:root{--teal:#2a9d8f;--teal-light:#e8f5f3;--teal-dark:#1f7a6f;--orange:#e76f51;--slate:#264653;--sand:#e9c46a;--bg:#f8f9fa;--card:#fff;--text:#1a1a1a;--text-sub:#6b7280;--border:#e5e7eb;--radius:12px;--radius-sm:8px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overscroll-behavior:none;font-family:BIZ UDPGothic,Hiragino Kaku Gothic ProN,sans-serif}.material-symbols-rounded{font-variation-settings:"FILL" 1, "wght" 400, "GRAD" 0, "opsz" 24;vertical-align:middle;font-size:24px;line-height:1}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,select{font-family:inherit;font-size:16px}.app{flex-direction:column;max-width:480px;min-height:100dvh;margin:0 auto;padding-bottom:72px;display:flex}.header{background:var(--teal);color:#fff;z-index:10;justify-content:space-between;align-items:center;padding:16px 20px;display:flex;position:sticky;top:0}.header h1{letter-spacing:.02em;font-size:18px;font-weight:700}.tab-bar{background:var(--card);border-top:1px solid var(--border);z-index:10;width:100%;max-width:480px;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.tab-bar button{padding:8px 0 max(8px, env(safe-area-inset-bottom));color:var(--text-sub);flex-direction:column;flex:1;align-items:center;gap:2px;font-size:10px;transition:color .15s;display:flex}.tab-bar button.active{color:var(--teal)}.tab-bar .tab-icon{font-size:22px;line-height:1}.card{background:var(--card);border-radius:var(--radius);margin:12px 16px;padding:16px;box-shadow:0 1px 3px #0000000f}.page{flex:1}.section-title{color:var(--text-sub);letter-spacing:.05em;padding:16px 20px 8px;font-size:13px;font-weight:700}.btn-primary{background:var(--teal);color:#fff;border-radius:var(--radius-sm);justify-content:center;align-items:center;gap:6px;width:100%;padding:10px 20px;font-size:14px;font-weight:600;transition:background .15s;display:inline-flex}.btn-primary:active{background:var(--teal-dark)}.btn-danger{color:var(--orange);padding:6px 12px;font-size:13px}.btn-outline{border:1.5px solid var(--teal);color:var(--teal);border-radius:var(--radius-sm);align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;display:inline-flex}.form-group{margin-bottom:14px}.form-group label{color:var(--text-sub);margin-bottom:4px;font-size:12px;font-weight:600;display:block}.form-group input,.form-group select{border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);outline:none;width:100%;padding:10px 12px;transition:border-color .15s}.form-group input:focus,.form-group select:focus{border-color:var(--teal)}.chip-list{flex-wrap:wrap;gap:6px;display:flex}.chip{border:1.5px solid var(--border);background:var(--bg);cursor:pointer;border-radius:20px;align-items:center;gap:4px;padding:6px 12px;font-size:13px;transition:all .15s;display:inline-flex}.chip.selected{background:var(--teal-light);border-color:var(--teal);color:var(--teal-dark)}.expense-item{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:12px 0;display:flex}.expense-item:last-child{border-bottom:none}.expense-icon{background:var(--teal-light);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;display:flex}.expense-info{flex:1;min-width:0}.expense-title{font-size:14px;font-weight:600}.expense-meta{color:var(--text-sub);margin-top:2px;font-size:12px}.expense-amount{color:var(--slate);white-space:nowrap;font-size:16px;font-weight:700}.settlement-item{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:14px 0;display:flex}.settlement-item:last-child{border-bottom:none}.settlement-arrow{color:var(--teal);font-size:20px}.settlement-amount{color:var(--orange);margin-left:auto;font-size:18px;font-weight:700}.summary-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px;padding:0 16px;display:grid}.summary-card{background:var(--card);border-radius:var(--radius);text-align:center;padding:14px;box-shadow:0 1px 3px #0000000f}.summary-value{color:var(--teal);font-size:22px;font-weight:700}.summary-label{color:var(--text-sub);margin-top:2px;font-size:11px}.modal-overlay{z-index:100;background:#0006;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.modal-content{background:var(--card);padding:24px 20px max(24px, env(safe-area-inset-bottom));border-radius:20px 20px 0 0;width:100%;max-width:480px;max-height:85dvh;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-header h2{font-size:18px;font-weight:700}.modal-close{color:var(--text-sub);padding:4px;font-size:24px}.empty-state{text-align:center;color:var(--text-sub);padding:40px 20px}.empty-state .empty-icon{opacity:.5;margin-bottom:12px;font-size:48px}.empty-state p{font-size:14px;line-height:1.6}.template-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.template-card{background:var(--teal-light);border-radius:var(--radius-sm);cursor:pointer;text-align:left;padding:12px;transition:background .15s}.template-card:active{background:#d0ece8}.template-card .t-title{font-size:13px;font-weight:600}.template-card .t-amount{color:var(--teal-dark);margin-top:2px;font-size:15px;font-weight:700}.template-card .t-meta{color:var(--text-sub);margin-top:2px;font-size:11px}.recurring-badge{background:var(--sand);color:var(--slate);border-radius:10px;align-items:center;gap:3px;padding:2px 8px;font-size:10px;font-weight:600;display:inline-flex}.month-header{color:var(--slate);padding:12px 20px 4px;font-size:14px;font-weight:700}.inline-add{gap:8px;margin-bottom:12px;padding:0 16px;display:flex}.inline-add input{border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--card);outline:none;flex:1;padding:10px 12px}.inline-add input:focus{border-color:var(--teal)}.group-header{align-items:center;gap:8px;padding:12px 16px 4px;display:flex}.group-header h2{font-size:16px;font-weight:700}.btn-icon{width:36px;height:36px;color:var(--text-sub);border-radius:50%;justify-content:center;align-items:center;transition:background .15s;display:flex}.btn-icon:active{background:var(--border)}.header-btn{color:#fffc}.header-btn:active{background:#ffffff26}.login-page{background:var(--bg);justify-content:center;align-items:center;min-height:100dvh;padding:20px;display:flex}.login-card{text-align:center;width:100%;max-width:320px}.login-icon{color:var(--teal);margin-bottom:12px}.login-card h1{color:var(--teal);margin-bottom:8px;font-size:28px;font-weight:700}.login-card p{color:var(--text-sub);margin-bottom:32px;font-size:14px}.btn-google{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);align-items:center;gap:10px;padding:12px 24px;font-size:14px;font-weight:600;transition:box-shadow .15s;display:inline-flex;box-shadow:0 1px 3px #00000014}.btn-google:active{box-shadow:0 0 #0000}.loading-screen{color:var(--teal);flex:1;justify-content:center;align-items:center;display:flex}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:1s linear infinite spin}