@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--bg:#f5f6f2;--card:#fff;--ink:#263d33;--muted:#7a857d;--line:#e6eae3;--accent:#315f48;--pale:#eef3e9;--lime:#d7ecb5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px 'DM Sans',system-ui,sans-serif}body.dark{--bg:#17251e;--card:#22332a;--ink:#eef3e9;--muted:#a7b5ab;--line:#3b4d40;--pale:#304334;--accent:#9cc7a4;--lime:#60874d}button,a,input,select{-webkit-tap-highlight-color:transparent}button,select{font:inherit;color:inherit}button,a,summary{touch-action:manipulation}button{cursor:pointer;border:0;background:none}button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #91b868;outline-offset:4px}a{color:inherit;text-decoration:none}header{max-width:1140px;margin:auto;height:96px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{font:800 27px Manrope, sans-serif;letter-spacing:-1.4px}.logo{font-size:31px;vertical-align:-2px;margin-right:5px}.brand-dot{color:#8aa65c}nav{display:flex;gap:32px;align-items:center;font-size:13px}nav button{font-size:24px}main{max-width:1060px;margin:auto}.intro{text-align:center;margin:54px 0 36px}.eyebrow,.section-label{font-size:10px;letter-spacing:1.8px;font-weight:700}.eyebrow span{display:inline-block;width:6px;height:6px;background:#89a765;border-radius:50%;margin:0 7px 1px}h1{font:600 48px/1.2 Manrope,sans-serif;letter-spacing:-2px;margin:15px 0 12px}.intro p{color:var(--muted);font-size:15px}.mobile{display:none}.workspace{display:grid;grid-template-columns:1.52fr 1fr;gap:24px}.instrument,.side-card{background:var(--card);border:1px solid var(--line);border-radius:20px}.instrument{padding:22px 26px}.instrument-top{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted)}i{display:inline-block;background:#abb2a8;width:6px;height:6px;border-radius:50%;margin-right:5px}.instrument-top button{font-size:12px}.tabs{display:flex;padding:5px;background:var(--bg);border-radius:10px;margin-top:21px}.tabs button{flex:1;padding:12px 5px;font-size:13px;border-radius:7px;color:var(--muted)}.tabs .active{color:var(--ink);background:var(--card);box-shadow:0 2px 7px #162d1710;font-weight:700}.measurement{padding-top:25px;text-align:center}.dial{width:224px;height:224px;border:1px solid #cad8be;border-radius:50%;position:relative;margin:auto;background:repeating-radial-gradient(circle,transparent 0px,transparent 35px,#98b28220 36px,transparent 37px),var(--pale);box-shadow:inset 0 0 0 9px var(--card),inset 0 0 0 10px var(--line)}.cross{position:absolute;background:#b2c2a65e}.horizontal{width:82%;height:1px;left:9%;top:50%}.vertical{height:82%;width:1px;top:9%;left:50%}.target{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:53px;height:53px;border:1px dashed #6c8b5770;border-radius:50%}.bubble{position:absolute;top:50%;left:50%;width:42px;height:42px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#f3ffdc,#bedb91);border:1px solid #a5c17d;box-shadow:0 5px 12px #54733a20;transform:translate(-50%,-50%);opacity:.4}.bubble:after{content:'+';color:#668a45;line-height:40px;font-size:20px}.axis{position:absolute;font:10px monospace;color:#8b9c7f}.axis.top{top:17px;left:49%}.axis.right{right:17px;top:48%}.dial-bottom{position:absolute;bottom:26px;width:100%;font:7px monospace;letter-spacing:2px;color:#9ba98f}.reading #mainValue{font:500 49px Manrope,sans-serif;letter-spacing:-2px;margin-top:14px;line-height:1.15}.reading small{font-size:27px;vertical-align:top;line-height:1.8}.reading #verdict{display:inline-block;font-size:12px;font-weight:700;margin:9px 0 0;padding:5px 12px;background:var(--pale);border-radius:20px}.reading p{font-size:12px;color:var(--muted);margin:11px 0 20px}.axis-readings{display:flex;text-align:center;border:1px solid var(--line);border-radius:10px;padding:12px}.axis-readings>div{width:50%}.axis-readings>div+div{border-left:1px solid var(--line)}.axis-readings span{display:block;font-size:8px;letter-spacing:1.2px;color:var(--muted)}.axis-readings strong{display:block;font:600 21px Manrope,sans-serif;margin-top:4px}.notice{font-size:11px;text-align:center;color:var(--muted);margin:17px 0 12px;line-height:1.6}.primary{background:#315f48;color:white;width:100%;border-radius:10px;padding:15px;font-weight:600}.controls{display:flex;justify-content:space-between;margin-top:14px}.controls button{padding:10px 2px;font-size:19px}.controls span{font-size:11px;margin-left:4px}.demo-row{display:flex;justify-content:center;gap:5px;font-size:10px;border-top:1px solid var(--line);padding-top:17px;margin-top:9px;color:var(--muted)}.demo-row button{font-size:10px;color:var(--accent);padding:0}#demoPanel{background:var(--pale);padding:10px;margin-top:16px;border-radius:10px;font-size:11px}#demoPanel label{display:flex;align-items:center;gap:12px}#demoPanel input{flex:1;min-width:0;accent-color:#315f48}#demoPanel p{font-size:10px}.side-card{padding:26px;margin-bottom:18px}.section-label{font-size:9px;color:var(--muted);letter-spacing:1.4px}.side-card h2{font:600 24px/1.4 Manrope,sans-serif;letter-spacing:-.6px;margin:14px 0 21px;max-width:240px}.setting{display:flex;justify-content:space-between;align-items:center;margin:18px 0;font-size:12px}.setting select{border:1px solid var(--line);background:var(--bg);padding:8px;border-radius:7px;font-size:11px}.setting input{appearance:none;width:32px;height:19px;border-radius:20px;background:#d8ddd4;position:relative;cursor:pointer}.setting input:after{content:'';position:absolute;top:3px;left:3px;width:13px;height:13px;border-radius:50%;background:white;transition:.2s}.setting input:checked{background:#608450}.setting input:checked:after{left:16px}.hint{font-size:11px;line-height:1.7;color:var(--muted);margin-top:-7px;border-bottom:1px solid var(--line);padding-bottom:17px}.reference{display:flex;gap:12px;border-top:1px solid var(--line);padding-top:19px;margin-top:21px;font-size:10px}.reference strong{font-size:11px;font-weight:500}.reference p{color:var(--muted);line-height:1.7;margin:5px 0 0}.mini-icon{font-size:24px;color:#84a263}.saved .section-label{display:flex;justify-content:space-between}.saved .section-label button{font-size:10px;color:var(--muted)}#history{text-align:center}.empty-icon{font-size:28px;color:#aebba3;margin:20px 0 10px}.saved h3{font-size:13px;font-weight:500}.saved p{font-size:11px;line-height:1.7;color:var(--muted)}.record{padding:13px 0;border-bottom:1px solid var(--line);display:flex;text-align:left;justify-content:space-between;gap:10px}.record small{display:block;color:var(--muted);margin-top:4px}.record strong{font-size:14px}.tip{display:flex;gap:12px;padding:0 8px;color:var(--muted);font-size:11px;line-height:1.8}.tip>span{font-size:23px;color:#91a579}.tip strong{font-weight:500;color:var(--ink)}.trust{display:flex;justify-content:center;gap:45px;font-size:10px;color:var(--muted);padding:27px 0 50px;border-bottom:1px solid var(--line)}.guide{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:64px 0;border-bottom:1px solid var(--line)}h2{font:500 34px/1.25 Manrope,sans-serif;letter-spacing:-1px}.guide>div>p{color:var(--muted);line-height:1.8;font-size:12px}.steps article{display:flex;gap:22px;margin-bottom:22px}.steps b{font:12px monospace;border:1px solid #d9e2cf;width:33px;height:33px;flex-shrink:0;display:grid;place-items:center;border-radius:50%;color:#7e986b}.steps h3{font-size:13px;margin:6px 0 9px}.steps p{font-size:12px;color:var(--muted);line-height:1.8;margin:0}#faq{max-width:700px;margin:58px auto 65px}#faq>.eyebrow,#faq>h2{text-align:center}#faq h2{margin:14px 0 30px}details{border-bottom:1px solid var(--line);font-size:13px}summary{padding:20px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between}summary:after{content:'+';color:var(--muted)}details[open] summary:after{content:'−'}details p{font-size:12px;line-height:1.9;color:var(--muted);margin:0 0 20px}footer{border-top:1px solid var(--line);padding:30px 0;display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--muted)}footer .brand{font-size:21px;color:var(--ink)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#243f30;color:white;padding:13px 20px;border-radius:10px;font-size:12px;display:none;z-index:9;width:max-content;max-width:90vw}body.focus .intro,body.focus header,body.focus aside,body.focus .trust,body.focus .guide,body.focus #faq,body.focus footer{display:none}body.focus .workspace{display:block;max-width:660px;margin:20px auto}body.focus .dial{width:280px;height:280px}@media(max-width:1150px){header{margin:0 30px}main{margin:0 30px}}@media(max-width:700px){header{height:72px;margin:0 20px}.brand{font-size:23px}nav{gap:20px}nav a{font-size:11px}main{margin:0 16px}.intro{margin:30px 0 25px}.eyebrow{font-size:8px;letter-spacing:1.2px}h1{font-size:36px;letter-spacing:-1.5px}.intro p{font-size:12px;max-width:270px;margin:12px auto;line-height:1.6}.workspace{grid-template-columns:1fr;gap:18px}.instrument{padding:18px}.measurement{padding-top:20px}.dial{width:200px;height:200px}.side-card{padding:23px}.side-card h2{max-width:100%;font-size:24px}.trust{gap:15px;flex-wrap:wrap;padding:15px 0 30px;font-size:9px}.guide{grid-template-columns:1fr;gap:25px;padding:38px 8px}.guide h2{font-size:30px}.guide br{display:none}.steps article:last-child{margin-bottom:0}#faq{margin:40px 5px}#faq h2{font-size:28px}footer{gap:20px;flex-wrap:wrap}footer>span{display:none}.controls span{font-size:10px}.mobile{display:block}}
.view-picker{display:flex;width:max-content;max-width:100%;margin:24px auto 0;padding:4px;border:1px solid var(--line);border-radius:30px;background:var(--card);gap:4px}.view-picker button{padding:11px 20px;border-radius:24px;font-size:12px}.view-picker button[aria-pressed=true]{background:var(--ink);color:var(--card)}body.classic{--bg:#fafbf9;--ink:#233126;--accent:#318548;--pale:#edf6e9}body.classic.dark{--bg:#111b14;--ink:#e8f3e8;--pale:#253d29}body.classic .intro{margin:30px 0 20px}body.classic .intro .eyebrow,body.classic .intro p,body.classic .guide,body.classic .trust,body.classic .tip{display:none}body.classic h1{font-size:32px;letter-spacing:-1px}body.classic .workspace{display:block;max-width:760px;margin:auto}body.classic .instrument{border:0;background:none;padding:12px 0}body.classic .instrument-top{max-width:600px;margin:auto}body.classic .tabs{max-width:420px;margin:20px auto 0;background:var(--pale)}body.classic .measurement{display:flex;flex-direction:column;padding-top:38px}body.classic .reading{order:-1}body.classic #mainValue{font-size:78px;font-weight:600}body.classic .reading p{margin-bottom:35px}body.classic .dial:not(.two-axis){width:100%;height:116px;border-radius:60px;border:3px solid #92ac7a;background:linear-gradient(180deg,#c3d9a7 0%,#ebf6d9 30%,#e5f1ce 50%,#c3d9a7 100%);box-shadow:inset 0 5px 12px #315d3130,0 2px 0 #fff;overflow:hidden}body.classic .dial:not(.two-axis) .cross,body.classic .dial:not(.two-axis) .axis,body.classic .dial:not(.two-axis) .dial-bottom{display:none}body.classic .dial:not(.two-axis) .target{width:100px;height:100%;border-radius:0;border:0;border-left:2px solid #486436;border-right:2px solid #486436}body.classic .dial:not(.two-axis) .bubble{width:72px;height:86px;border-radius:50%;border:1px solid #94aa78;background:radial-gradient(ellipse at 35% 24%,#fffef1,#f8fbdc 55%,#d5e5ad);box-shadow:inset 0 -5px 8px #97af6930,0 1px 6px #456c3d20}body.classic .bubble:after{content:''}body.classic .axis-readings{margin:28px auto 0;max-width:440px;background:var(--card)}body.classic .primary{display:block;max-width:320px;margin:auto;background:#318548}body.classic .controls{max-width:430px;margin:13px auto 0}body.classic .demo-row{max-width:440px;margin:10px auto 0}body.classic #demoPanel{max-width:500px;margin:20px auto}body.classic aside{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:35px}body.classic .side-card{padding:20px;border-radius:12px}body.classic .side-card h2{font-size:19px;margin-bottom:10px}body.classic #faq{margin-top:45px}body.focus .view-picker{display:none}@media(max-width:700px){.view-picker button{padding:10px 18px}body.classic h1{font-size:28px}body.classic .intro{margin-top:25px}body.classic .measurement{padding-top:20px}body.classic #mainValue{font-size:66px}body.classic .dial:not(.two-axis){height:100px}body.classic .dial:not(.two-axis) .bubble{height:73px;width:62px}body.classic aside{display:block}body.classic .reading p{margin-bottom:25px}}
body.classic .guide{display:grid;max-width:760px;margin:auto}
.placement-switch{display:flex;gap:4px;justify-content:center;margin:18px auto 0;padding:4px;background:var(--pale);border-radius:24px;width:max-content}.placement-switch button{padding:9px 24px;font-size:12px;border-radius:20px}.placement-switch button[aria-pressed=true]{background:var(--ink);color:var(--card)}.tabs{flex-wrap:wrap;gap:4px;margin-top:12px}.tabs button{flex:1 1 28%;font-size:11px;min-height:42px;padding:10px 6px}body.classic .tabs{max-width:600px}.plumb-cord,.angle-needle{display:none}.dial.mode-horizontal{width:100%;height:106px;border-radius:60px;background:linear-gradient(180deg,#ccddb8,#eff6df,#ccddb8);border-color:#a5bc91;overflow:hidden}.mode-horizontal .cross,.mode-horizontal .axis,.mode-horizontal .dial-bottom,.mode-horizontal .inner{display:none}.mode-horizontal .target{height:100%;width:86px;border:0;border-left:1px solid #83a26a;border-right:1px solid #83a26a;border-radius:0}.mode-horizontal .bubble{width:58px;height:70px}.dial.mode-vertical{width:106px;height:224px;border-radius:60px;background:linear-gradient(90deg,#ccddb8,#eff6df,#ccddb8);border-color:#a5bc91;overflow:hidden}.mode-vertical .cross,.mode-vertical .axis,.mode-vertical .dial-bottom{display:none}.mode-vertical .target{width:100%;height:64px;border:0;border-top:1px solid #83a26a;border-bottom:1px solid #83a26a;border-radius:0}.mode-vertical .bubble{width:70px;height:42px}.mode-plumb .bubble,.mode-plumb .target,.mode-plumb .axis,.mode-inclinometer .bubble,.mode-inclinometer .target,.mode-inclinometer .axis{display:none}.mode-plumb .plumb-cord{display:block;position:absolute;left:50%;top:18%;height:65%;width:2px;background:#55764a;transform-origin:top center}.plumb-cord:before{content:'';position:absolute;top:-4px;left:-4px;width:10px;height:10px;border-radius:50%;background:#55764a}.plumb-cord span{position:absolute;bottom:-2px;left:-10px;width:22px;height:28px;background:#91b065;clip-path:polygon(50% 100%,0 35%,20% 0,80% 0,100% 35%)}.mode-inclinometer .angle-needle{display:block;position:absolute;left:18%;top:50%;width:64%;height:3px;background:#55764a;transform-origin:center}.angle-needle:after{content:'';position:absolute;left:calc(50% - 6px);top:-5px;width:12px;height:12px;border-radius:50%;background:#55764a}body.classic .dial.mode-vertical{width:106px;height:224px}.mode-inclinometer .dial-bottom:after{content:' / ANGLE'}@media(max-width:700px){.placement-switch{margin-top:16px}.tabs button{font-size:10px}.reading p{line-height:1.6;min-height:20px}body.classic .reading p{margin-bottom:20px}body.classic .tabs{margin-top:12px}.mode-plumb{margin-top:8px}}
/* Stronger separation between the bubble and its vial in both layouts. */
.dial .bubble,body.classic .dial:not(.two-axis) .bubble{background:radial-gradient(ellipse at 32% 24%,#eaffbd 0%,#b3d96f 44%,#83b33e 100%);border:2px solid #527c25;box-shadow:inset 0 2px 5px #ffffffb0,inset 0 -4px 8px #4e752330,0 3px 10px #36561838}
.dial .bubble:after{color:#36581b;font-weight:700}
.dark .dial .bubble,.dark.classic .dial:not(.two-axis) .bubble{border-color:#d0ed9c;box-shadow:inset 0 2px 5px #ffffff80,0 0 0 2px #355022,0 3px 12px #0005}
/* Phone: keep the complete measuring tool within the initial viewport. */
@media(max-width:700px){
 header{height:46px;margin:0 14px;border-bottom:0}header .brand{font-size:20px}header .logo{font-size:23px}nav{gap:16px}nav a{display:none}nav button{font-size:22px}
 main{margin:0 10px}.view-picker{margin:0 auto 8px;padding:3px}.view-picker button{padding:7px 18px;font-size:11px}
 .intro,body.classic .intro{display:none}.workspace{gap:14px}.instrument,body.classic .instrument{padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:var(--card)}
 .instrument-top{font-size:10px;min-height:18px}.instrument-top button{font-size:11px}
 .placement-switch{margin:7px auto 0;padding:3px}.placement-switch button{padding:7px 24px;font-size:11px;min-height:30px}
 .tabs,body.classic .tabs{margin:7px 0 0;padding:3px;gap:2px}.tabs button{min-height:33px;padding:7px 3px;font-size:10px;flex:1 1 28%}
 .measurement,body.classic .measurement{padding-top:9px;display:grid;grid-template-columns:minmax(0,1fr) minmax(110px,.85fr);align-items:center;gap:10px;min-height:166px}
 .dial,body.classic .dial{width:150px;height:150px;max-width:100%;margin:auto;grid-column:1;grid-row:1}
 .reading,body.classic .reading{order:0;grid-column:2;grid-row:1;min-width:0}
 .reading #mainValue,body.classic #mainValue{font-size:40px;letter-spacing:-1.5px;margin-top:0}.reading small{font-size:22px}.reading #verdict{font-size:9px;padding:5px 7px;margin-top:5px}
 .reading p,body.classic .reading p{font-size:10px;line-height:1.45;margin:8px 0 0;min-height:0}
 .dial-bottom{font-size:6px;bottom:17px;letter-spacing:1px}.axis.top{top:12px}.axis.right{right:12px}
 .dial.mode-vertical,body.classic .dial.mode-vertical{width:76px;height:150px}.mode-vertical .bubble{width:52px;height:36px}
 .dial.mode-horizontal,body.classic .dial.mode-horizontal:not(.two-axis){width:100%;height:76px}.mode-horizontal .bubble,body.classic .dial.mode-horizontal:not(.two-axis) .bubble{width:42px;height:54px}.mode-horizontal .target,body.classic .dial.mode-horizontal:not(.two-axis) .target{width:58px}
 .axis-readings,body.classic .axis-readings{margin:7px auto 0;padding:7px;width:100%;max-width:none}.axis-readings span{font-size:7px;letter-spacing:.7px}.axis-readings strong{font-size:17px;margin-top:2px}
 .notice{font-size:10px;line-height:1.35;margin:7px 0;min-height:14px}.primary,body.classic .primary{padding:10px;min-height:40px;max-width:none;font-size:12px}
 .controls,body.classic .controls{margin:5px 0 0;max-width:none;gap:4px}.controls button{flex:1;min-height:38px;padding:6px 0;font-size:16px}.controls span{font-size:10px;margin-left:3px}
 .demo-row,body.classic .demo-row{padding-top:7px;margin-top:3px;font-size:9px;max-width:none}.demo-row button{font-size:9px;min-height:24px}.demo-row>span{align-self:center}
 body.classic aside{margin-top:14px}.side-card{margin-bottom:14px}
 body.focus .workspace{margin:0 auto}body.focus .dial{width:150px;height:150px}
}
@media(max-width:700px) and (max-height:700px){
 header{height:38px}.view-picker{margin-bottom:5px}.view-picker button{padding:5px 16px}.instrument,body.classic .instrument{padding:8px 10px}.measurement,body.classic .measurement{min-height:132px;padding-top:6px}.dial,body.classic .dial{width:122px;height:122px}.dial.mode-vertical,body.classic .dial.mode-vertical{height:122px}.reading #mainValue,body.classic #mainValue{font-size:34px}.tabs button{min-height:30px;padding:5px 3px}.placement-switch button{padding:5px 20px}.axis-readings,body.classic .axis-readings{padding:5px}.notice{margin:5px 0}.controls button{min-height:34px}.demo-row,body.classic .demo-row{padding-top:3px}
}
.seo-guide{max-width:760px;margin:40px auto}.seo-guide>section{scroll-margin-top:20px;margin:30px 0}.seo-guide h2{font-size:26px;line-height:1.35;letter-spacing:-.6px}.seo-guide p{font-size:14px;line-height:1.85;color:var(--muted)}.topic-links{display:flex;flex-wrap:wrap;gap:10px;padding:18px 0;border-bottom:1px solid var(--line)}.topic-links a{font-size:12px;color:var(--accent);padding:7px 10px;background:var(--pale);border-radius:6px}body.focus .seo-guide{display:none}@media(max-width:700px){.seo-guide{margin:30px 8px}.seo-guide h2{font-size:22px}.seo-guide p{font-size:13px}.topic-links{gap:6px}.topic-links a{font-size:11px}}
/* Full-width vial, etched angle marks, and a dark bubble against pale liquid. */
.measurement,body.classic .measurement{display:flex;flex-direction:column;gap:0}.reading,body.classic .reading{order:0}.dial{order:0}.reading{width:100%}
.dial .bubble,body.classic .dial:not(.two-axis) .bubble{background:radial-gradient(ellipse at 32% 22%,#acd958 0%,#428b32 40%,#14552e 100%);border:2px solid #103f24;box-shadow:inset 0 3px 6px #eaffac99,inset 0 -5px 10px #062d2b66,0 3px 9px #173d3450;z-index:2}.dial .bubble:after{color:#efffc5}
.dial.mode-horizontal,body.classic .dial.mode-horizontal:not(.two-axis){width:100%;height:134px;background:linear-gradient(180deg,#88a16d 0%,#d1e4ab 12%,#f0f7d3 40%,#e1efb9 70%,#8da96f 100%);border:3px solid #557447;box-shadow:inset 0 5px 8px #28462455,inset 0 -3px 7px #28462444,0 2px 0 #ffffff80}
.mode-horizontal .bubble,body.classic .dial.mode-horizontal:not(.two-axis) .bubble{width:66px;height:82px}.mode-horizontal .target,body.classic .dial.mode-horizontal:not(.two-axis) .target{width:76px;border-left:2px solid #254321;border-right:2px solid #254321;z-index:3;pointer-events:none}
.vial-marks{display:none;pointer-events:none;position:absolute;inset:0;z-index:4;color:#1b3719;font:600 9px ui-monospace,monospace}.mode-horizontal .vial-marks,.mode-vertical .vial-marks{display:block}.mode-horizontal .vial-marks span{position:absolute;left:calc(50% + var(--tick)*var(--tick-unit,5px));top:7px;transform:translateX(-50%);padding-top:15px}.mode-horizontal .vial-marks span:before{content:'';position:absolute;left:50%;top:0;width:1px;height:12px;background:#294724}.mode-vertical .vial-marks span{position:absolute;top:calc(50% - var(--tick)*var(--tick-unit,5px));left:7px;transform:translateY(-50%);padding-left:10px}.mode-vertical .vial-marks span:before{content:'';position:absolute;left:0;top:50%;width:7px;height:1px;background:#294724}.mode-vertical .target{border-color:#254321;z-index:3;pointer-events:none}
.comparison-wrap{overflow-x:auto}.comparison-wrap table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.6}.comparison-wrap th,.comparison-wrap td{text-align:left;vertical-align:top;padding:12px;border-bottom:1px solid var(--line)}.comparison-wrap thead{background:var(--pale)}.comparison-wrap td{color:var(--muted)}
@media(max-width:700px){
 main{margin:0 5px}.instrument,body.classic .instrument{padding:8px 7px}.measurement,body.classic .measurement{display:flex;flex-direction:column;min-height:0;padding-top:10px;gap:0}
 .dial,body.classic .dial,body.focus .dial{width:174px;height:174px;max-width:100%;margin:0 auto}.dial.mode-horizontal,body.classic .dial.mode-horizontal:not(.two-axis){width:100%;height:116px;border-radius:38px}.dial.mode-vertical,body.classic .dial.mode-vertical{width:100px;height:174px}
 .mode-horizontal .bubble,body.classic .dial.mode-horizontal:not(.two-axis) .bubble{width:56px;height:70px}.mode-horizontal .target,body.classic .dial.mode-horizontal:not(.two-axis) .target{width:66px}
 .reading,body.classic .reading{width:100%;display:grid;grid-template-columns:1fr auto;align-items:center;gap:0 12px;text-align:left;padding:6px 7px 0}.reading #mainValue,body.classic #mainValue{font-size:38px;margin:0}.reading #verdict{font-size:10px;margin:0}.reading p,body.classic .reading p{grid-column:1/-1;font-size:10px;line-height:1.35;margin:3px 0 0}
 .comparison-wrap th,.comparison-wrap td{padding:9px 6px;font-size:11px}
}
@media(max-width:700px) and (max-height:700px){.dial,body.classic .dial,body.focus .dial{width:156px;height:156px}.dial.mode-vertical,body.classic .dial.mode-vertical{height:156px}.dial.mode-horizontal,body.classic .dial.mode-horizontal:not(.two-axis){height:104px}.reading #mainValue,body.classic #mainValue{font-size:33px}.measurement,body.classic .measurement{padding-top:7px}.reading p,body.classic .reading p{margin-top:1px}}
/* Give the instrument the visual weight of a real handheld level. */
.dial.mode-dual,.dial.mode-plumb,.dial.mode-inclinometer,body.classic .dial.mode-dual,body.classic .dial.mode-plumb,body.classic .dial.mode-inclinometer{width:300px;height:300px}
.dial.mode-vertical,body.classic .dial.mode-vertical{width:138px;height:320px}
.mode-dual .bubble{width:56px;height:56px}.mode-dual .bubble:after{line-height:52px;font-size:25px}.mode-dual .target{width:70px;height:70px}.mode-vertical .bubble{width:96px;height:58px}.mode-vertical .target{height:72px}
.reading #mainValue,body.classic #mainValue{font-size:58px}.axis-readings strong{font-size:25px}.controls button{min-height:44px}.primary{min-height:48px}
@media(max-width:700px){
 .instrument,body.classic .instrument{padding:10px 7px}.measurement,body.classic .measurement{padding-top:12px}
 .dial.mode-dual,.dial.mode-plumb,.dial.mode-inclinometer,body.classic .dial.mode-dual,body.classic .dial.mode-plumb,body.classic .dial.mode-inclinometer,body.focus .dial.mode-dual{width:clamp(200px,62vw,270px);height:clamp(200px,62vw,270px)}
 .dial.mode-vertical,body.classic .dial.mode-vertical,body.focus .dial.mode-vertical{width:124px;height:clamp(210px,65vw,280px)}
 .dial.mode-horizontal,body.classic .dial.mode-horizontal:not(.two-axis){height:132px}
 .mode-dual .bubble{width:52px;height:52px}.mode-dual .target{width:66px;height:66px}.mode-dual .bubble:after{line-height:48px}.mode-vertical .bubble{width:88px;height:54px}
 .reading,body.classic .reading{padding:8px 8px 0}.reading #mainValue,body.classic #mainValue{font-size:46px}.reading #verdict{font-size:11px}.reading p,body.classic .reading p{font-size:11px}
 .axis-readings strong{font-size:21px}.axis-readings span{font-size:8px}.primary,body.classic .primary{font-size:13px;min-height:44px}.controls button{min-height:42px;font-size:18px}.controls span{font-size:11px}
}
@media(max-width:700px) and (max-height:700px){
 .instrument,body.classic .instrument{padding-top:7px;padding-bottom:7px}.measurement,body.classic .measurement{padding-top:7px}
 .dial.mode-dual,.dial.mode-plumb,.dial.mode-inclinometer,body.classic .dial.mode-dual,body.classic .dial.mode-plumb,body.classic .dial.mode-inclinometer,body.focus .dial.mode-dual{width:clamp(180px,31svh,216px);height:clamp(180px,31svh,216px)}
 .dial.mode-vertical,body.classic .dial.mode-vertical,body.focus .dial.mode-vertical{width:112px;height:clamp(190px,32svh,224px)}
 .dial.mode-horizontal,body.classic .dial.mode-horizontal:not(.two-axis){height:118px}.reading #mainValue,body.classic #mainValue{font-size:39px}.reading,body.classic .reading{padding-top:5px}.reading p,body.classic .reading p{font-size:10px}.axis-readings strong{font-size:19px}.controls button{min-height:36px}.primary,body.classic .primary{min-height:40px}
}
.voice-row{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:8px;font-size:10px}.voice-row button{border:1px solid var(--line);border-radius:7px;padding:8px 10px;font-size:11px;white-space:nowrap}.voice-row button[aria-pressed=true]{background:#315f48;color:white}.voice-row span{color:var(--muted);line-height:1.4}#voiceDialog{max-width:440px;width:calc(100% - 32px);border:1px solid var(--line);border-radius:18px;background:var(--card);color:var(--ink);padding:24px}#voiceDialog::backdrop{background:#10241988}#voiceDialog h2{font-size:25px;margin:0 0 15px}#voiceDialog p{font-size:13px;line-height:1.7}#voiceDialog>div{display:flex;gap:12px;align-items:center;margin-top:20px}#voiceDialog button{min-height:44px}#voiceDialog .primary{width:auto;flex:1}@media(max-width:700px){.voice-row{gap:7px;margin-top:5px;font-size:9px}.voice-row button{padding:7px;font-size:10px}}
.voice-advantage{display:flex;gap:20px;max-width:760px;margin:30px auto;padding:26px;background:var(--pale);border:1px solid var(--line);border-radius:16px}.voice-advantage-icon{flex-shrink:0;width:48px;height:48px;display:grid;place-items:center;background:#315f48;color:#eaffbd;border-radius:14px;font-size:27px}.voice-advantage h2{font-size:25px;letter-spacing:-.6px;margin:9px 0 12px}.voice-advantage p{font-size:13px;line-height:1.8;margin:8px 0}.voice-advantage .voice-caveat{font-size:11px;color:var(--muted)}.voice-advantage button{padding:10px 0;font-size:12px;font-weight:700;color:var(--accent)}.trust{gap:24px;flex-wrap:wrap}.trust .voice-benefit{font-weight:700;color:var(--accent)}body.focus .voice-advantage{display:none}@media(max-width:700px){.voice-advantage{margin:24px 5px;padding:19px;gap:13px}.voice-advantage h2{font-size:22px}.voice-advantage-icon{width:36px;height:36px;font-size:22px}.voice-advantage p{font-size:12px}}
.demo-panel-header{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.demo-panel-header strong{font-size:12px}.demo-panel-header button{padding:8px 12px;border:1px solid var(--accent);border-radius:7px;font-size:12px;font-weight:700;color:var(--ink);background:var(--card);min-height:36px}.demo-row button[aria-expanded=true]{font-weight:700;font-size:12px;padding:7px 12px;border:1px solid var(--accent);border-radius:7px}
.use-case-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.use-case-grid article{padding:20px;background:var(--card);border:1px solid var(--line);border-radius:12px}.use-case-grid h3{font-size:16px;margin:0 0 10px}.use-case-grid p{font-size:13px;margin:0}.feature-list{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.feature-list>div{padding:16px 0;border-bottom:1px solid var(--line)}.feature-list dt{font-size:14px;font-weight:700}.feature-list dd{margin:8px 0 0;font-size:13px;line-height:1.7;color:var(--muted)}.seo-guide .feature-note{font-size:12px}.sound-help{font-size:11px;color:var(--muted);line-height:1.6;margin-top:-10px}.sound-help button{font-size:11px;padding:7px 10px;border:1px solid var(--line);border-radius:6px;color:var(--ink)}#soundQuick{border:1px solid var(--line);border-radius:7px;padding:7px 8px;white-space:nowrap}#soundQuick[aria-pressed=true]{background:var(--pale);color:var(--accent)}@media(max-width:700px){.use-case-grid,.feature-list{grid-template-columns:1fr}.use-case-grid article{padding:17px}.instrument-top{gap:6px}.instrument-top>span{flex:1;font-size:9px}#soundQuick{font-size:10px;padding:6px}.feature-list dd{font-size:12px}}
/* Brand assets and localized content. Keep the measuring geometry left-to-right. */
.brand{display:inline-flex;align-items:center;gap:8px}.brand img{width:32px;height:32px;display:block;border-radius:9px}.language-control{display:inline-flex;align-items:center}.language-control select{font:inherit;font-size:12px;max-width:122px;border:1px solid var(--line);border-radius:8px;padding:7px 22px 7px 8px;color:var(--ink);background:var(--card);min-height:36px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.use-picture{display:block;width:100%;height:130px;object-fit:contain;border-radius:9px;margin-bottom:17px;background:#e5ebdb}.feature-list>div{display:grid;grid-template-columns:40px 1fr;column-gap:12px;align-content:start}.feature-picture{width:38px;height:38px;grid-row:1/3;border-radius:9px;background:#244b36;padding:3px}.feature-list dt{align-self:center}.feature-list dd{grid-column:2}.dial,.axis-readings,#mainValue,.vial-marks{direction:ltr}.reading p{text-align:start}.controls button{min-width:0}.controls span{overflow-wrap:anywhere}.instrument-top>span{min-width:0}.tabs button{white-space:normal}.brand{direction:ltr}[dir=rtl] .reading{text-align:right}[dir=rtl] .voice-advantage,[dir=rtl] .seo-guide,[dir=rtl] #faq{text-align:right}[dir=rtl] .reference{text-align:right}[dir=rtl] .section-label{letter-spacing:0}[dir=rtl] .record{text-align:right}.language-control select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
@media(max-width:700px){header nav{gap:8px}header nav .language-control{display:inline-flex}.language-control select{max-width:109px;font-size:11px;padding-block:5px;min-height:32px}.brand{font-size:22px}.brand img{width:28px;height:28px}.use-picture{height:118px}.tabs button{line-height:1.3;padding-inline:4px}.controls{gap:4px}.controls span{font-size:10px}.reading #verdict{max-width:140px}.intro h1{line-height:1.15}.voice-row span{overflow-wrap:anywhere}}
/* Compact wordmark keeps the phone's measuring area in view. */
.brand{gap:9px;letter-spacing:-.4px;line-height:1.06;font-size:19px}.brand>span{display:block;max-width:135px;white-space:normal}.brand img{width:44px;height:44px;flex-shrink:0;border-radius:10px}
@media(max-width:700px){header .brand{font-size:15px;gap:7px}header .brand>span{max-width:106px}header .brand img{width:36px;height:36px}header nav{gap:6px}.language-control select{max-width:100px}}
/* Landscape phone: full-width vial and controls in the first viewport. */
@media (orientation:landscape) and (max-height:560px) and (max-width:1100px){
 body{padding-inline:env(safe-area-inset-left) env(safe-area-inset-right)}
 header{height:42px;margin:0 10px;max-width:none;border:0}header .brand{font-size:12px;gap:6px}header .brand img{width:28px;height:28px}header .brand>span{max-width:95px}header nav>a{display:none}header nav{gap:8px}.language-control select{min-height:28px;font-size:10px;padding-block:3px}header #theme{font-size:20px}
 main,body.classic main,body.focus main{width:100%;max-width:none;margin:0;padding:0 6px}.intro,.trust{display:none!important}
 .view-picker,body.classic .view-picker{position:absolute;top:6px;left:50%;transform:translateX(-50%);margin:0;padding:2px;z-index:1}.view-picker button{font-size:10px;padding:6px 12px}
 .workspace,body.classic .workspace{display:block;max-width:none;margin:0}.workspace aside{margin:18px auto;max-width:760px}
 .instrument,body.classic .instrument,body.focus .instrument{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:28px 30px minmax(80px,1fr) 29px 36px 28px;gap:4px 8px;height:calc(100svh - 46px);min-height:260px;width:100%;max-width:none;margin:0;padding:6px 8px;border-radius:14px}
 .instrument-top{grid-column:1/3;grid-row:1;gap:7px}.instrument-top>span{flex:1;font-size:9px}.instrument-top button,#soundQuick{font-size:10px;padding:5px}.placement-switch{grid-column:3/5;grid-row:1;margin:0!important;justify-self:end;align-self:center;padding:2px!important}.placement-switch button{font-size:10px!important;padding:4px 18px!important}
 .tabs{grid-column:1/-1;grid-row:2;display:flex!important;flex-wrap:nowrap;margin:0;padding:2px;gap:3px}.tabs button{font-size:10px;padding:4px;line-height:1.2;min-width:0}
 .measurement,body.classic .measurement{grid-column:1/-1;grid-row:3;display:grid!important;grid-template-rows:minmax(50px,1fr) 39px;align-items:center;justify-items:center;gap:2px;margin:0;padding:0;min-height:0;width:100%}
 .dial,body.classic .dial,body.focus .dial{height:min(100%,180px)!important;width:auto!important;aspect-ratio:1;max-height:100%;max-width:100%;margin:0!important}
 .dial.mode-horizontal,body.classic .dial.mode-horizontal:not(.two-axis){width:100%!important;height:100%!important;aspect-ratio:auto;border-radius:35px;min-height:48px}
 .dial.mode-vertical,body.classic .dial.mode-vertical{height:100%!important;width:82px!important;aspect-ratio:auto;border-radius:28px}
 .mode-horizontal .bubble,body.classic .mode-horizontal .bubble{width:48px!important;height:min(66px,75%)!important}.mode-horizontal .target{width:58px!important}.mode-vertical .bubble{width:64px!important;height:32px!important}.mode-vertical .target{height:42px!important}.mode-dual .bubble{width:38px!important;height:38px!important}.mode-dual .target{width:48px!important;height:48px!important}.bubble:after{line-height:32px!important}
 .reading,body.classic .reading{display:grid!important;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:12px;width:100%;padding:0 6px;text-align:start}.reading #mainValue,body.classic #mainValue{font-size:30px!important;line-height:1;margin:0;white-space:nowrap}.reading small{font-size:16px}.reading #verdict{font-size:10px;max-width:none;margin:0;padding:4px 8px}.reading p,body.classic .reading p{grid-column:auto;font-size:10px;line-height:1.25;margin:0;text-align:end}
 .axis-readings{grid-column:1/3;grid-row:4;margin:0;padding:3px 6px;align-items:center}.axis-readings>div{display:flex;align-items:center;justify-content:center;gap:8px}.axis-readings span{font-size:7px;letter-spacing:0}.axis-readings strong{font-size:17px;margin:0}.notice{grid-column:3/5;grid-row:4;align-self:center;font-size:9px;line-height:1.2;margin:0}
 #start,body.classic #start{grid-column:1/2;grid-row:5;min-height:36px;padding:5px;font-size:11px;width:100%;margin:0}.controls{grid-column:2/5;grid-row:5;display:flex;gap:4px;margin:0}.controls button{flex:1;min-height:36px;padding:3px;font-size:16px;line-height:1.1}.controls span{font-size:10px;display:inline;margin-inline-start:4px}
 .voice-row{grid-column:1/3;grid-row:6;margin:0;gap:6px;font-size:9px}.voice-row button{font-size:10px;padding:5px}.demo-row{grid-column:3/5;grid-row:6;margin:0;padding:0;border:0;align-items:center;font-size:9px}.demo-row button{font-size:10px}.demo-row button[aria-expanded=true]{padding:4px 8px;font-size:10px}
 #demoPanel{grid-column:1/-1;margin:5px 0 0} .instrument:has(#demoPanel:not([hidden])){height:auto;min-height:calc(100svh - 46px);grid-template-rows:28px 30px 150px 29px 36px 28px auto}
 body.focus .instrument{height:calc(100svh - 8px)}
}

@media (orientation:landscape) and (max-height:560px) and (max-width:1100px){.measurement,body.classic .measurement{grid-template-columns:minmax(0,1fr)!important;height:100%;min-height:0}.measurement .dial{grid-column:1;grid-row:1}.measurement .reading{grid-column:1;grid-row:2}}
@media (orientation:landscape) and (max-height:560px) and (max-width:1100px){.measurement .dial{grid-area:1 / 1!important}.measurement .reading{grid-area:2 / 1!important}}
/* Quiet supporting content: small diagrams, plain lists, fewer promotional boxes. */
.voice-advantage{background:transparent;border:0;border-block:1px solid var(--line);border-radius:0;padding:22px 0;max-width:760px;gap:0}.voice-advantage h2{font-size:22px;letter-spacing:-.3px;margin:0 0 10px}.voice-advantage>div{width:100%}.voice-advantage button{padding-bottom:0}
.use-case-grid{gap:0 26px}.use-case-grid article{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:20px 0;display:grid;grid-template-columns:76px minmax(0,1fr);gap:4px 14px;align-content:start}.use-case-grid .use-picture{grid-row:1/3;width:76px;height:66px;margin:0;border-radius:5px}.use-case-grid h3{margin:0;font-size:15px;line-height:1.4}.use-case-grid p{grid-column:2;font-size:13px;line-height:1.65}.feature-picture{background:transparent;padding:0;border-radius:0;width:28px;height:28px}.feature-list>div{grid-template-columns:28px 1fr}.topic-links{border-radius:0;background:transparent;gap:9px 18px}.topic-links a{background:transparent!important;padding:4px 0!important;border-radius:0!important;text-decoration:underline;text-underline-offset:4px}.seo-guide h2{letter-spacing:-.3px}
@media(max-width:700px){.voice-advantage{margin:22px 5px;padding:18px 0}.use-case-grid article{padding:16px 0}.use-case-grid .use-picture{width:65px;height:58px}.use-case-grid article{grid-template-columns:65px minmax(0,1fr);gap:4px 12px}}
body:not(.dark) .feature-picture{filter:brightness(.48) saturate(.9)}
/* Upright and circular instruments need height, not a flattened horizontal-vial slot. */
@media (orientation:landscape) and (max-height:560px) and (max-width:1100px){
 .tabs button{min-height:0!important}
 .instrument:has(.dial:not(.mode-horizontal)),body.classic .instrument:has(.dial:not(.mode-horizontal)),body.focus .instrument:has(.dial:not(.mode-horizontal)){
  grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);grid-template-rows:24px 28px minmax(24px,1fr) 24px 32px 32px 24px 22px;gap:3px 12px;min-height:260px;
 }
 .instrument:has(.dial:not(.mode-horizontal)) .instrument-top{grid-area:1 / 1}.instrument:has(.dial:not(.mode-horizontal)) .placement-switch{grid-area:1 / 2}.instrument:has(.dial:not(.mode-horizontal)) .tabs{grid-area:2 / 1 / 3 / 3;max-width:none;width:100%}
 .instrument:has(.dial:not(.mode-horizontal)) .measurement{grid-area:3 / 1 / 9 / 2!important;grid-template-rows:minmax(0,1fr) 55px;height:100%;gap:4px}
 .instrument:has(.dial:not(.mode-horizontal)) .dial{height:100%!important;max-height:100%!important;width:auto!important;aspect-ratio:1;max-width:100%;min-height:0}
 .instrument:has(.dial.mode-vertical) .dial{width:88px!important;aspect-ratio:auto}
 .instrument:has(.dial:not(.mode-horizontal)) .reading{grid-template-columns:auto 1fr;grid-template-rows:30px 22px;gap:2px 8px;align-items:center;padding:0}
 .instrument:has(.dial:not(.mode-horizontal)) .reading #verdict{justify-self:end;font-size:9px;padding:4px 6px}.instrument:has(.dial:not(.mode-horizontal)) .reading p{grid-column:1/-1;text-align:center;font-size:9px;line-height:1.2;min-height:0;max-width:100%;margin:0}
 .instrument:has(.dial:not(.mode-horizontal)) .axis-readings{grid-area:3 / 2;max-width:none;width:100%;align-self:center;margin:0;padding:4px}.instrument:has(.dial:not(.mode-horizontal)) .notice{grid-area:4 / 2;line-height:1.15;font-size:9px}
 .instrument:has(.dial:not(.mode-horizontal)) #start{grid-area:5 / 2;max-width:none;width:100%;min-height:32px}
 .instrument:has(.dial:not(.mode-horizontal)) .controls{grid-area:6 / 2;max-width:none;width:100%;margin:0}.instrument:has(.dial:not(.mode-horizontal)) .controls button{min-height:32px;font-size:14px}.instrument:has(.dial:not(.mode-horizontal)) .controls span{font-size:9px}
 .instrument:has(.dial:not(.mode-horizontal)) .voice-row{grid-area:7 / 2;margin:0}.instrument:has(.dial:not(.mode-horizontal)) .voice-row button{font-size:9px;padding:4px}.instrument:has(.dial:not(.mode-horizontal)) .voice-row span{font-size:8px}
 .instrument:has(.dial:not(.mode-horizontal)) .demo-row{grid-area:8 / 2;width:100%;max-width:none;margin:0;gap:4px}.instrument:has(.dial:not(.mode-horizontal)) .demo-row>span{display:none}
 .instrument:has(.dial:not(.mode-horizontal)) #demoPanel{grid-area:9 / 1 / 10 / 3;max-width:none;width:100%}
 .instrument:has(.dial:not(.mode-horizontal)):has(#demoPanel:not([hidden])){height:auto;grid-template-rows:24px 28px 40px 24px 32px 32px 24px 22px auto}
 .mode-plumb .plumb-cord,.mode-inclinometer .angle-needle,.angle-needle:after,.plumb-cord:before{background:#b8df7b}.mode-plumb .plumb-cord span{background:#d4ed9c}
 body:not(.dark) .mode-plumb .plumb-cord,body:not(.dark) .mode-inclinometer .angle-needle,body:not(.dark) .angle-needle:after,body:not(.dark) .plumb-cord:before{background:#315f48}
 .mode-plumb .dial-bottom,.mode-inclinometer .dial-bottom{display:none}
}

/* Immersive level: one instrument, sized to the available screen in either orientation. */
#fullExit,#fullHint{display:none}
body.full-level{overflow:hidden;overscroll-behavior:none}
body.full-level .instrument,body.full-level.classic .instrument{position:fixed!important;inset:0!important;z-index:10000!important;width:100%!important;max-width:none!important;height:100dvh!important;min-height:0!important;margin:0!important;padding:0!important;border:0!important;border-radius:0!important;display:block!important;background:var(--card,#17251e);overflow:hidden;touch-action:manipulation}
body.full-level .instrument>:not(.measurement):not(.instrument-top):not(#start):not(#fullExit):not(#fullHint):not(.view-picker):not(#rotatePrompt):not(#fullModes):not(.axis-readings):not(#calibrationDialog):not(#prepNotice){display:none!important}
body.full-level .instrument .instrument-top{position:absolute;inset:max(12px,env(safe-area-inset-top)) 64px auto;z-index:4;display:flex;justify-content:center;padding:0;margin:0;font-size:11px;pointer-events:none}
body.full-level .instrument-top button{display:none!important}
body.full-level .instrument .measurement{position:absolute!important;inset:50px 0 0!important;display:grid!important;grid-template-columns:minmax(0,1fr)!important;grid-template-rows:minmax(0,1fr) 82px!important;gap:8px!important;width:100%!important;height:auto!important;margin:0!important;padding:0 0 env(safe-area-inset-bottom)!important;min-height:0!important}
body.full-level .instrument .measurement .dial{grid-area:1/1!important;align-self:center;justify-self:center;width:min(100vw,calc(100dvh - 148px))!important;height:auto!important;max-width:100%!important;max-height:100%!important;min-height:0!important;aspect-ratio:1!important;margin:0!important}
body.full-level .instrument .measurement .mode-horizontal{width:100%!important;height:100%!important;aspect-ratio:auto!important;border-radius:18px!important}
body.full-level .instrument .measurement .mode-vertical{height:100%!important;width:min(48vw,240px)!important;aspect-ratio:auto!important;border-radius:22px!important}
body.full-level .instrument .measurement .reading{grid-area:2/1!important;display:flex!important;align-items:center!important;justify-content:center!important;flex-wrap:wrap;gap:6px 18px!important;padding:0 16px!important;margin:0!important;width:100%!important;text-align:center!important}
body.full-level .instrument .reading #mainValue{font-size:40px!important;line-height:1!important;margin:0!important}
body.full-level .instrument .reading #verdict{font-size:12px!important;margin:0!important}
body.full-level .instrument .reading p{flex-basis:100%;font-size:11px!important;text-align:center!important;margin:0!important;min-height:0!important}
body.full-level #fullExit{display:block;position:absolute;top:max(4px,env(safe-area-inset-top));left:max(4px,env(safe-area-inset-left));width:44px;height:44px;border:0;background:transparent;color:inherit;font-size:24px;z-index:6}
body.full-level #start{position:absolute!important;top:max(4px,env(safe-area-inset-top));right:max(4px,env(safe-area-inset-right));width:44px!important;height:44px!important;min-height:44px!important;padding:0!important;margin:0!important;overflow:hidden;font-size:0!important;z-index:6}
body.full-level #start:before{content:'◎';font-size:24px}
body.full-level #fullHint{display:block;position:absolute;bottom:max(94px,calc(env(safe-area-inset-bottom) + 94px));left:50%;transform:translateX(-50%);max-width:90%;width:max-content;background:#f0f6da;color:#17251e;box-shadow:0 3px 18px #0005;padding:10px 18px;border-radius:30px;font-size:13px;text-align:center;z-index:8;pointer-events:none;opacity:0;transition:opacity .2s}
body.full-level #fullHint.visible{opacity:1}
body.full-level .instrument .mode-dual .bubble{width:64px!important;height:64px!important}
body.full-level .instrument .mode-dual .target{width:76px!important;height:76px!important}
body.full-level .instrument .mode-horizontal .bubble{width:68px!important;height:72%!important;max-height:180px}
body.full-level .instrument .mode-horizontal .target{width:80px!important}
body.full-level .instrument .mode-vertical .bubble{width:72%!important;height:60px!important}
body.full-level .instrument .mode-vertical .target{height:72px!important}
@media(orientation:landscape){body.full-level .instrument .measurement{inset:44px 0 0!important;grid-template-rows:minmax(0,1fr) 64px!important;gap:2px!important}body.full-level .instrument .measurement .dial{width:min(100vw,calc(100dvh - 114px))!important}body.full-level .instrument .measurement .mode-horizontal{width:100%!important;height:100%!important}body.full-level .instrument .measurement .mode-vertical{width:min(30vw,190px)!important}body.full-level .instrument .reading #mainValue{font-size:32px!important}body.full-level #fullHint{bottom:74px}}

/* Full screen is the third layout choice and is landscape-only. */
#focus,#rotatePrompt{display:none!important}
.view-picker button{white-space:nowrap}
@media(max-width:700px){.view-picker{width:100%;justify-content:center}.view-picker button{flex:1;padding:8px 6px;font-size:11px}}
body.full-level .instrument .view-picker{display:flex!important;position:absolute!important;top:max(4px,env(safe-area-inset-top))!important;left:50%!important;transform:translateX(-50%)!important;width:max-content!important;max-width:calc(100% - 104px)!important;margin:0!important;padding:2px!important;z-index:10}
body.full-level .instrument .view-picker button{font-size:10px;padding:6px 9px;min-height:30px}
body.full-level .instrument .instrument-top{top:max(44px,calc(env(safe-area-inset-top) + 40px));font-size:9px}
body.full-level .instrument .measurement{top:62px!important}
body.full-level .instrument .measurement .dial{width:min(100vw,calc(100dvh - 132px))!important}
body.full-level .instrument .measurement .mode-horizontal{width:100%!important}
body.full-level .instrument .measurement .mode-vertical{width:min(30vw,190px)!important}
@media(orientation:portrait){
 body.full-level .instrument .measurement,body.full-level .instrument .instrument-top,body.full-level #start{display:none!important}
 body.full-level .instrument #rotatePrompt{display:flex!important;position:absolute;inset:80px 24px 130px;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-size:20px;line-height:1.5}
 #rotatePrompt span{font-size:90px;line-height:1.3;color:var(--ink)}
 body.full-level .instrument .view-picker{max-width:calc(100% - 60px)!important;left:auto!important;right:6px;transform:none!important}
 body.full-level .instrument .view-picker button{padding:6px;font-size:10px}
}
@media(orientation:landscape) and (max-height:560px) and (max-width:1100px){body:not(.full-level) .view-picker{width:max-content;max-width:100%}body:not(.full-level) .view-picker button{flex:none;padding:6px 9px}}
/* One unmistakable primary action across layouts and themes. */
body #start,body.classic #start,body.full-level #start{background:#e1ff60!important;color:#10200c!important;border:2px solid #10200c!important;font-weight:800!important;box-shadow:0 0 0 1px #e1ff60!important;opacity:1!important}
body #start:hover{background:#edff9b!important}body #start:focus-visible{outline:3px solid #fff;outline-offset:4px}
.mode-guide{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}.mode-guide article{border-bottom:1px solid var(--line);padding:18px 0}.mode-guide h3{margin:0 0 8px;font-size:17px}.mode-guide p{margin:6px 0;line-height:1.65}.placement-guide{padding:18px 0;border-top:1px solid var(--line)}
@media(max-width:700px){.mode-guide{grid-template-columns:1fr}}

/* Fullscreen starts with a horizontal vial; dual-axis gets a landscape instrument panel. */
#fullModes{display:none}
body.full-level .axis-readings{display:none!important}
@media(orientation:landscape){
 body.full-level #fullModes{display:flex;position:absolute;top:51px;right:max(10px,env(safe-area-inset-right));gap:4px;z-index:12}
 #fullModes button{min-height:36px;padding:5px 14px;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:18px;font-size:11px}
 #fullModes button[aria-pressed=true]{background:#e1ff60;color:#10200c;border-color:#e1ff60;font-weight:700}
 body.full-level .instrument .measurement{top:92px!important}
 body.full-level .instrument .instrument-top{inset:54px auto auto max(12px,env(safe-area-inset-left))!important;max-width:40%;font-size:10px}
 body.full-level .instrument:has(.mode-dual) .measurement{grid-template-columns:55% 45%!important;grid-template-rows:minmax(0,1fr) 76px!important;padding:0 12px max(8px,env(safe-area-inset-bottom))!important;gap:0!important}
 body.full-level .instrument:has(.mode-dual) .measurement .dial{grid-area:1/1/3/2!important;width:min(50vw,calc(100dvh - 108px))!important;height:auto!important;aspect-ratio:1!important}
 body.full-level .instrument:has(.mode-dual) .measurement .reading{grid-area:1/2!important;align-self:center!important;flex-direction:column;flex-wrap:nowrap;gap:8px!important;padding:0 8px!important}
 body.full-level .instrument:has(.mode-dual) .reading #mainValue{font-size:42px!important}
 body.full-level .instrument:has(.mode-dual) .reading p{flex-basis:auto;max-width:300px}
 body.full-level .instrument:has(.mode-dual) .axis-readings{display:flex!important;position:absolute!important;right:max(12px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));width:42%!important;max-width:none!important;justify-content:space-around;gap:12px;padding:10px 4px!important;margin:0!important;border:0;border-top:1px solid var(--line)}
 body.full-level .instrument:has(.mode-dual) .axis-readings>div{display:flex;flex-direction:column;gap:4px}
 body.full-level .instrument:has(.mode-dual) .axis-readings span{font-size:9px!important;letter-spacing:0}
 body.full-level .instrument:has(.mode-dual) .axis-readings strong{font-size:26px!important;line-height:1.1;margin:0}
 body.full-level .instrument:has(.mode-dual) #fullHint{left:28%;bottom:14px;max-width:50%;font-size:11px;padding:7px 12px}
}

/* Tolerance feedback uses deep ink on pale badges for contrast in both themes. */
.instrument[data-tolerance="within"]{--reading-ink:#14532d;--reading-bg:#e7ffd8}
.instrument[data-tolerance="outside"]{--reading-ink:#a50f24;--reading-bg:#ffe9ed}
body .instrument[data-tolerance="within"] #mainValue,body .instrument[data-tolerance="outside"] #mainValue,
body .instrument[data-tolerance="within"] #verdict,body .instrument[data-tolerance="outside"] #verdict,
body .instrument[data-tolerance="within"] .axis-readings strong,body .instrument[data-tolerance="outside"] .axis-readings strong{color:var(--reading-ink)!important;background:var(--reading-bg)!important;border-radius:8px}
body .instrument[data-tolerance="within"] #mainValue,body .instrument[data-tolerance="outside"] #mainValue{padding:2px 10px}
body .instrument[data-tolerance="within"] .axis-readings strong,body .instrument[data-tolerance="outside"] .axis-readings strong{padding:2px 8px}
#mainValue small{color:inherit!important}

body .instrument[data-tolerance="within"] #mainValue,body .instrument[data-tolerance="outside"] #mainValue{width:max-content;max-width:100%;justify-self:center;margin-inline:auto}
.calibration-help{font-size:12px;line-height:1.5;margin:16px 0 8px}
#openCalibration{border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-weight:700;color:var(--ink)}
#prepNotice:not([hidden]){display:flex!important;position:fixed;z-index:20000;bottom:max(12px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100vw - 24px);gap:12px;align-items:center;padding:12px 14px;background:#efffc8;color:#173319;border:1px solid #526a36;border-radius:12px;box-shadow:0 5px 25px #0005;font-size:12px;line-height:1.4}
#prepNotice button{font-weight:700;text-decoration:underline;min-height:36px;color:inherit;flex-shrink:0}#prepNotice button:last-child{font-size:22px;text-decoration:none;width:32px}#prepNotice[hidden]{display:none!important}
#calibrationDialog{max-width:500px;width:calc(100vw - 28px);max-height:calc(100dvh - 24px);overflow:auto;margin:auto;padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--card);color:var(--ink);font-size:14px;line-height:1.6}
#calibrationDialog:not([open]){display:none!important}#calibrationDialog[open]{display:block!important}#calibrationDialog::backdrop{background:#000a}#calibrationDialog h2{font-size:23px;margin:0 0 12px}#calibrationDialog p{margin:10px 0}.calibration-check{display:flex;align-items:flex-start;gap:10px;font-weight:700}.calibration-check input{width:20px;height:20px;flex-shrink:0;margin-top:3px}.calibration-actions{display:flex;flex-wrap:wrap;gap:8px}.calibration-actions button{padding:10px 14px;border:1px solid var(--line);border-radius:8px;min-height:44px}.calibration-actions button:nth-child(2){background:#e1ff60;color:#10200c;font-weight:800}
@media(max-width:600px){#prepNotice:not([hidden]){display:grid!important;grid-template-columns:1fr 30px;gap:4px 8px}#prepNotice span{grid-area:1/1}#prepNotice button:nth-child(2){grid-area:2/1;text-align:start}#prepNotice button:last-child{grid-area:1/2/3/3}}

footer .footer-pages{display:flex;gap:12px 22px;flex-wrap:wrap}footer .footer-pages a{font-size:12px}