:root{--bg: #f2f5f3;--card: #ffffff;--card2: #eaefec;--text: #17211b;--muted: #6a756e;--border: #dde4df;--accent: #178a50;--accent-soft: #e2f2e9;--green: #178a50;--red: #c9463a;--shadow: 0 1px 3px rgba(0, 0, 0, .07);--nav-bg: rgba(255, 255, 255, .92)}@media (prefers-color-scheme: dark){:root{--bg: #0f1512;--card: #18201b;--card2: #1f2922;--text: #e7ece9;--muted: #8d9891;--border: #2a352e;--accent: #2fb56f;--accent-soft: #1c3327;--green: #3dc37d;--red: #e0685d;--shadow: 0 1px 3px rgba(0, 0, 0, .4);--nav-bg: rgba(20, 27, 23, .92)}}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.45;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}#root{min-height:100%}.app{max-width:540px;margin:0 auto;padding:12px 14px calc(84px + env(safe-area-inset-bottom));min-height:100vh}h1{font-size:1.35rem;font-weight:700}h2{font-size:1.05rem;font-weight:600}.screen-header{display:flex;align-items:center;justify-content:space-between;padding:6px 2px 14px}.muted{color:var(--muted)}.small{font-size:.85rem}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:14px 16px;margin-bottom:12px}.total-card{background:linear-gradient(135deg,var(--accent),#0d5c36);color:#fff;border:none}.total-card .muted{color:#ffffffbf}.total-amount{font-size:1.9rem;font-weight:700;letter-spacing:-.5px;font-variant-numeric:tabular-nums}.row{display:flex;align-items:center;gap:12px}.row .grow{flex:1;min-width:0}.list-item{display:flex;align-items:center;gap:12px;padding:11px 2px;border-bottom:1px solid var(--border);width:100%;background:none;border-left:none;border-right:none;border-top:none;color:inherit;font:inherit;text-align:left;cursor:pointer}.list-item:last-child{border-bottom:none}.item-icon{width:40px;height:40px;border-radius:12px;background:var(--card2);display:flex;align-items:center;justify-content:center;font-size:1.15rem;flex-shrink:0}.item-title{font-weight:550;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.amount{font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap}.amount.pos{color:var(--green)}.amount.neg{color:var(--text)}.amount.red{color:var(--red)}.date-group{margin:16px 2px 6px;font-size:.82rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}button{font:inherit;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:12px;padding:12px 18px;font-weight:600;background:var(--accent);color:#fff;width:100%}.btn:disabled{opacity:.5}.btn.secondary{background:var(--card2);color:var(--text)}.btn.danger{background:transparent;color:var(--red)}.btn.compact{width:auto;padding:8px 14px;font-size:.9rem}.field{margin-bottom:12px}.field label{display:block;font-size:.82rem;font-weight:600;color:var(--muted);margin-bottom:5px}input,select,textarea{width:100%;font:inherit;color:var(--text);background:var(--card2);border:1px solid var(--border);border-radius:12px;padding:11px 12px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent)}.amount-input{font-size:1.7rem;font-weight:700;text-align:center;font-variant-numeric:tabular-nums}.segmented{display:flex;background:var(--card2);border-radius:12px;padding:3px;margin-bottom:14px}.segmented button{flex:1;border:none;background:none;color:var(--muted);padding:9px 4px;border-radius:10px;font-weight:600;font-size:.92rem}.segmented button.active{background:var(--card);color:var(--text);box-shadow:var(--shadow)}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:999px;padding:7px 13px;font-size:.9rem}.chip.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.nav{position:fixed;bottom:0;left:0;right:0;background:var(--nav-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);z-index:40}.nav-inner{max-width:540px;margin:0 auto;display:flex;align-items:center}.nav-inner button{flex:1;background:none;border:none;color:var(--muted);font-size:.68rem;font-weight:600;padding:8px 0 9px;display:flex;flex-direction:column;align-items:center;gap:2px}.nav-inner button .ico{font-size:1.35rem;line-height:1.2}.nav-inner button.active{color:var(--accent)}.nav-inner .fab{flex:0 0 72px}.fab-btn{width:54px;height:54px;border-radius:50%;background:var(--accent);color:#fff;font-size:1.7rem;line-height:1;border:none;margin-top:-22px;box-shadow:0 4px 14px #178a5073;display:flex;align-items:center;justify-content:center}.sheet-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:50;display:flex;align-items:flex-end;justify-content:center}.sheet{background:var(--bg);width:100%;max-width:540px;max-height:92vh;overflow-y:auto;border-radius:20px 20px 0 0;padding:10px 16px calc(20px + env(safe-area-inset-bottom));animation:sheet-in .22s ease-out}@keyframes sheet-in{0%{transform:translateY(40px);opacity:.6}to{transform:translateY(0);opacity:1}}.sheet-handle{width:40px;height:4px;border-radius:2px;background:var(--border);margin:4px auto 12px}.sheet-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.close-x{background:var(--card2);border:none;color:var(--muted);width:32px;height:32px;border-radius:50%;font-size:1rem}.month-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.month-nav button{background:var(--card);border:1px solid var(--border);border-radius:10px;width:38px;height:38px;color:var(--text);font-size:1rem}.summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}.summary-cell{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:12px 14px}.summary-cell .val{font-size:1.15rem;font-weight:700;font-variant-numeric:tabular-nums}.bar-row{padding:9px 2px}.bar-track{height:7px;border-radius:4px;background:var(--card2);margin-top:6px;overflow:hidden}.bar-fill{height:100%;border-radius:4px;background:var(--accent)}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:600;background:var(--card2);color:var(--muted)}.badge.ok{background:var(--accent-soft);color:var(--accent)}.badge.err{background:#c9463a1f;color:var(--red)}.invite-code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1.3rem;letter-spacing:2px;text-align:center;background:var(--card2);border-radius:12px;padding:12px;margin:10px 0;-webkit-user-select:all;user-select:all}.empty{text-align:center;color:var(--muted);padding:40px 20px}.empty .big{font-size:2.2rem;margin-bottom:8px}