:root{--ink:#262923;--muted:#7a7d75;--paper:#f6f4ef;--border:#e6e5de;--red:#ae493e;--blue:#386f89;--green:#5b7056}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}button,input,a{-webkit-tap-highlight-color:transparent}button,a,input{touch-action:manipulation}button{font:inherit;color:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #83adc2;outline-offset:3px}button{border:0;background:transparent}a{color:inherit;text-decoration:none}.header{height:85px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 5vw}.brand{display:flex;align-items:center;gap:13px;font:600 22px/1.1 Georgia,"Songti SC",serif;letter-spacing:3px}.brand-mark{border:1px solid var(--red);color:var(--red);border-radius:4px;width:39px;height:39px;display:grid;place-items:center;letter-spacing:0;font-size:25px}.brand-sub{display:block;font:11px/1.5 -apple-system,sans-serif;letter-spacing:2px;color:var(--muted);margin-top:6px}.text-button{color:var(--muted);font-size:12px;min-height:40px;padding:5px 7px}.text-button:hover{color:var(--red)}main{max-width:1440px;margin:auto;padding:35px 5vw 26px}.heading{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:28px;gap:15px}.eyebrow{font:10px/1.5 -apple-system,sans-serif;letter-spacing:2.5px;color:var(--red);margin-bottom:8px}h1{font:500 34px/1.4 "Songti SC",STSong,Georgia,serif;letter-spacing:2px;margin:0 0 7px}.heading p{margin:0;color:var(--muted);font-size:13px}.local-note{white-space:nowrap;color:var(--muted);font-size:11px;margin-bottom:4px}.local-note i{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--green);margin-right:6px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 315px;gap:24px;align-items:start}.drawing-card{background:white;border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 6px 28px #2f322c04}.drawing-header,.drawing-footer{display:flex;align-items:center;justify-content:space-between;padding:5px 18px;min-height:50px;gap:8px}.drawing-header{border-bottom:1px solid var(--border)}.drawing-header>span{display:flex;gap:9px;align-items:center;min-width:0}.drawing-header strong{font-size:12px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:240px}.status-dot{background:var(--green);width:5px;height:5px;border-radius:50%;flex-shrink:0}.drawing-footer{border-top:1px solid var(--border);color:var(--muted);font-size:11px}.stage{position:relative;height:min(72vh,800px);min-height:460px;background:#f0f0eb;isolation:isolate;overflow:hidden}#drawing{display:block;width:100%;height:100%;touch-action:none;user-select:none;-webkit-user-select:none}#overlay{user-select:none}.view-controls{position:absolute;bottom:15px;left:50%;transform:translateX(-50%);display:flex;align-items:center;background:#fffffff2;box-shadow:0 2px 16px #2221;border:1px solid #e2e3dc;border-radius:9px;height:43px;z-index:2;white-space:nowrap}.view-controls button{min-width:42px;height:42px;padding:0 10px;font-size:15px}.view-controls button:last-child{font-size:12px}.view-controls span{font-size:11px;color:var(--muted);min-width:44px;text-align:center}.view-controls .sep{height:16px;min-width:1px;background:var(--border);margin:0 4px}.demo-label{position:absolute;top:12px;left:50%;transform:translateX(-50%);background:#f6f4efec;border:1px solid var(--border);padding:4px 10px;border-radius:20px;color:var(--muted);font-size:10px;white-space:nowrap;pointer-events:none}.settings{border-radius:14px;background:#fff;border:1px solid var(--border);overflow:hidden}.control-section{padding:20px 21px;border-bottom:1px solid var(--border)}.section-title{display:flex;align-items:center;gap:10px;margin-bottom:15px;height:23px}.step{font:italic 13px Georgia,serif;color:var(--red)}h2{font-size:14px;font-weight:600;margin:0}.push{margin-left:auto}.upload-button{display:flex;text-align:left;align-items:center;gap:10px;width:100%;border:1px dashed #c8cec1;background:#fafbf8;border-radius:8px;padding:13px 12px;font-size:12px;min-height:64px}.upload-button>span:last-child{margin-left:auto;color:var(--muted)}.upload-icon{font-size:22px;color:var(--green)}small{display:block;font-size:10px;color:var(--muted);margin-top:2px}.tiny-row{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted);gap:5px;margin-top:5px}.tiny-row .text-button{font-size:11px;padding-right:0}.description{color:var(--muted);font-size:11px;line-height:1.8;margin:0 0 8px}.switch-row{display:flex;align-items:center;justify-content:space-between;min-height:40px;font-size:12px;gap:8px}.switch-row label{cursor:pointer;flex:1}.switch-row input{appearance:none;-webkit-appearance:none;width:33px;height:20px;border-radius:20px;background:#dcded7;position:relative;cursor:pointer;flex-shrink:0;margin:0}.switch-row input:before{content:"";position:absolute;top:3px;left:3px;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0002;transition:transform .15s}.switch-row input:checked{background:var(--green)}.switch-row input:checked:before{transform:translateX(13px)}.angle-label{font-size:11px;color:var(--muted);display:block;margin-bottom:8px}.angle-control{border:1px solid var(--border);border-radius:9px;display:flex;align-items:center;justify-content:space-between;height:63px}.angle-control>button{width:40px;height:60px;color:var(--muted);font-size:18px}.angle-control>div{display:flex;align-items:baseline;justify-content:center;min-width:0}.angle-control input{border:0;background:transparent;color:var(--ink);font:400 32px/1.3 Georgia,serif;width:105px;text-align:right;outline:none;border-radius:0;-moz-appearance:textfield}.angle-control input::-webkit-inner-spin-button,.angle-control input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.angle-control span{font:26px Georgia,serif;margin-left:4px;margin-right:18px}.angle-presets{display:flex;gap:5px;margin:10px 0 12px}.angle-presets button{background:#f5f5f0;border-radius:5px;padding:7px 0;flex:1;font-size:10px;min-height:36px}.angle-presets button:hover{background:#e9ece3}.export-section{padding:20px 21px}.primary-button{background:var(--red);color:#fff;padding:13px 17px;width:100%;border-radius:8px;font-size:13px;font-weight:500;min-height:48px;display:flex;align-items:center;justify-content:center;gap:15px}.primary-button:hover{background:#943d34}.export-section p{font-size:10px;text-align:center;color:var(--muted);margin:10px 0 0}.bottom-note{display:flex;justify-content:space-between;gap:15px;color:#97998f;font-size:10px;margin-top:18px}#pan[aria-pressed="true"]{color:var(--blue);font-weight:600}#toast{position:fixed;z-index:100;bottom:max(25px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%) translateY(20px);max-width:88vw;padding:11px 20px;border-radius:9px;background:#282d27f0;color:white;font-size:12px;opacity:0;pointer-events:none;transition:.2s;text-align:center}#toast.visible{opacity:1;transform:translateX(-50%)}dialog{border:1px solid var(--border);border-radius:16px;padding:22px;width:min(92vw,510px);max-height:90dvh;background:#fff;color:var(--ink);box-shadow:0 20px 80px #0002}dialog::backdrop{background:#24282070;backdrop-filter:blur(3px)}.dialog-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.dialog-top h2{font-size:18px;font-family:"Songti SC",serif}.close{font-size:26px;width:40px;height:40px;line-height:1}.help-note{border-left:2px solid var(--red);background:var(--paper);padding:12px;margin:16px 0;font-size:12px;color:var(--muted)}ol{padding-left:22px;font-size:13px}li{margin:12px 0}#export-preview{display:block;width:100%;max-height:56dvh;object-fit:contain;background:var(--paper);border-radius:5px;margin-bottom:12px}.export-actions{display:flex;gap:10px;align-items:center}.export-actions .primary-button{width:auto;flex:1}.secondary-button{border:1px solid var(--border);padding:13px;border-radius:8px;font-size:12px;white-space:nowrap}
@media(min-width:1550px){main{padding-left:35px;padding-right:35px}}
@media(max-width:800px){.header{height:67px;padding:0 20px}.brand{font-size:20px}.brand-mark{width:33px;height:33px;font-size:22px}.brand-sub{font-size:9px;margin-top:4px}.heading{margin-bottom:20px}.heading h1{font-size:28px}.heading p{font-size:12px}.eyebrow{font-size:9px}.local-note{display:none}main{padding:23px 16px 28px}.workspace{grid-template-columns:1fr;gap:16px}.stage{height:58svh;min-height:365px;max-height:600px}.drawing-header,.drawing-footer{padding-left:12px;padding-right:12px}.drawing-header strong{max-width:210px}.settings{display:grid;grid-template-columns:1fr 1fr}.control-section{padding:19px 18px}.control-section:first-child{grid-column:1 / -1}.control-section:nth-child(2){border-right:1px solid var(--border)}.export-section{grid-column:1 / -1;padding:17px 18px}.tiny-row{margin-bottom:-7px}.bottom-note{flex-direction:column;gap:3px}.description{font-size:11px}.angle-presets{gap:3px}.angle-presets button{font-size:9px}.angle-control input{width:76px;font-size:29px}.angle-control>button{width:30px}.angle-control span{margin-right:7px}.drawing-footer .text-button{min-height:38px}.export-section p{font-size:11px}}
@media(max-width:500px){.settings{display:block}.control-section:nth-child(2){border-right:0}.control-section{padding:19px 20px}.angle-control input{font-size:35px;width:125px}.angle-control>button{width:55px}.angle-presets button{font-size:12px}.description{font-size:12px}.switch-row{font-size:13px;min-height:44px}.angle-label{font-size:12px}.upload-button{font-size:13px}.stage{height:56svh}.heading{margin-bottom:17px}.section-title{margin-bottom:13px}}

.water-inputs{display:grid;grid-template-columns:1.5fr 1fr;gap:12px}.water-inputs label{font-size:12px;color:var(--muted)}.water-inputs input,.water-inputs select{display:block;width:100%;height:46px;border:1px solid var(--border);border-radius:7px;background:white;color:var(--ink);font-size:18px;padding:6px 12px;margin-top:6px}.water-inputs input[aria-invalid="true"]{border-color:var(--red)}.water-result{white-space:pre-line;color:#425e7a;background:#f4f7f9;border:1px solid #dfe7ee;border-radius:7px;padding:12px 15px;margin:13px 0 10px;font-size:15px;font-weight:500;line-height:1.7}.water-controls{grid-column:1/-1}

.drawing-footer{flex-wrap:wrap}.drawing-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.bazhai-toggle{min-height:44px;padding:6px 12px;border:1px solid #dcc8c3;border-radius:7px;background:#fff9f6;color:var(--red);font-size:12px;white-space:nowrap}.bazhai-toggle[aria-pressed="true"]{background:var(--red);border-color:var(--red);color:white}

.life-controls{grid-column:1/-1}.drawing-actions{flex-wrap:wrap;justify-content:flex-end}.life-toggle{color:#386e62;border-color:#bdcfc6;background:#f3f8f5}.life-toggle[aria-pressed="true"]{background:#386e62;border-color:#386e62}
/* LS Living v21 */
:root{--paper:#fffaf4;--ink:#4d2c20;--border:#dec4a7;--red:#a85d43;--metal:linear-gradient(112deg,#653820,#e9b995 17%,#fff7de 22%,#975736 30%,#fff4d8 45%,#a26744 54%,#f6d5ae 72%,#96613f 80%,#fff0ca 94%,#76472b)}
body,button,input,select,.brand,.heading h1,h2,.angle-control input,.angle-control span,svg text{font-family:'Kaiti SC','Kaiti TC','KaiTi','STKaiti','DFKai-SB',serif}
body{font-size:18px}.header{height:auto;min-height:75px}.heading h1{font-size:clamp(30px,3vw,46px)}
main{width:100%;max-width:none}.drawing-card,.settings{border:2px solid transparent;background:linear-gradient(#fffaf4,#fffaf4) padding-box,var(--metal) border-box}
.control-section h2{font-size:22px}.switch-row,.angle-label,.water-inputs label,.text-button,.upload-button,.bazhai-toggle,.primary-button,.secondary-button{font-size:18px}
.water-inputs input,.water-inputs select{font-family:inherit;font-size:24px;min-height:50px}.drawing-actions{margin-left:0}
.description,#demo-label,#gesture-tip,.bottom-note,.local-note{display:none!important}
.star-picker summary{cursor:pointer;min-height:44px;padding:8px 0}.star-picker>div{display:grid;grid-template-columns:1fr 1fr;gap:12px}.star-picker label{display:flex;gap:10px;align-items:center;min-height:44px}.star-picker input{width:22px;height:22px;accent-color:#a85d43}
#house-result{font-size:20px;margin-top:10px;color:#a64136}.stage{min-height:500px}
@media(max-width:500px){.stage{min-height:390px}.angle-presets button{font-size:16px}.drawing-footer{gap:8px}.drawing-actions{justify-content:flex-start}.heading{margin-bottom:16px}}

/* v22: full-width drawing and settings below */
main{padding-left:clamp(10px,1.5vw,28px);padding-right:clamp(10px,1.5vw,28px)}
.workspace{grid-template-columns:minmax(0,1fr);gap:20px}
.drawing-card,.settings{width:100%;min-width:0}
.drawing-footer{padding:12px 18px;justify-content:flex-start}
.drawing-actions{margin-left:0;flex-wrap:wrap;gap:10px}
.drawing-actions button{font-size:18px;min-height:46px}
.save-plan{padding:8px 18px;border:1px solid #bb8e71;border-radius:8px;background:var(--metal);color:#38291f;font-weight:600;white-space:nowrap}
.quick-inputs{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:24px;padding:18px;border-top:1px solid var(--border)}
.quick-inputs section{min-width:0}.quick-inputs label{font-size:20px}.quick-inputs .angle-control{margin-top:8px}.quick-inputs .angle-control input{font-size:28px;max-width:100%}
.quick-inputs .water-inputs{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.quick-inputs input,.quick-inputs select{min-height:48px;font-size:24px;width:100%}
.settings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));position:static}
.settings .control-section{grid-column:auto;border-right:0;padding:20px;border-bottom:1px solid var(--border)}
.stage{height:72svh;min-height:420px;max-height:1000px}
@media(max-width:900px){.settings{grid-template-columns:repeat(2,minmax(0,1fr))}.quick-inputs{grid-template-columns:1fr;gap:14px}.stage{height:65svh;min-height:390px}}
@media(max-width:520px){.settings{grid-template-columns:1fr}.drawing-footer{padding:10px}.drawing-actions{gap:6px}.drawing-actions button{font-size:16px;padding:8px 10px}.quick-inputs{padding:14px}.stage{height:60svh;min-height:360px}}

/* v23: one large, horizontally scrollable toolbar */
.drawing-footer{display:block;overflow:hidden;padding:14px}
.drawing-actions{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:12px;width:100%;padding:3px 2px 8px}
.drawing-actions button{flex:0 0 auto;min-height:58px;font-size:22px;padding:12px 20px;border:1px solid #c6a18c;border-radius:9px;white-space:nowrap;line-height:1.3}
.drawing-actions .tool-button{background:#fff8ee;color:#644537}
.drawing-actions #pan{margin-left:auto;color:#73665c}
.zodiac-controls>button{font-size:20px;min-height:48px;margin-bottom:12px}
@media(max-width:600px){.drawing-actions{gap:8px}.drawing-actions button{font-size:20px;min-height:54px;padding:10px 16px}}

/* v24 toolbar sizing: height +30%, width +10% */
.drawing-actions button{min-height:75.4px;width:calc((var(--button-chars,4)*1em + 42px)*1.1);padding:15.6px 22px}
.drawing-actions #life-toggle{--button-chars:6}.drawing-actions #bazhai-toggle{--button-chars:4}
@media(max-width:600px){.drawing-actions button{min-height:70.2px;width:calc((var(--button-chars,4)*1em + 34px)*1.1);padding:13px 17.6px}}