:root{--primary: #1a73e8;--secondary: #34a853;--accent: #fbbc04;--danger: #ea4335;--bg-dark: #0a0e27;--bg-medium: #1a1f3a;--bg-light: #2d3561;--bg-card: #1e2548;--text-primary: #ffffff;--text-secondary: #b0b8d1;--text-muted: #7a85a8;--border: #3d4a6e;--highlight: #60a5fa;--spring-color: #34a853;--summer-color: #fbbc04;--autumn-color: #ea4335;--winter-color: #60a5fa;--sidebar-width: 320px;--header-height: 60px;--border-radius: 8px;--border-radius-sm: 4px;--shadow: 0 4px 20px rgba(0, 0, 0, .3);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--transition: all .3s ease;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, 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summary{font-size:12px;color:var(--text-muted);cursor:pointer;margin-bottom:8px}.error-boundary-stack{font-size:11px;color:var(--danger);background:var(--bg-card);padding:12px;border-radius:var(--border-radius-sm);overflow-x:auto;white-space:pre-wrap;word-break:break-all;max-height:200px;overflow-y:auto}.error-boundary-reload{padding:10px 28px;border:none;border-radius:var(--border-radius);background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition)}.error-boundary-reload:hover{background:#1557b0}.welcome-tip{position:fixed;bottom:80px;left:50%;transform:translate(-50%);z-index:150;pointer-events:auto;animation:welcomeFadeIn .4s ease}@keyframes welcomeFadeIn{0%{opacity:0;transform:translate(-50%) translateY(12px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.welcome-tip-content{display:flex;align-items:center;gap:16px;padding:10px 20px;background:#0a0e27eb;border:1px solid var(--border);border-radius:12px;backdrop-filter:blur(8px);box-shadow:0 4px 20px #0006}.welcome-tip-label{font-size:12px;font-weight:700;color:var(--primary);white-space:nowrap}.welcome-tip-items{display:flex;gap:16px}.welcome-tip-item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary);white-space:nowrap}.welcome-tip-icon{font-size:14px}.welcome-tip-dismiss{padding:5px 14px;border:1px solid var(--border);border-radius:6px;background:var(--bg-light);color:var(--text-primary);font-size:12px;cursor:pointer;transition:var(--transition);white-space:nowrap}.welcome-tip-dismiss:hover{background:var(--primary);border-color:var(--primary)}@media(max-width:768px){.welcome-tip{bottom:140px;left:12px;right:12px;transform:none}.welcome-tip-content{flex-wrap:wrap;gap:10px;justify-content:center}.welcome-tip-items{flex-wrap:wrap;justify-content:center;gap:10px}}@media(max-width:1024px){.header-subtitle{display:none}.search-input-wrapper{width:180px}.header-layer-dropdown{max-height:60vh;overflow-y:auto;min-width:260px}.month-selector{width:300px;max-width:calc(40vw - 24px)}}@media(max-width:768px){.header-title{font-size:16px}.header{padding:0 12px;height:52px}.header-right{gap:6px;flex:1 1 auto;min-width:0}.search-bar{flex:1 1 auto;min-width:0}.search-input-wrapper{width:auto;flex:1 1 120px;min-width:90px;max-width:220px}.search-input{font-size:12px}.sidebar{inset:auto 0 0;width:100%;max-height:55vh;overflow-y:auto;-webkit-overflow-scrolling:touch;border-right:none;border-top:1px solid var(--border);border-radius:12px 12px 0 0;animation:slideInBottom .3s ease;z-index:25}@keyframes slideInBottom{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.header-layer-dropdown{max-height:50vh;min-width:220px;right:-40px}.month-selector{width:calc(100vw - 24px);max-width:none;right:12px;bottom:12px;padding:10px 14px}.help-button{top:auto;bottom:80px;transform:none}.demo-overlay{top:60px;left:12px;right:12px;transform:none}.demo-overlay-content{flex-wrap:wrap;gap:8px}.demo-overlay-desc{white-space:normal;max-width:200px}}@media(max-width:640px){:root{--header-height: 54px}.header{align-items:center;gap:8px}.header-left{flex:0 0 auto;min-width:0}.header-title{max-width:112px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;letter-spacing:0}.header-right{justify-content:flex-end}.btn-icon{width:36px;height:36px;font-size:16px}.search-input-wrapper{max-width:none;height:36px}.search-dropdown{position:fixed;top:calc(var(--header-height) + 6px);left:12px;right:12px;max-height:46vh}.header-layer-dropdown{position:fixed;top:calc(var(--header-height) + 6px);left:12px;right:12px;min-width:0;max-height:64vh}.control-chip-row{display:grid;grid-template-columns:1fr 1fr}.layer-control-list{grid-template-columns:1fr 1fr}.sidebar{max-height:min(58vh,430px)}.sidebar-header{padding:12px 16px}.sidebar-content{padding:14px 16px 18px}.info-panel-content{gap:12px}.info-title{font-size:18px}.info-prop-row{align-items:flex-start}.info-prop-value{max-width:70%;overflow-wrap:anywhere}.month-selector{bottom:10px;padding:10px 12px}.month-selector:has(+.sidebar),.sidebar~.month-selector{bottom:10px}.month-mark{width:24px}.help-button{right:10px;bottom:74px;width:36px;height:36px}.welcome-tip{bottom:88px}}