:root{--color-primary: #4caf50;--color-primary-dark: #388e3c;--color-primary-light: #c8e6c9;--color-accent: #ff9800;--color-danger: #f44336;--color-text-primary: #212121;--color-text-secondary: #757575;--color-text-hint: #bdbdbd;--color-bg: #f5f5f5;--color-bg-card: #ffffff;--color-divider: #eeeeee;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 2px 8px rgba(0, 0, 0, .12);--tabbar-height: 56px}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.5;color:var(--color-text-primary);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;touch-action:manipulation;-webkit-overflow-scrolling:touch}#root{height:100%}button{font-family:inherit;border:none;background:none;cursor:pointer;touch-action:manipulation}img{display:block;max-width:100%}input{font-family:inherit}.app-shell{display:flex;flex-direction:column;height:100vh;height:100dvh}.app-content{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(var(--tabbar-height) + env(safe-area-inset-bottom))}.app-content.no-tabbar{padding-bottom:0}.page{min-height:100%;padding:16px}.page-loading{display:flex;align-items:center;justify-content:center;min-height:60vh;color:var(--color-text-secondary)}.tabbar{position:fixed;left:0;right:0;bottom:0;height:calc(var(--tabbar-height) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:flex;background:var(--color-bg-card);border-top:1px solid var(--color-divider);z-index:100;user-select:none;-webkit-user-select:none}.tabbar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:44px;color:#999}.tabbar-item.active{color:var(--color-primary)}.tabbar-icon{font-size:22px;line-height:1}.tabbar-label{font-size:11px}.toast-host{position:fixed;top:40%;left:0;right:0;display:flex;flex-direction:column;align-items:center;gap:8px;z-index:200;pointer-events:none}.toast{max-width:80%;padding:10px 16px;background:#000000c7;color:#fff;border-radius:var(--radius-md);font-size:14px;display:flex;align-items:center;gap:6px;animation:toast-in .18s ease}.toast-icon{font-size:16px}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;padding:32px;z-index:300}.modal-box{width:100%;max-width:320px;background:var(--color-bg-card);border-radius:var(--radius-lg);padding:20px;animation:modal-in .2s ease}@keyframes modal-in{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.modal-title{font-size:17px;font-weight:600;margin-bottom:8px;text-align:center}.modal-content{font-size:14px;color:var(--color-text-secondary);text-align:center;margin-bottom:16px;word-break:break-word}.modal-input{width:100%;padding:10px 12px;border:1px solid var(--color-divider);border-radius:var(--radius-md);font-size:15px;margin-bottom:16px;outline:none}.modal-input:focus{border-color:var(--color-primary)}.modal-actions{display:flex;gap:12px}.modal-btn{flex:1;padding:10px;border-radius:var(--radius-md);font-size:15px;min-height:44px}.modal-btn.cancel{background:var(--color-bg);color:var(--color-text-secondary)}.modal-btn.ok{background:var(--color-primary);color:#fff}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.text-ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.a2hs-banner{position:fixed;left:12px;right:12px;bottom:calc(var(--tabbar-height) + env(safe-area-inset-bottom) + 12px);background:var(--color-bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-md);padding:14px 16px;display:flex;align-items:center;gap:12px;z-index:150;animation:toast-in .2s ease}.a2hs-banner .a2hs-content{flex:1;min-width:0}.a2hs-banner .a2hs-content .a2hs-title{display:block;font-size:15px;font-weight:600}.a2hs-banner .a2hs-content .a2hs-desc{display:block;font-size:12px;color:var(--color-text-secondary);margin-top:4px;line-height:1.4}.a2hs-banner .a2hs-close{flex-shrink:0;background:var(--color-primary);color:#fff;border-radius:var(--radius-sm);padding:8px 12px;font-size:13px;white-space:nowrap}.pwa-update-banner{position:fixed;left:12px;right:12px;bottom:calc(var(--tabbar-height) + env(safe-area-inset-bottom) + 12px);background:#212121;color:#fff;border-radius:var(--radius-md);padding:12px 16px;display:flex;align-items:center;gap:8px;font-size:14px;z-index:160;animation:toast-in .2s ease}.pwa-update-banner span{flex:1}.pwa-update-banner .pwa-update-btn{background:var(--color-primary);color:#fff;border-radius:var(--radius-sm);padding:6px 12px;font-size:13px;flex-shrink:0}.pwa-update-banner .pwa-update-dismiss{color:#bbb;font-size:13px;flex-shrink:0}.import-file-input{display:none}