@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@400;500;600;700&display=swap');
:root{font-family:'IBM Plex Sans Thai',system-ui,sans-serif;color:#183b3d;background:#f5f6f2;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,.upload{cursor:pointer}button{border:1px solid #d8e1da;background:white;color:#234b49;border-radius:8px;min-height:44px;padding:8px 14px}button:hover{background:#eaf3ed}button:disabled{opacity:.4;cursor:default}.primary{background:#d7f977;color:#173c31;border:0;border-radius:8px;padding:12px 22px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;min-height:46px}.upload input{position:absolute;width:1px;height:1px;opacity:0}.upload:focus-within{outline:3px solid #45a99a}header{height:88px;background:#102c30;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 32px}.brand{color:inherit;text-decoration:none;display:flex;align-items:center;gap:12px;font-size:18px;letter-spacing:2px}.brand b{color:#d7f977}.brand small{display:block;font-size:10px;letter-spacing:1px;color:#a3b7b5;margin-top:3px}.brandmark{font-size:43px;line-height:1;color:#d7f977}.header-right{display:flex;gap:14px;align-items:center}.header-right button{background:transparent;color:#fff;border-color:#496062}.local{font-size:12px;color:#c0d2c8;margin-right:14px}main{display:grid;grid-template-columns:350px 1fr;height:calc(100dvh - 88px);min-height:600px}aside{overflow:auto;padding:28px 24px 12px;background:#f7f8f4;border-right:1px solid #d4ddd5}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;color:#699087}h1{font-size:29px;line-height:1.4;margin:9px 0}h1 span{color:#77a948}.intro{font-size:13px;color:#7a8d88;line-height:1.7;margin:6px 0 20px}.file-card{display:flex;gap:12px;align-items:center;padding:13px;background:#eaf0e8;border:1px solid #dce4d7;border-radius:9px;margin-bottom:23px}.file-icon{font-size:26px;color:#6c8773}.file-card div{min-width:0}.file-card 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#dce3d9;border-radius:5px;background:#fff;color:#284c42}.muted{font-size:10px;color:#8b998f;display:block;line-height:1.7}.coordinate-card{background:#fff;border:1px solid #d8e3d7;border-radius:12px;padding:17px;box-shadow:0 4px 16px #15392c04}.coordinate-card .section-label{justify-content:space-between}.live-dot{background:#77af86;width:6px;height:6px;border-radius:50%}.coord{padding:10px 0;border-bottom:1px solid #edf1eb}.coord>span{display:block;font-size:12px;color:#668672}.coord small{font-size:8px;letter-spacing:1px;margin-left:6px;color:#a1aea0}output{font:500 25px ui-monospace,monospace;display:block;margin-top:5px;color:#234c3f;letter-spacing:-1px}.coordinate-card>small{font-size:9px;color:#9aa69b;display:block;margin:10px 0}.actions{display:flex;gap:8px}.actions button{font-size:11px;flex:1;min-height:38px}#distance{margin-top:14px;color:#2d6453;font:14px ui-monospace,monospace;white-space:pre-line;line-height:1.8}details{border-top:1px solid #dfe6dc;padding:14px 0;font-size:12px}summary{cursor:pointer;min-height:28px}summary span{float:right;background:#e9eee5;padding:2px 8px;border-radius:10px;font-size:10px}#layers{max-height:170px;overflow:auto}#layers label{display:flex;align-items:center;gap:8px;margin:6px 0}#saved{max-height:160px;overflow:auto;font:11px monospace;line-height:2}#csv{font-size:11px;width:100%;margin:8px 0}.aside-footer{border-top:1px solid #e0e7dc;padding-top:15px;font-size:8px;letter-spacing:1px;color:#829784}.aside-footer span{float:right;color:#adb8a9}.drawing{position:relative;overflow:hidden;background:#102c30;min-width:0}.canvas-header{position:absolute;top:0;left:0;right:0;z-index:1;height:49px;background:#17363b;display:flex;justify-content:space-between;align-items:center;padding:0 22px;color:#90b0ae;font-size:10px;letter-spacing:1px}.canvas-header i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#c8ef7b;margin-right:7px}#viewstate{font-size:10px;letter-spacing:0}canvas{width:100%;height:100%;display:block;touch-action:none}#welcome{position:absolute;inset:49px 0 40px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;color:#fff;pointer-events:none}#welcome>*{pointer-events:auto}.blueprint-icon{font-size:67px;color:#bbdb9e;line-height:1.3;margin-bottom:14px}#welcome .eyebrow{color:#8aa7a0;font-size:9px}h2{font-size:38px;line-height:1.45;font-weight:500;margin:15px 0}#welcome p{color:#a6bdb8;font-size:13px;line-height:1.9;margin:0 0 24px}.text-button{background:transparent;border:0;color:#b7ceb9;font-size:12px;margin:10px 0}#welcome>small{font-size:10px;color:#678a86;margin-top:20px}.canvas-tools{position:absolute;right:20px;top:70px;display:grid;gap:5px}.canvas-tools button{width:44px;padding:0;background:#24464b;color:#c6ded7;border:1px solid #3b5a5c;font-size:22px}.compass{position:absolute;bottom:68px;right:28px;color:#a4bcad;display:flex;flex-direction:column;align-items:center;pointer-events:none}.compass b,.compass small{font-size:9px}.compass span{font-size:30px;color:#d3ebac}.canvas-bottom{position:absolute;bottom:0;left:0;right:0;height:35px;background:#17363b;display:flex;justify-content:space-between;align-items:center;padding:0 20px;font-size:10px;color:#8faea5}#notice{position:absolute;top:60px;left:15px;right:80px;font-size:11px;background:#50472d;color:#ffe0a1;border:1px solid #877343;border-radius:6px;padding:9px;max-height:100px;overflow:auto}#loading{position:absolute;inset:0;background:#102c30ed;z-index:4;color:#fff;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:18px}#loading span{font-size:12px;color:#b0bfb5}.spinner{width:30px;height:30px;border-radius:50%;border:3px solid #335553;border-top-color:#dcf885;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}[hidden]{display:none!important}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:15;background:#def2c5;color:#254d34;padding:12px 22px;border-radius:9px;box-shadow:0 8px 28px #0003;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s;max-width:90%;text-align:center}dialog{border:0;border-radius:16px;max-width:550px;width:90%;color:#234c43;padding:30px;max-height:85dvh}dialog::backdrop{background:#092426b8}dialog h2{font-size:25px}dialog p,dialog li{font-size:13px;line-height:1.8}dialog li{margin:8px 0}dialog small{font-size:10px}.close{float:right}a{color:#458d79}@media(max-width:800px){header{height:69px;padding:0 15px}.brand{font-size:13px;gap:8px;letter-spacing:1px}.brandmark{font-size:31px}.brand small{font-size:8px;letter-spacing:0}.header-right{gap:6px}.header-right .primary{padding:10px 14px;font-size:12px}.header-right button{padding:8px;font-size:11px}.local{display:none}main{display:flex;flex-direction:column;height:auto;min-height:calc(100dvh - 69px)}.drawing{order:-1;height:48dvh;min-height:320px}aside{padding:18px;overflow:visible;display:grid;grid-template-columns:1fr 1fr;gap:12px}aside>.eyebrow,aside>h1,aside>.intro,.aside-footer{display:none}.file-card{grid-column:1/-1;margin:0}.coordinate-card{margin:0;padding:12px}aside>section{margin-bottom:0}.section-label{font-size:10px;gap:5px}.section-label b{font-size:10px}.mode-buttons{gap:4px}.mode-buttons button{padding:7px 4px;font-size:10px}.toggle{font-size:11px;margin:12px 0;gap:4px}.toggle small{font-size:9px}.units{display:block}.units select{margin-left:8px;max-width:100px;font-size:11px}output{font-size:18px}.coord{padding:8px 0}.coord small{font-size:7px}.actions{gap:4px}.actions button{font-size:10px;padding:4px}details{grid-column:1/-1}h2{font-size:29px}#welcome{inset:45px 0 25px}.blueprint-icon{font-size:40px;margin-bottom:4px}#welcome p{font-size:11px;margin-bottom:14px}#welcome>small{margin-top:4px;font-size:8px}#welcome h2{margin:8px 0}.canvas-tools{right:12px;top:60px}.canvas-header{padding:0 15px;font-size:9px;height:40px}.canvas-bottom{padding:0 10px;font-size:9px}#notice{top:48px;left:10px;font-size:10px}#distance{font-size:11px}.coordinate-card>small{font-size:8px}}
.mode-buttons{flex-wrap:wrap}.mode-buttons button{flex:1;white-space:nowrap;padding:8px 6px}.snap-settings{padding:6px 0 12px;border-top:0}.snap-settings summary{font-size:11px;color:#517b68;min-height:24px}#snapTypes{display:grid;grid-template-columns:1fr 1fr;gap:3px 6px}#snapTypes label{font-size:10px;display:flex;align-items:center;gap:5px;min-height:30px;cursor:pointer}#snapTypes input{width:16px;height:16px;margin:0}.snap-settings .muted{font-size:9px}#linepanel{border:1px solid #c8d6aa;background:#f0f6e6;border-radius:10px;padding:14px}#lineinstruction{font-size:12px;line-height:1.7;margin:8px 0}#linecount{font-size:10px}#exportLines{width:100%;margin:10px 0;font-size:12px;background:#d7ef9c}#snapBadge{position:absolute;left:16px;bottom:48px;color:#d7f977;background:#143e3aee;border:1px solid #7d9b57;border-radius:7px;padding:8px 12px;font:11px system-ui;pointer-events:none;max-width:calc(100% - 85px)}#commitbar{position:absolute;bottom:48px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:10px;padding:8px 10px;background:#0c262ce8;border:1px solid #567765;border-radius:10px;color:#d4e8ba;max-width:calc(100% - 28px);z-index:2;white-space:nowrap;font-size:11px}#commitbar button{background:#d7f977;color:#193d35;font-weight:600;border:0;font-size:12px}.canvas-tools button.active{background:#d7f977;color:#173c31}#unitnote{margin-bottom:5px;color:#a06b28}#snapBadge.with-commit{bottom:112px}.drawing canvas{cursor:crosshair}@media(max-width:800px){.snap-settings{grid-column:1/-1}#snapTypes{grid-template-columns:1fr}#snapTypes label{font-size:10px;min-height:27px}.mode-buttons button{font-size:10px;flex-basis:45%;min-height:38px}.mode-buttons button:last-child{flex-basis:100%}#linepanel{grid-column:1/-1}#commitbar{font-size:10px;gap:6px}#commitbar button{font-size:11px;min-height:40px;padding:6px 10px}#snapBadge{font-size:10px;padding:6px 8px}.canvas-tools{gap:4px}.canvas-tools button{width:39px;min-height:39px}aside .snap-settings:not([open]){padding-bottom:0}}
.mobile-sheet-head{display:none}.mobile-dock{display:none}.offset-tools{background:#e7f1e9;border:1px solid #cddfcf;border-radius:10px;padding:11px;margin:10px 0}.offset-tools .section-label{margin-bottom:6px}.offset-entry{display:flex;align-items:center;gap:8px}.offset-entry label{font-size:12px}.offset-entry input{min-width:0;width:100%;height:42px;border:1px solid #c4d5c9;border-radius:8px;padding:8px 10px;color:#183b3d}.offset-entry select{height:42px;border:1px solid #c4d5c9;border-radius:8px;background:#fff;color:#234b49;padding:0 8px}.offset-button{width:100%;margin-top:8px;background:#d7f977;border:0;font-weight:600}
@media(max-width:800px){
 html,body{width:100%;height:100%;height:100dvh;overflow:hidden}body{display:flex;flex-direction:column;overscroll-behavior:none}header{height:56px;min-height:56px;flex:0 0 56px;padding:0 12px;z-index:5}header .brand{font-size:12px}.brandmark{font-size:28px}.brand small{font-size:8px}.header-right{gap:5px}.header-right #help{min-height:38px}.header-right .primary{min-height:40px;padding:8px 12px}main{display:block;position:relative;flex:1;min-height:0;height:auto;overflow:hidden}.drawing{position:absolute;inset:0;width:100%;height:auto;min-height:0;order:unset}aside{display:none}body.mobile-tools-open aside{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:20;max-height:74dvh;padding:0 16px calc(12px + env(safe-area-inset-bottom));overflow-y:auto;overscroll-behavior:contain;grid-template-columns:1fr;gap:8px;background:#f7f8f4;border:1px solid #d4ddd5;border-bottom:0;border-radius:20px 20px 0 0;box-shadow:0 -12px 40px #061c1c66}body.mobile-tools-open aside>.eyebrow,body.mobile-tools-open aside>h1,body.mobile-tools-open aside>.intro,body.mobile-tools-open aside>.aside-footer{display:none}.mobile-sheet-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:center;min-height:46px;background:#f7f8f4;border-bottom:1px solid #e3e9e1}.mobile-sheet-head strong{font-size:14px}.mobile-sheet-head button{position:absolute;right:0;top:5px;min-height:36px;width:42px;padding:0;font-size:20px;border:0;background:transparent}.sheet-grip{position:absolute;top:7px;width:38px;height:4px;border-radius:4px;background:#b9c8bf}.file-card{grid-column:auto;margin:0;padding:10px}.file-card strong{font-size:12px}.file-card small{font-size:10px}body.mobile-tools-open aside>section{margin:0;padding:0}body.mobile-tools-open aside .coordinate-card{display:none}body.mobile-tools-open aside .section-label{font-size:12px;margin-bottom:8px}body.mobile-tools-open aside .section-label b{font-size:13px}body.mobile-tools-open aside .mode-buttons{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}body.mobile-tools-open aside .mode-buttons button{min-height:44px;padding:6px 3px;font-size:11px;white-space:normal}body.mobile-tools-open aside .toggle{margin:10px 0;font-size:12px}body.mobile-tools-open aside .toggle small{font-size:10px}body.mobile-tools-open aside .snap-settings{grid-column:auto;padding:6px 0}body.mobile-tools-open aside #snapTypes{grid-template-columns:1fr 1fr}body.mobile-tools-open aside #snapTypes label{font-size:11px;min-height:36px}body.mobile-tools-open aside .units{display:flex;margin:8px 0}body.mobile-tools-open aside .units select{margin:0;max-width:none;min-height:38px}body.mobile-tools-open aside #linepanel{padding:11px;grid-column:auto}body.mobile-tools-open aside #layerspanel,body.mobile-tools-open aside details:not(.snap-settings){grid-column:auto}body.mobile-tools-open .mobile-dock{display:none}.canvas-header{top:7px;left:8px;right:auto;width:auto;height:34px;padding:0 10px;border-radius:10px;background:#102c30e8;font-size:9px}.canvas-tools{right:10px;top:52px;gap:7px}.canvas-tools button{width:44px;min-height:44px;font-size:21px;background:#102c30d9;border-radius:13px}.compass{bottom:142px;right:16px}.canvas-bottom{left:10px;right:auto;bottom:148px;width:auto;height:28px;padding:0 9px;border-radius:8px;background:#102c30d9;font-size:9px;gap:10px}.canvas-bottom span:last-child{display:none}#notice{top:48px;left:9px;right:65px;max-height:42px;padding:7px 9px;font-size:10px;line-height:1.4;overflow:hidden;z-index:2}#notice.expanded{max-height:30dvh;overflow:auto}#welcome{inset:50px 10px 160px}#welcome h2{font-size:28px;margin:8px 0}#welcome p{font-size:12px;margin-bottom:14px}.blueprint-icon{font-size:42px;margin:0}.mobile-dock{position:absolute;left:9px;right:9px;bottom:max(8px,env(safe-area-inset-bottom));z-index:4;display:flex;flex-direction:column;gap:8px;padding:10px;background:#f7f8f4f5;border:1px solid #dbe5db;border-radius:17px;box-shadow:0 8px 28px #071b1a42}.mobile-coordinates{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;align-items:center;padding:2px 3px 5px}.mobile-coordinates>div{min-width:0}.mobile-coordinates small{display:block;color:#6d8b7c;font-size:9px;letter-spacing:.7px}.mobile-coordinates output{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:clamp(16px,4.6vw,22px);letter-spacing:-.7px;margin-top:1px}.mobile-coordinates button{width:40px;min-height:40px;padding:0;background:#eaf1e8;border:0;font-size:18px}.mobile-actions{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:5px}.mobile-actions button{min-width:0;min-height:41px;padding:5px 2px;border-radius:10px;font-size:10px;white-space:nowrap;background:#fff}.mobile-actions button.active{background:#1e5049;color:#fff;border-color:#1e5049}.mobile-actions #mobileAim{display:none}#snapBadge{left:10px;bottom:145px;max-width:calc(100% - 78px);font-size:10px;padding:6px 8px}#snapBadge.with-commit{bottom:202px}#commitbar{bottom:145px;left:9px;right:9px;transform:none;justify-content:space-between;max-width:none;font-size:11px}#commitbar button{font-size:12px;min-height:40px}.drawing canvas{cursor:grab}.drawing canvas:active{cursor:grabbing}#toast{bottom:158px;font-size:12px;padding:10px 15px}#linepanel{margin:8px 0}#lineinstruction{font-size:12px}.offset-tools{padding:10px;margin:8px 0}.offset-entry input,.offset-entry select{height:44px}
}