:root{--mint-50: #effef5;--mint-100: #d8fce6;--mint-500: #10b981;--mint-600: #059669;--bg-color: #f3f4f6;--card-bg: rgba(255, 255, 255, .85);--text-main: #1f2937;--text-sub: #6b7280;--danger: #ef4444;--income: #10b981;--expense: #f59e0b;--shadow-sm: 0 2px 8px rgba(0,0,0,.04);--shadow-md: 0 8px 24px rgba(16, 185, 129, .08);--radius-lg: 20px;--radius-md: 12px}*{box-sizing:border-box;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased}button{border:none;background:none;cursor:pointer;outline:none}input{border:none;outline:none;background:transparent;font-size:16px}.app-container{max-width:480px;margin:0 auto;min-height:100vh;background:linear-gradient(135deg,#f0fdf4,#e5e7eb);display:flex;flex-direction:column;position:relative;overflow-x:hidden}.app-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;background:#fff9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px;color:var(--mint-600)}.text-mint{color:var(--mint-500)}.sync-badge{font-size:12px;color:var(--text-sub);background:#fffc;padding:4px 10px;border-radius:20px;box-shadow:var(--shadow-sm)}.main-content{flex:1;padding:16px 20px 100px;overflow-y:auto}.page-content{display:flex;flex-direction:column;gap:20px}.card{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-md);border:1px solid rgba(255,255,255,.5)}.overview-card{background:linear-gradient(135deg,var(--mint-500) 0%,var(--mint-600) 100%);border-radius:var(--radius-lg);padding:24px;color:#fff;box-shadow:0 12px 24px #10b98140}.balance-section{margin-bottom:20px}.balance-section .label{font-size:14px;opacity:.8;margin-bottom:4px;display:block}.balance-section .amount{font-size:36px;font-weight:700;letter-spacing:-1px}.stats-row{display:flex;gap:24px}.stat-item{display:flex;align-items:center;gap:10px}.stat-icon{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff3}.stat-item .label{font-size:12px;opacity:.8}.stat-item .val{font-size:16px;font-weight:600}.record-form{display:flex;flex-direction:column;gap:16px}.type-toggle{display:flex;background:var(--bg-color);border-radius:var(--radius-md);padding:4px}.type-toggle button{flex:1;padding:8px 0;border-radius:8px;font-weight:600;color:var(--text-sub);transition:all .3s}.type-toggle button.active{background:#fff;box-shadow:var(--shadow-sm);color:var(--text-main)}.type-toggle button.active.expense{color:var(--expense)}.type-toggle button.active.income{color:var(--income)}.amount-input{display:flex;align-items:baseline;gap:8px;padding:12px 0;border-bottom:2px solid var(--mint-100)}.amount-input .currency{font-size:24px;font-weight:600;color:var(--text-main)}.amount-input input{font-size:32px;font-weight:700;width:100%;color:var(--text-main)}.amount-input input::placeholder{color:#d1d5db}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:10px 0}.category-item{display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;opacity:.6;transition:all .2s}.category-item.active{opacity:1;transform:scale(1.05)}.icon-wrapper{width:44px;height:44px;border-radius:50%;background:var(--bg-color);display:flex;align-items:center;justify-content:center;color:var(--text-sub);transition:all .2s}.category-item.active .icon-wrapper{background:var(--mint-100);color:var(--mint-600);box-shadow:0 4px 12px #10b98133}.category-item span{font-size:12px;font-weight:500}.form-row{display:flex;gap:12px}.input-with-icon{display:flex;align-items:center;gap:8px;background:var(--bg-color);padding:10px 12px;border-radius:var(--radius-md);color:var(--text-sub)}.input-with-icon input{width:100%;color:var(--text-main);font-size:14px}.flex-1{flex:1}.save-btn{background:var(--mint-500);color:#fff;padding:14px;border-radius:var(--radius-md);font-size:16px;font-weight:600;display:flex;justify-content:center;align-items:center;gap:8px;margin-top:8px;box-shadow:0 4px 12px #10b9814d}.section-title{font-size:16px;font-weight:600;margin:10px 0;color:var(--text-main)}.record-list{display:flex;flex-direction:column;gap:12px}.record-item{display:flex;align-items:center;padding:16px;gap:12px;position:relative;overflow:hidden}.record-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center}.record-icon.expense{background:#fef3c7;color:var(--expense)}.record-icon.income{background:var(--mint-100);color:var(--mint-600)}.record-info{flex:1}.record-cat{font-weight:600;font-size:15px}.record-note-date{display:flex;gap:8px;font-size:12px;color:var(--text-sub);margin-top:4px}.record-amount{font-weight:700;font-size:16px}.record-amount.expense{color:var(--text-main)}.record-amount.income{color:var(--income)}.delete-btn{position:absolute;right:-40px;top:0;bottom:0;width:40px;background:var(--danger);color:#fff;display:flex;align-items:center;justify-content:center;transition:right .2s}.record-item:hover .delete-btn{right:0}.page-title{font-size:20px;font-weight:700;margin-bottom:10px}.bar-chart{display:flex;flex-direction:column;gap:16px}.bar-item{display:flex;flex-direction:column;gap:6px}.bar-info{display:flex;justify-content:space-between;font-size:14px;font-weight:500}.bar-track{height:8px;background:var(--bg-color);border-radius:4px;overflow:hidden}.bar-fill{height:100%;background:linear-gradient(90deg,var(--mint-400, #34d399),var(--mint-500));border-radius:4px}.settings-list{padding:0;overflow:hidden}.setting-item{padding:16px 20px;border-bottom:1px solid var(--bg-color);cursor:pointer;transition:background .2s}.setting-item:last-child{border-bottom:none}.setting-item:hover{background:var(--mint-50)}.setting-info{display:flex;align-items:center;gap:12px;font-weight:500}.setting-item.danger{color:var(--danger)}.about-section{text-align:center;color:var(--text-sub);font-size:12px;margin-top:20px;line-height:1.6}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;justify-content:space-around;padding:12px 0 24px;border-top:1px solid rgba(0,0,0,.05);z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text-sub);transition:color .2s}.nav-item span{font-size:10px;font-weight:600}.nav-item.active{color:var(--mint-600)}.empty-state{text-align:center;padding:40px 20px;color:var(--text-sub);font-size:14px}.loading-screen{height:100vh;display:flex;align-items:center;justify-content:center;color:var(--mint-600);font-weight:600}