1)}.pie-chart-wrapper.pie-chart-visible{opacity:1;transform:translateY(0) scale(1)}.pie-chart-card{background:var(--bg);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.pie-chart-card .chart-row{display:flex;align-items:center;gap:20px}.pie-svg-wrap{flex-shrink:0;filter:drop-shadow(0 4px 8px rgba(0,0,0,.1))}.pie-svg{animation:pieSpinIn .7s cubic-bezier(.16,1,.3,1) forwards}.pie-legend{flex:1;font-size:13px}.pie-legend-item{display:flex;align-items:center;gap:8px;margin-bottom:6px}.pie-legend-dot{width:10px;height:10px;border-radius:4px;flex-shrink:0}.pie-legend-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}.pie-legend-pct{font-weight:700;flex-shrink:0;font-size:14px}.chart-modal-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}.chart-modal-row:last-of-type{border-bottom:none}.chart-modal-name{flex:1;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chart-modal-amount{font-weight:700;font-size:15px;flex-shrink:0}.chart-modal-pct{color:var(--hint);font-size:13px;width:36px;text-align:right;flex-shrink:0}.chart-modal-total{display:flex;justify-content:space-between;padding:12px 0 0;margin-top:4px;border-top:2px solid var(--border);font-size:16px;font-weight:600}@keyframes pieSpinIn{0%{transform:rotate(-120deg) scale(.3);opacity:0}to{transform:rotate(0) scale(1);opacity:1}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(40px) scale(.97);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.members-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;gap:12px}.members-bar-info{display:flex;align-items:center;gap:8px;font-size:15px}.members-bar-count{background:var(--secondary-bg);color:var(--hint);font-size:13px;font-weight:700;padding:2px 8px;border-radius:10px}.members-bar-actions{display:flex;gap:6px}.members-bar-btn{background:var(--secondary-bg);color:var(--text);border:none;border-radius:var(--radius-sm);padding:6px 14px;font-size:13px;font-weight:600;cursor:pointer;transition:opacity .15s;white-space:nowrap}.members-bar-btn:active{opacity:.7}.members-bar-btn-accent{background:var(--btn-bg);color:var(--btn-text)}.show-all-btn{display:block;width:100%;padding:12px 16px;background:transparent;border:none;border-top:1px solid var(--border);color:var(--btn-bg);font-size:14px;font-weight:600;cursor:pointer;text-align:center;transition:background .15s}.show-all-btn:active{background:var(--secondary-bg)}.collapsible-header{display:flex;justify-content:space-between;align-items:center;cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.collapse-arrow{font-size:16px;font-weight:700;color:var(--hint);transition:transform .3s cubic-bezier(.16,1,.3,1);transform:rotate(0)}.collapse-arrow.expanded{transform:rotate(90deg)}.collapsible-body{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.16,1,.3,1)}.collapsible-body.expanded{max-height:2000px}.stat-row{display:flex;gap:10px;margin-bottom:12px}.stat-mini{flex:1;background:var(--bg);border-radius:var(--radius-sm);padding:14px;box-shadow:var(--shadow);text-align:center}.stat-mini .stat-label{font-size:11px;font-weight:600;color:var(--hint);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}.stat-mini .stat-value{font-size:20px;font-weight:800;letter-spacing:-.02em}.settlement-row{padding:14px 16px;border-bottom:1px solid var(--border)}.settlement-row:last-child{border-bottom:none}.settlement-names{display:flex;align-items:center;gap:8px;margin-bottom:4px}.settlement-arrow{color:var(--hint);font-size:12px}.settlement-amount{font-weight:700;font-size:16px}