*{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f5f5f0;--surface:#fff;--text:#1a1a1a;--text-secondary:#666;--border:#ddd;--primary:#2d6a4f;--primary-light:#40916c;--danger:#d32f2f;--danger-light:#ffebee;--success:#2e7d32;--success-light:#e8f5e9;--radius:8px;--shadow:0 1px 3px #0000001a;--header-bg:#1b4332;--header-text:#fff;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100dvh;font-size:16px;line-height:1.4}#app{padding-bottom:80px}input,select,textarea,button{font-family:inherit;font-size:inherit}.header{background:var(--header-bg);color:var(--header-text);z-index:100;align-items:center;gap:12px;padding:12px 16px;display:flex;position:sticky;top:0;box-shadow:0 2px 4px #0003}.header h1{flex:1;font-size:18px;font-weight:600}.header button{color:var(--header-text);cursor:pointer;background:0 0;border:none;padding:4px;font-size:24px;line-height:1}.menu-overlay{z-index:200;background:#0006;display:none;position:fixed;inset:0}.menu-overlay.open{display:block}.menu{background:var(--surface);z-index:300;width:280px;height:100dvh;padding:16px;transition:left .25s;position:fixed;top:0;left:-280px;box-shadow:2px 0 8px #0003}.menu.open{left:0}.menu .menu-header{color:var(--primary);margin-bottom:24px;font-size:20px;font-weight:700}.menu-item{cursor:pointer;border-radius:var(--radius);color:var(--text);align-items:center;gap:12px;padding:14px 12px;font-size:16px;text-decoration:none;transition:background .15s;display:flex}.menu-item:hover{background:var(--bg)}.menu-item .icon{font-size:20px}.menu .user-info{color:var(--text-secondary);border-top:1px solid var(--border);margin-top:16px;padding:16px 12px 12px;font-size:14px}.btn{border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;gap:6px;padding:10px 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.modal-actions{gap:8px;margin-top:16px;display:flex}.modal .modal-actions .btn{flex:1}.context-menu{background:var(--surface);border-radius:var(--radius);z-index:200;min-width:160px;padding:4px 0;position:fixed;box-shadow:0 4px 16px #0003}.context-menu button{text-align:left;cursor:pointer;background:0 0;border:none;width:100%;padding:10px 16px;font-size:14px;display:block}.context-menu button:hover{background:var(--bg)}.context-menu button.danger{color:var(--danger)}.share-info{background:var(--success-light);border-radius:var(--radius);align-items:center;gap:8px;margin:0 16px 8px;padding:8px 16px;font-size:14px;display:flex}.share-info .code{letter-spacing:2px;font-weight:700}.empty-state{text-align:center;color:var(--text-secondary);padding:48px 24px}.empty-state .icon{margin-bottom:12px;font-size:48px}.account-nav{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);justify-content:space-between;align-items:center;gap:8px;margin:0 16px 8px;padding:8px 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toast-in{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}@keyframes toast-out{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-12px)}}.context-menu{flex-direction:column;gap:4px;padding:8px;display:flex}.context-menu .btn{text-align:left;border-radius:var(--radius);background:var(--bg);border:none;justify-content:flex-start;width:100%;padding:12px 16px;font-size:15px}.context-menu .btn:hover{background:var(--border)}.context-menu .btn-danger{color:var(--danger)}.pagination-nav{justify-content:space-between;align-items:center;gap:8px;margin:8px 16px;padding:8px 16px;display:flex}.pagination-nav .page-info{color:var(--text-secondary);white-space:nowrap;font-size:13px;font-weight:500}.pagination-nav button{border:1.5px solid var(--primary);border-radius:var(--radius);color:var(--primary);cursor:pointer;background:0 0;align-items:center;gap:4px;padding:6px 12px;font-size:13px;font-weight:500;transition:background .15s,opacity .15s;display:inline-flex}.pagination-nav button:hover:not([disabled]){background:var(--primary);color:#fff}.pagination-nav button:active:not([disabled]){opacity:.8}.pagination-nav button[disabled]{opacity:.3;cursor:default;border-color:var(--border);color:var(--text-secondary)}.debt-items{margin-top:4px}.debt-item{justify-content:space-between;align-items:center;padding:2px 0;font-size:14px;display:flex}.debt-item .item-desc{flex:1;margin-right:8px}.debt-item .item-amount{white-space:nowrap;margin-right:30px;font-weight:500}.debt-note{color:var(--text-secondary);white-space:pre-wrap;margin-top:4px;font-size:13px;font-style:italic}.debt-item.sub-payment{opacity:.85;border-top:1px dashed var(--border);margin-top:4px;padding-top:4px;font-size:13px}@media (width>=768px){#app{max-width:600px;margin:0 auto}.toast-container{width:360px;left:auto;right:24px}}