*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-light: #3b82f6;--primary-dark: #1d4ed8;--income: #10b981;--income-bg: #d1fae5;--expense: #ef4444;--expense-bg: #fee2e2;--balance: #2563eb;--balance-bg: #dbeafe;--bg: #f8fafc;--surface: #ffffff;--text: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);--max-width: 480px;--safe-bottom: env(safe-area-inset-bottom, 0px)}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans KR,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100dvh;-webkit-font-smoothing:antialiased}#app{max-width:var(--max-width);margin:0 auto;padding-bottom:calc(80px + var(--safe-bottom));position:relative}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--primary);color:#fff;position:sticky;top:0;z-index:100}.header h1{font-size:1.25rem;font-weight:700}.icon-btn{background:none;border:none;color:#fff;cursor:pointer;padding:6px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .15s}.icon-btn:hover{background:#ffffff26}.month-nav{display:flex;align-items:center;justify-content:center;gap:20px;padding:14px 20px;background:var(--surface);border-bottom:1px solid var(--border)}.month-label{font-size:1.1rem;font-weight:600;min-width:120px;text-align:center}.nav-btn{background:none;border:1px solid var(--border);border-radius:50%;width:36px;height:36px;cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;color:var(--text);transition:all .15s}.nav-btn:hover{background:var(--bg);border-color:var(--primary);color:var(--primary)}.summary-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:16px 20px}.card{padding:14px 12px;border-radius:var(--radius);text-align:center}.card-income{background:var(--income-bg)}.card-expense{background:var(--expense-bg)}.card-balance{background:var(--balance-bg)}.card-label{font-size:.75rem;font-weight:500;color:var(--text-secondary);margin-bottom:4px}.card-amount{font-size:1rem;font-weight:700}.card-income .card-amount{color:var(--income)}.card-expense .card-amount{color:var(--expense)}.card-balance .card-amount{color:var(--balance)}.tab-nav{display:flex;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:56px;z-index:90}.tab-btn{flex:1;padding:12px;background:none;border:none;border-bottom:2px solid transparent;font-size:.9rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .2s}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.tab-content{display:none;padding:16px 20px}.tab-content.active{display:block}.filter-bar{display:flex;gap:10px;margin-bottom:14px}.select-input{flex:1;padding:8px 28px 8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);font-size:.85rem;color:var(--text);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2394a3b8'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}.transaction-list{display:flex;flex-direction:column;gap:8px}.tx-item{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);cursor:pointer;transition:transform .1s,box-shadow .1s}.tx-item:active{transform:scale(.98)}.tx-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}.tx-icon.income{background:var(--income-bg)}.tx-icon.expense{background:var(--expense-bg)}.tx-info{flex:1;min-width:0}.tx-category{font-weight:600;font-size:.9rem}.tx-desc{font-size:.78rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tx-right{text-align:right;flex-shrink:0}.tx-amount{font-weight:700;font-size:.95rem}.tx-amount.income{color:var(--income)}.tx-amount.expense{color:var(--expense)}.tx-date{font-size:.72rem;color:var(--text-secondary)}.empty-state{text-align:center;padding:48px 20px;color:var(--text-secondary);font-size:.9rem}.empty-state .empty-icon{font-size:3rem;margin-bottom:12px;display:block}.chart-container{background:var(--surface);border-radius:var(--radius);padding:20px 16px;box-shadow:var(--shadow);margin-bottom:16px}.chart-container canvas{width:100%!important;max-height:280px}.budget-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.budget-header h3{font-size:1rem;font-weight:600}.budget-list{display:flex;flex-direction:column;gap:10px}.budget-item{background:var(--surface);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.budget-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.budget-cat{font-weight:600;font-size:.9rem}.budget-amounts{font-size:.8rem;color:var(--text-secondary)}.budget-bar{height:8px;background:var(--bg);border-radius:4px;overflow:hidden}.budget-fill{height:100%;border-radius:4px;transition:width .3s}.budget-fill.ok{background:var(--income)}.budget-fill.warn{background:#f59e0b}.budget-fill.over{background:var(--expense)}.budget-actions{display:flex;gap:8px;margin-top:8px;justify-content:flex-end}.fab{position:fixed;bottom:calc(24px + var(--safe-bottom));left:50%;transform:translate(-50%);width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;box-shadow:0 4px 12px #2563eb66;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .15s,box-shadow .15s;z-index:80}.fab:hover{transform:translate(-50%) scale(1.08);box-shadow:0 6px 16px #2563eb80}.fab:active{transform:translate(-50%) scale(.95)}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;align-items:flex-end;justify-content:center}.modal.hidden{display:none}.modal-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#0006;animation:fadeIn .2s}.modal-content{position:relative;background:var(--surface);border-radius:20px 20px 0 0;width:100%;max-width:var(--max-width);max-height:85dvh;overflow-y:auto;padding:24px 20px calc(20px + var(--safe-bottom));animation:slideUp .25s ease-out}.modal-lg{max-height:90dvh}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-header h2{font-size:1.15rem;font-weight:700}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-secondary);padding:4px 8px;line-height:1}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.85rem;font-weight:600;color:var(--text-secondary)}.form-group input,.form-group select{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;color:var(--text);background:var(--surface);transition:border-color .15s}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}.type-toggle{display:flex;gap:8px}.toggle-btn{flex:1;padding:10px;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .15s;color:var(--text-secondary)}.toggle-btn.active[data-type=expense]{border-color:var(--expense);color:var(--expense);background:var(--expense-bg)}.toggle-btn.active[data-type=income]{border-color:var(--income);color:var(--income);background:var(--income-bg)}.btn{padding:10px 20px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);font-size:.85rem;font-weight:600;cursor:pointer;transition:all .15s;color:var(--text)}.btn:hover{background:var(--bg)}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{color:var(--expense);border-color:var(--expense)}.btn-danger:hover{background:var(--expense-bg)}.btn-sm{padding:6px 14px;font-size:.8rem}.settings-body{display:flex;flex-direction:column;gap:24px}.settings-section h3{font-size:.95rem;font-weight:600;margin-bottom:12px}.category-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.category-chip{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:20px;background:var(--bg);border:1px solid var(--border);font-size:.82rem;font-weight:500}.category-chip .remove-cat{background:none;border:none;cursor:pointer;color:var(--text-secondary);font-size:1rem;line-height:1;padding:0 2px}.category-chip .remove-cat:hover{color:var(--expense)}.category-add{display:flex;gap:8px;align-items:center}.category-add input{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.85rem;flex:1}.sync-code-box{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border);font-size:.9rem}.data-actions{display:flex;flex-wrap:wrap;gap:10px}.hidden{display:none!important}@media(min-width:480px){.modal-content{border-radius:20px;margin:auto}.card-amount{font-size:1.15rem}}@media(prefers-color-scheme:dark){:root{--bg: #0f172a;--surface: #1e293b;--text: #f1f5f9;--text-secondary: #94a3b8;--border: #334155;--income-bg: #064e3b;--expense-bg: #7f1d1d;--balance-bg: #1e3a5f;--shadow: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 6px rgba(0,0,0,.3)}.select-input{background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2394a3b8'/%3E%3C/svg%3E")}}