:root{--color-ink:#14161a;--color-white:#fff;--color-border:#e2e4e9;--color-row-separator:#f0f1f3;--color-purple:#6c63ff;--color-destructive:#ef4444;--color-text-secondary:#6b7280;--color-badge-bg:#f3f4f6;--color-badge-text:#374151;--color-label:#374151;--color-placeholder:#9ca3af;--radius-pill:9999px;--radius-badge:8px;--radius-card:20px;--radius-input:12px;--shadow-card:0 4px 20px #0000000f}*{box-sizing:border-box}html,body,#root{height:100%}body{color:var(--color-ink);-webkit-tap-highlight-color:transparent;background:#f7f7f9;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}button,input,select,textarea{font-family:inherit}a{color:inherit}.app-shell{background:#f7f7f9;flex-direction:column;max-width:480px;min-height:100dvh;margin:0 auto;display:flex;position:relative}.screen{flex:1;padding:16px 16px 96px;overflow-y:auto}.screen-narrow{padding:16px 20px 96px}.btn{border-radius:var(--radius-pill);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;font-size:15px;font-weight:700;transition:opacity .15s,transform 50ms;display:inline-flex}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--color-ink);color:var(--color-white);border:none;padding:16px 24px}.btn-secondary{background:var(--color-white);color:var(--color-ink);border:1px solid var(--color-border);padding:10px 20px}.btn-destructive{background:var(--color-destructive);color:var(--color-white);border:none;padding:10px 20px}.btn-block{width:100%}.btn-sm{padding:8px 16px;font-size:13px}.list-row{background:var(--color-white);border-bottom:1px solid var(--color-row-separator);align-items:center;gap:14px;padding:20px 24px;display:flex}.list-row:last-child{border-bottom:none}.list-row-avatar{background:var(--color-purple);width:48px;min-width:48px;height:48px;color:var(--color-white);border-radius:50%;justify-content:center;align-items:center;font-size:18px;font-weight:700;display:flex}.list-row-body{flex:1;min-width:0}.list-row-title{color:var(--color-ink);white-space:nowrap;text-overflow:ellipsis;font-size:18px;font-weight:700;overflow:hidden}.list-row-subtitle{color:var(--color-text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:400;overflow:hidden}.list-row-end{flex-shrink:0;align-items:center;gap:8px;display:flex}.avatar-stack{align-items:center;display:flex}.avatar-stack-item{color:var(--color-white);box-shadow:0 0 0 2px var(--color-white);border-radius:50%;justify-content:center;align-items:center;font-weight:700;display:flex}.avatar-stack-item+.avatar-stack-item{margin-left:-8px}.avatar-stack-overflow{background:var(--color-badge-bg);color:var(--color-badge-text)}.badge{background:var(--color-badge-bg);color:var(--color-badge-text);text-transform:uppercase;letter-spacing:.02em;border-radius:var(--radius-badge);align-items:center;padding:4px 10px;font-size:12px;font-weight:700;display:inline-flex}.badge-positive{color:#166534;background:#dcfce7}.badge-negative{color:#991b1b;background:#fee2e2}.card{background:var(--color-white);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:24px}.card+.card{margin-top:16px}.card-list{background:var(--color-white);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:0;overflow:hidden}.field{flex-direction:column;margin-bottom:16px;display:flex}.field-label{color:var(--color-label);margin-bottom:8px;font-size:14px;font-weight:700}.input,select.input,textarea.input{border:1px solid var(--color-border);border-radius:var(--radius-input);color:var(--color-ink);background:var(--color-white);outline:none;width:100%;padding:14px 16px;font-size:16px}.input::placeholder{color:var(--color-placeholder)}.input:focus{border-color:var(--color-purple)}.input-error{border-color:var(--color-destructive)}.field-error{color:var(--color-destructive);margin-top:6px;font-size:13px}.section-title{text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-secondary);margin:24px 0 10px 4px;font-size:13px;font-weight:700}.section-title:first-child{margin-top:0}.empty-state{text-align:center;color:var(--color-text-secondary);padding:48px 24px;font-size:15px}.top-bar{z-index:10;background:#f7f7f9;justify-content:space-between;align-items:center;padding:20px 16px 8px;display:flex;position:sticky;top:0}.top-bar-title{color:var(--color-ink);font-size:24px;font-weight:800}.bottom-nav{background:var(--color-white);border-top:1px solid var(--color-row-separator);padding:8px 8px calc(8px + env(safe-area-inset-bottom));display:flex;position:sticky;bottom:0}.bottom-nav-item{color:var(--color-text-secondary);flex-direction:column;flex:1;align-items:center;gap:4px;padding:6px 0;font-size:11px;font-weight:700;text-decoration:none;display:flex}.bottom-nav-item.active{color:var(--color-ink)}.bottom-nav-icon{justify-content:center;align-items:center;line-height:1;display:flex}.bottom-nav-fab{border-radius:var(--radius-pill);background:var(--color-ink);width:52px;min-width:52px;height:52px;color:var(--color-white);box-shadow:var(--shadow-card);margin-top:-20px}.side-nav{border-right:1px solid var(--color-row-separator);flex-direction:column;align-self:flex-start;gap:4px;width:220px;min-width:220px;height:100dvh;padding:24px 12px;display:none;position:sticky;top:0}.side-nav-item{border-radius:var(--radius-pill);color:var(--color-text-secondary);align-items:center;gap:12px;padding:12px 16px;font-size:15px;font-weight:700;text-decoration:none;display:flex}.side-nav-item.active{color:var(--color-white);background:var(--color-ink)}.side-nav-icon{align-items:center;line-height:1;display:flex}.modal-backdrop{z-index:50;background:#14161a80;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.modal-sheet{background:var(--color-white);width:100%;max-width:480px;max-height:90dvh;box-shadow:var(--shadow-card);border-radius:24px 24px 0 0;padding:24px;overflow-y:auto}.modal-title{margin:0 0 20px;font-size:20px;font-weight:800}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--color-border);background:var(--color-white);border-radius:var(--radius-pill);color:var(--color-ink);cursor:pointer;padding:8px 16px;font-size:14px;font-weight:700}.chip.selected{background:var(--color-ink);color:var(--color-white);border-color:var(--color-ink)}.balance-amount{font-size:15px;font-weight:700}.balance-amount.positive{color:#16a34a}.balance-amount.negative{color:var(--color-destructive)}.balance-amount.neutral{color:var(--color-text-secondary)}.error-banner{color:#991b1b;border-radius:var(--radius-input);background:#fee2e2;margin-bottom:16px;padding:12px 16px;font-size:14px}.notice-banner{color:#166534;border-radius:var(--radius-input);background:#dcfce7;margin-bottom:16px;padding:12px 16px;font-size:14px}.center-column{flex-direction:column;justify-content:center;align-items:center;min-height:100dvh;padding:24px;display:flex}.link-button{color:var(--color-purple);cursor:pointer;background:0 0;border:none;padding:4px;font-size:14px;font-weight:700}.spinner{border:2px solid #fff6;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.stats-grid{grid-template-columns:1fr;gap:16px;display:grid}.stat-row{gap:32px;display:flex}.stat-tile-label{text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-secondary);margin-bottom:6px;font-size:13px;font-weight:700}.stat-tile-value{color:var(--color-ink);font-size:22px;font-weight:800}.stat-tile-value.positive{color:#16a34a}.stat-tile-value.negative{color:var(--color-destructive)}.chart-card-title{color:var(--color-ink);margin-bottom:12px;font-size:14px;font-weight:700}.chart-tooltip{background:var(--color-white);border-radius:var(--radius-input);box-shadow:var(--shadow-card);padding:10px 12px;font-size:13px}.chart-tooltip-label{color:var(--color-ink);margin-bottom:4px;font-weight:700}.chart-tooltip-row{justify-content:space-between;gap:16px;display:flex}.chart-tooltip-row+.chart-tooltip-row{margin-top:2px}@media (width>=900px){.app-shell{flex-direction:row;max-width:none}.bottom-nav{display:none}.side-nav{display:flex}.screen{max-width:1100px;margin:0 auto;padding-bottom:32px}.stats-grid{grid-template-columns:repeat(2,1fr)}}