:root{color-scheme:dark;--bg:#141716;--panel:#1d221f;--panel2:#232925;--line:#394139;--text:#edf0e7;--muted:#a0a99d;--olive:#87956c;--amber:#e3b86a;--green:#8fea86;--force:#f2ce59;--red:#d37965;--mono:'IBM Plex Mono',monospace;--ui:'Inter',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--ui);font-size:15px;line-height:1.45}button,a,input,select{touch-action:manipulation}button,input,select{font:inherit}button{border:1px solid var(--line);border-radius:5px;background:#282e28;color:var(--text);padding:9px 13px;cursor:pointer;transition:background .15s,border-color .15s}button:hover{background:#343d32;border-color:#75826e}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,canvas:focus-visible{outline:2px solid var(--amber);outline-offset:3px}button[aria-pressed=true]{border-color:var(--amber);background:#3b3627;color:#f5d894}a{color:inherit}h1,h2,h3,p{margin:0}button.quiet{background:transparent;border-color:#3f483e;font-size:13px}.topbar{height:66px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 25px;gap:20px;background:linear-gradient(180deg,#262b26,#1c211d)}.wordmark{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:2px;text-decoration:none;font-size:19px;white-space:nowrap}.mark{border:1px solid #7b8767;color:#c8d2b7;font:600 25px var(--mono);width:33px;height:34px;line-height:30px;letter-spacing:-7px;overflow:hidden;padding-left:4px}.mark span{font-size:15px;vertical-align:5px}.edition{font:10px var(--mono);letter-spacing:1px;color:var(--muted);max-width:70px;white-space:normal;margin-left:9px}.top-meta,.top-actions{display:flex;align-items:center;gap:23px}.top-meta{font:11px var(--mono);letter-spacing:.4px}.top-meta>span:first-child{color:#c7cfc0}.plc-status,.online{color:var(--green)}i{display:inline-block}.plc-status i,.online i{width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:7px;box-shadow:0 0 9px #8fea862e}.scan{color:var(--muted)}.safety-short{font:12px var(--mono);color:#d99885}.workbench{display:grid;grid-template-columns:minmax(0,58fr) minmax(0,42fr);min-height:550px}.plant{position:relative;padding:25px 26px 18px;overflow:hidden;background:radial-gradient(ellipse at 48% 40%,#28312880,transparent 70%),#181c19}.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:15px}.eyebrow{font:10px var(--mono);letter-spacing:1.2px;color:var(--muted)}h1{font-size:clamp(25px,2.8vw,39px);font-weight:550;line-height:1.12;letter-spacing:-1.2px;margin-top:8px}.call-number{font:10px var(--mono);white-space:nowrap;display:flex;gap:7px;align-items:center;margin-top:5px;padding:7px 9px;border:1px solid #6a5434;border-radius:3px;color:#e1bd7e}.call-light{width:6px;height:6px;background:var(--amber);border-radius:50%;box-shadow:0 0 10px #e3b86a80}.machine-wrap{position:relative;height:clamp(270px,28vw,380px);margin:-1px -16px -17px;animation:plant-in 1.8s ease both}canvas{display:block;width:100%;height:100%;touch-action:pan-y}.scene-note{position:absolute;top:9px;left:11px;font:9px var(--mono);letter-spacing:1px;color:#a1aa94;pointer-events:none}.crosshair{font-size:16px;margin-right:6px}.scene-scale{position:absolute;right:15px;bottom:10px;font:8px var(--mono);color:#8c9983;text-align:right;letter-spacing:1px;pointer-events:none}.scene-scale span{display:block;margin-top:5px;color:#606c5c}.plant-controls{position:relative;display:flex;align-items:center;justify-content:space-between;gap:9px;margin-top:12px}.zone-choices{display:flex;gap:6px}.zone-choices button{font:13px var(--mono);padding:7px 9px}.zone-choices span{font:9px var(--ui);margin-left:7px;letter-spacing:.6px;color:#bdc4b5}.truth-panel{margin-top:16px;padding:12px 15px 10px;border:1px solid #414b3c;background:linear-gradient(110deg,#2a3125,#20271f);border-radius:5px}.truth-heading{display:flex;justify-content:space-between;min-height:17px}.truth-lamps{display:grid;grid-template-columns:repeat(4,1fr);margin:9px 0 7px;gap:10px}.truth-lamps>div{position:relative;padding-left:16px;border-right:1px solid #48523f}.truth-lamps>div:last-child{border:0}.truth-lamps i{position:absolute;left:0;top:3px;width:7px;height:7px;border-radius:50%;background:#586153;border:1px solid #737c69}.truth-lamps i.on{background:var(--green);box-shadow:0 0 10px #8fea8655;border-color:var(--green)}.truth-lamps span{display:block;font-size:10px;color:#b3bcaa}.truth-lamps strong{display:block;font:500 14px var(--mono);margin-top:2px}.truth-panel p{font-size:11px;min-height:16px;color:#b4beaa}.rack{border-left:1px solid var(--line);padding:24px 22px 15px;background:linear-gradient(180deg,#202620,#1a201b);position:relative;overflow:hidden}.rack:before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 3px,#fff 3px 4px);opacity:.012;pointer-events:none}.rack-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.rack h2{font-weight:550;font-size:23px;letter-spacing:-.6px;margin-top:6px}.online{font:10px var(--mono);border:1px solid #455942;padding:5px 8px;border-radius:3px}.ladder-note{font-size:11px;color:var(--muted);margin:19px 0 9px;display:flex;align-items:center;gap:8px}.legend-line{display:inline-block;height:2px;width:21px;background:var(--green)}.ladder{display:grid;gap:7px}.rung{position:relative;background:#161c17;border:1px solid #35422f;border-radius:4px;padding:9px 10px 8px}.rung.selected{border-color:#a58b54;box-shadow:inset 3px 0 #c9a962}.rung-head{display:flex;justify-content:space-between;font:9px var(--mono);color:#95a58b;letter-spacing:1px}.rung-track{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));position:relative;align-items:center}.rung-track:before{content:'';position:absolute;left:4px;right:4px;top:27px;height:2px;background:#45523f}.rung.energized .rung-track:before{background:var(--green);box-shadow:0 0 8px #8fea8628}.contact{position:relative;min-width:0;border:0!important;background:transparent!important;padding:2px 1px 0;display:flex;align-items:center;flex-direction:column;color:#a2af9c;border-radius:0}.contact:hover{color:#fff}.contact:focus-visible{outline-offset:0}.contact.true{color:var(--green)}.contact.linked .tag-name{background:#514930;color:#ffe0a1}.symbol{height:38px;background:#161c17;z-index:1;padding:1px 7px;font:500 32px var(--mono);line-height:38px}.tag-name{font:500 14px var(--mono);letter-spacing:-.6px;white-space:nowrap;padding:1px 3px;border-radius:2px}.tag-bit{font:10px var(--mono);color:var(--muted);height:17px}.tag-bit.forced{color:var(--force)}.rung-caption{font:11px var(--mono);line-height:1.6;color:#b2bda8;min-height:36px;margin:12px 0}.io-heading{display:flex;justify-content:space-between;align-items:center;margin:16px 0 8px}.io-heading h3{font-size:12px;font-weight:550}.io-heading span{font:8px var(--mono);color:#91a285;letter-spacing:.3px}.io-row{display:grid;grid-template-columns:90px 1fr 28px;gap:8px;align-items:center;padding:6px 8px;background:#20291e;border:1px solid transparent;border-bottom-color:#394432;font:14px var(--mono);width:100%;text-align:left;border-radius:0}.io-row.selected{border:1px solid #ac935a;background:#3b3926}.io-row.mapped{outline:1px dashed #beaa69;outline-offset:-4px}.io-row small{font:11px var(--ui);color:#a4b298}.io-bit{color:#a4b298;text-align:center;background:#151a14;border:1px solid #4a5741;border-radius:3px;font-size:14px}.io-bit.high{color:var(--amber);border-color:#776641}.rack-foot{font-size:10px;line-height:1.6;color:#8d9c82;margin-top:10px}.logic-tab{display:none}.dock{border-top:1px solid #495240;background:#242a23}.radio-strip{display:flex;align-items:center;gap:18px;padding:12px 25px;background:linear-gradient(100deg,#30362b,#262c24);border-bottom:1px solid #444b3b}.radio-button{display:flex;align-items:center;gap:13px;background:transparent;border:0;padding:0;text-align:left;min-width:115px;font:600 10px var(--mono);letter-spacing:1px;color:#d7c490}.radio-button small{font-size:8px;font-weight:400;color:#959d88;letter-spacing:.5px}.radio-bars{height:26px;display:flex;align-items:center;gap:3px}.radio-bars i{width:3px;background:#aaae85;height:9px}.radio-bars i:nth-child(2){height:17px}.radio-bars i:nth-child(3){height:25px}.radio-bars i:nth-child(4){height:14px}.radio-button.speaking .radio-bars i{animation:radio .4s ease infinite alternate}.radio-strip p{max-width:890px;font-size:13px;line-height:1.5;color:#dbdfd1}.radio-time{margin-left:auto;font:10px var(--mono);color:#828f7c}.tool-strip{display:flex;align-items:stretch;padding:0 24px;background:#1e241e;border-bottom:1px solid #49503e;gap:3px}.tool-strip button{border:0;border-radius:0;border-bottom:2px solid transparent;display:flex;gap:8px;align-items:center;padding:12px 16px;font-size:12px;white-space:nowrap;background:transparent}.tool-strip button[aria-pressed=true]{border-bottom-color:var(--amber);background:#38392b;color:#edcf91}.tool-strip .test-tool{margin-left:auto}.tool-icon{font:20px var(--mono);line-height:1}.tool-strip kbd{font:8px var(--mono);color:#73816b;border:1px solid #47533d;border-radius:2px;padding:0 3px;margin-left:4px}.tool-body{padding:16px 26px;min-height:146px;max-height:340px;overflow:auto}.status-message{padding:0 26px 11px;color:#cab47e;min-height:26px;font-size:12px}.inspect-layout{display:grid;grid-template-columns:180px 1fr;gap:23px}.tool-title h2{font-size:18px;font-weight:550;letter-spacing:-.4px;margin:4px 0 7px}.tool-title p{font-size:12px;color:var(--muted)}.layer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.layer{border-left:1px solid #49543f;padding:4px 10px;text-align:left;background:transparent;border-radius:0;border-top:0;border-right:0;border-bottom:0}.layer span{display:block;font:9px var(--mono);letter-spacing:1px;color:#99a68d}.layer strong{font:500 14px var(--mono);display:block;margin:7px 0 4px;overflow-wrap:anywhere}.layer small{font-size:11px;color:#aeb8a4;line-height:1.5;display:block}.force-badge{font:9px var(--mono);color:#1d2118;background:var(--force);border-radius:2px;padding:2px 5px}.panel-row{display:flex;gap:22px;align-items:flex-start}.panel-row>.tool-title{width:190px;flex-shrink:0}.tool-content{flex:1;min-width:0}.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.map-tag{border:1px solid #556149;background:#1e261b;padding:9px;border-radius:4px}.map-tag strong{display:block;font:14px var(--mono);color:#dfe8d6;cursor:grab}.map-tag label{font-size:11px;color:#98a889}select{background:#1a2118;color:var(--text);border:1px solid #637052;border-radius:4px;padding:7px;font:14px var(--mono);max-width:100%}.map-tag select{display:block;width:100%;margin-top:7px}.terminals{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.terminal{font:14px var(--mono);padding:7px 12px;border:1px dashed #81946b;background:#1c221a;cursor:crosshair}.terminal.drag-over{border-color:var(--amber);background:#46442d}.terminal span{color:var(--amber);margin-left:13px}.force-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.force-controls button{font:12px var(--mono)}.force-warning{font:12px var(--mono);color:var(--force);margin-top:10px}.force-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.force-list button{font:12px var(--mono);border-color:#a29146;color:#f3d875;padding:6px 9px}.align-layout{display:grid;grid-template-columns:200px 1fr 230px;gap:20px}.align-diagram{height:145px;min-width:0}.align-fields label{font-size:11px;display:block;color:var(--muted)}.align-fields output{font:500 18px var(--mono);color:#e8cf92;float:right}.align-fields input{display:block;width:100%;margin:7px 0 12px;accent-color:var(--amber)}.align-fields button{font-size:11px;padding:5px 9px}.coach-layout{display:flex;align-items:center;gap:25px;max-width:1030px}.coach-number{font:500 36px var(--mono);color:#bfa265;flex-shrink:0}.coach-layout blockquote{font-size:19px;line-height:1.45;letter-spacing:-.25px;margin:0;max-width:750px}.coach-layout button{flex-shrink:0}.coach-sub{font-size:11px;color:var(--muted);margin-top:9px}.proof-layout{display:grid;grid-template-columns:190px 1fr 240px;gap:22px}.proof-checklist{display:grid;gap:9px}.proof-step{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:#aab6a0}.proof-step b{font:11px var(--mono);border:1px solid #526044;width:21px;height:21px;line-height:19px;text-align:center;border-radius:3px;flex-shrink:0}.proof-step.pass{color:var(--green)}.proof-step.pass b{border-color:var(--green);background:#2f4226}.proof-step.active{color:#edcf91}.proof-action{display:flex;flex-direction:column;align-items:flex-start;gap:8px}.primary-action{background:#dfc185;color:#1c2217;border:1px solid #dfc185;font-weight:650;font-size:13px}.primary-action:hover{background:#f2d9a7;color:#172014}.proof-action p{font-size:11px;color:var(--muted)}.debrief{display:grid;grid-template-columns:190px 1fr 180px;gap:23px}.stamp{border:2px solid #97ba7c;color:#a8d18c;font:500 20px var(--mono);padding:12px;display:inline-block;transform:rotate(-2deg);max-width:170px;line-height:1.1}.debrief ol{list-style:none;margin:0;padding:0;display:grid;gap:5px;font-size:12px;color:#c2ccb8}.debrief li:before{content:'— ';color:#91b66f}.debrief small{font-size:11px;color:#9daa91;display:block;margin-top:9px}.rung-switch{display:flex;align-items:center;gap:10px;margin-top:11px;font-size:11px;color:#acb69f}.rung-switch button{font:12px var(--mono);padding:6px 10px}footer{background:#161b16;border-top:1px solid #38412f;display:flex;align-items:center;gap:15px;justify-content:space-between;padding:11px 25px;font:9px var(--mono);color:#a3ad96}footer>span:first-child{letter-spacing:.7px;white-space:nowrap}footer i{width:5px;height:5px;border-radius:50%;background:#c67b64;margin-right:6px}footer p{font-family:var(--ui);font-size:10px;color:#b0b7a7}.footer-right{font-size:8px;letter-spacing:.6px;color:#7e8d70;white-space:nowrap}[hidden]{display:none!important}@keyframes plant-in{from{opacity:0;filter:brightness(.25)}to{opacity:1;filter:brightness(1)}}@keyframes radio{from{transform:scaleY(.35)}to{transform:scaleY(1)}}@keyframes drawer{from{opacity:.2;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1500px){.workbench{min-height:650px}.plant{padding:32px}.rack{padding:30px}.machine-wrap{height:420px}.rung{padding:13px}.tag-name{font-size:16px}.io-row{padding:9px}.truth-lamps strong{font-size:16px}}@media(max-width:1100px){.edition,.scan{display:none}.topbar{padding:0 17px;gap:10px}.top-meta,.top-actions{gap:13px}.plant{padding:20px 17px 17px}.rack{padding:20px 13px 15px}.tag-name{font-size:14px;letter-spacing:-1px}.tool-strip{padding:0 12px}.tool-strip button{padding:11px 12px}.tool-strip kbd{display:none}.layer-grid{gap:5px}.layer{padding:4px 8px}.inspect-layout{grid-template-columns:160px 1fr;gap:10px}.align-layout{grid-template-columns:165px 1fr 210px}.proof-layout{grid-template-columns:155px 1fr 210px}}@media(max-width:899px){.topbar{height:60px;position:relative;gap:10px}.wordmark{font-size:16px;letter-spacing:1.4px}.mark{width:28px;height:29px;font-size:22px;line-height:25px}.top-meta{font-size:9px;gap:10px}.top-actions{gap:8px}.safety-short{display:none}.top-actions button{font-size:11px}.workbench{display:flex;flex-direction:column;min-height:0}.plant{padding:18px 18px 15px}.section-head{align-items:center}h1{font-size:29px}.machine-wrap{height:320px;margin-top:-4px}.truth-panel{margin-top:12px}.logic-tab{display:flex;border:0;border-top:1px solid #5d654d;border-bottom:1px solid #5d654d;border-radius:0;justify-content:space-between;align-items:center;background:#31392b;font:11px var(--mono);padding:12px 20px}.logic-tab #mobile-bit{font-size:14px;color:#dac28a}.rack{display:none;border-left:0;padding:20px;animation:drawer .2s ease}.logic-open .rack{display:block}.rung{padding:9px 14px}.tag-name{font-size:15px;letter-spacing:-.4px}.radio-strip{padding:13px 18px;gap:13px}.radio-strip p{font-size:12px}.radio-time{display:none}.tool-strip{padding:0 8px;display:grid;grid-template-columns:repeat(6,1fr);position:sticky;top:0;z-index:3}.tool-strip button{flex-direction:column;gap:4px;font-size:10px;padding:9px 3px 8px;justify-content:center}.tool-strip .test-tool{margin-left:0}.tool-icon{font-size:23px}.tool-body{padding:15px 18px;max-height:none;min-height:160px}.status-message{padding:0 18px 11px}.inspect-layout,.panel-row{display:flex;flex-direction:column;gap:13px}.tool-title h2{font-size:17px}.tool-title p{font-size:12px}.panel-row>.tool-title{width:auto}.layer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;width:100%}.layer{padding:4px 12px}.layer strong{font-size:15px}.layer small{font-size:12px}.tool-content{width:100%}.align-layout{grid-template-columns:1fr 1fr;gap:13px}.align-layout>.tool-title{grid-column:1/-1}.align-fields{min-width:0}.proof-layout{grid-template-columns:1fr 1fr;gap:14px}.proof-layout>.tool-title{grid-column:1/-1}.debrief{grid-template-columns:1fr;gap:14px}.debrief ol{font-size:13px}.stamp{max-width:none;font-size:18px}.debrief button{justify-self:start}.coach-layout{gap:15px;flex-wrap:wrap}.coach-layout blockquote{font-size:18px;flex:1}.coach-layout button{margin-left:0}.map-grid{gap:6px}.map-tag{padding:8px 6px}.map-tag strong{font-size:14px}.map-tag select{font-size:14px;padding:6px 2px}footer{padding:13px 18px;flex-wrap:wrap;gap:5px}.footer-right{display:none}footer p{font-size:11px;line-height:1.5}.io-heading span{font-size:9px}.rack-foot,.ladder-note,.rung-caption{font-size:12px}}@media(max-width:500px){.topbar{padding:0 12px}.top-meta{flex-direction:column;gap:3px;align-items:flex-start}.wordmark{gap:6px;font-size:14px}.top-actions button{padding:7px 8px}.plant{padding:16px 13px 14px}h1{font-size:27px}.eyebrow{font-size:9px}.call-number{font-size:8px;padding:6px}.machine-wrap{height:257px;margin-left:-10px;margin-right:-10px}.scene-note{font-size:8px;top:15px}.scene-scale{font-size:7px;bottom:8px}.zone-choices{gap:4px}.zone-choices button{padding:7px;font-size:13px}.zone-choices span{display:none}.plant-controls>button{font-size:11px}.truth-panel{padding:10px}.truth-lamps{gap:5px}.truth-lamps>div{padding-left:12px}.truth-lamps span{font-size:9px}.truth-lamps strong{font-size:12px}.truth-panel p{font-size:10px;line-height:1.5}.radio-strip{align-items:flex-start;padding:12px 13px;gap:10px}.radio-button{min-width:48px;padding-top:3px}.radio-button>span:last-child{display:none}.radio-strip p{font-size:12px}.tool-body{padding:14px 13px}.status-message{padding-left:13px;padding-right:13px}.rack{padding:18px 10px}.rung{padding:8px 5px}.tag-name{font-size:14px}.io-row{font-size:14px;grid-template-columns:85px 1fr 28px}.io-heading span{font-size:8px}.align-layout{grid-template-columns:1fr}.align-diagram{height:125px}.align-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px}.align-fields>button{grid-column:1/-1;justify-self:start}.proof-layout{grid-template-columns:1fr}.proof-action{padding-top:5px}.layer-grid{gap:10px}.map-grid{grid-template-columns:1fr}.map-tag{display:grid;grid-template-columns:1fr 1fr;gap:5px;align-items:center}.map-tag select{margin:0}.map-tag label{grid-column:1/-1}.terminals{gap:6px}.terminal{font-size:14px;padding:7px 9px}.force-controls select{width:100%}.coach-number{font-size:28px}.truth-heading .eyebrow{font-size:9px}.force-badge{font-size:9px}.tool-strip{position:sticky;top:0}.tool-strip button{font-size:9px;min-height:57px}.tool-strip button span:last-of-type{white-space:normal}footer{padding:11px 13px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Field-workbench refinement: readable evidence and ordinary, large controls. */
:root{--green:#acd98a;--muted:#b9c2b1;--line:#50594b}body{font-size:16px}button,button.quiet,select{min-height:48px;font-size:16px}button{border-radius:3px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline-width:3px}.topbar{height:auto;min-height:64px}.top-meta{font-size:12px}.edition{font-size:12px;max-width:90px}.radio-strip{padding:12px 24px}.radio-strip p{font-size:16px;max-width:1040px}.radio-button{min-width:120px;font-size:12px}.radio-button small,.radio-time{font-size:12px}.radio-time{display:none}.tool-strip{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));padding:0 16px;gap:1px;position:sticky;top:0;z-index:5;box-shadow:0 4px 8px #0003}.tool-strip button{font-size:16px;padding:14px 8px;justify-content:center;min-height:56px;white-space:normal}.tool-strip kbd,.tool-icon{display:none}.tool-strip .test-tool{margin-left:0;background:#353b2e}.tool-strip button[aria-pressed=true]{border-bottom-width:3px}.workbench{grid-template-columns:minmax(0,58fr) minmax(0,42fr);grid-template-areas:'plant rack' 'dock rack';min-height:0;align-items:start}.plant{grid-area:plant;padding:18px 24px}.rack{grid-area:rack;align-self:stretch;padding:20px 18px}.dock{grid-area:dock;min-width:0}.section-head{align-items:center}.section-head h1{font-size:26px;letter-spacing:-.5px;margin-top:5px}.eyebrow,.call-number{font-size:12px;letter-spacing:.5px}.machine-wrap{height:300px;margin:0 -12px;animation:none}.scene-note{font-size:12px;letter-spacing:0;top:8px}.zone-choices button{font-size:15px;min-height:48px}.zone-choices span{font-size:12px}.truth-panel{margin-top:12px;padding:12px}.truth-heading .eyebrow{font-size:12px}.truth-lamps{gap:8px}.truth-lamps span{font-size:14px}.truth-lamps strong{font-size:16px}.truth-panel p{font-size:14px;min-height:40px;line-height:1.5}.force-badge{font-size:12px}.rack h2{font-size:24px}.online{font-size:12px}.ladder-note,.rung-caption,.rack-foot{font-size:14px}.rung{padding:10px 8px}.rung-head{font-size:12px;letter-spacing:0}.tag-name{font-size:16px;letter-spacing:-.6px}.tag-bit{font-size:14px;height:22px}.contact{min-height:90px}.io-row{min-height:48px;font-size:16px;grid-template-columns:76px 1fr 30px}.io-row small,.io-heading h3{font-size:14px}.io-heading{gap:12px}.io-heading span{font-size:12px;max-width:190px;text-align:right}.io-bit{font-size:16px}.dock-heading{padding:14px 24px 0;display:flex;gap:14px;align-items:center;font-size:14px;color:var(--muted)}#back-to-machine{display:none}.tool-body{max-height:none;padding:20px 24px;scroll-margin-top:70px;outline:none}.inspect-layout,.panel-row{display:block}.tool-title h2{font-size:22px;letter-spacing:-.3px}.tool-title p{font-size:16px;line-height:1.5;margin-bottom:18px}.panel-row>.tool-title{width:auto}.layer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.layer{border:1px solid #57614f;padding:13px;background:#1c241c}.layer span{font-size:12px;letter-spacing:.3px}.layer strong{font-size:16px}.layer small{font-size:14px}.rung-switch{flex-wrap:wrap;font-size:14px;gap:8px}.rung-switch button{font-size:14px}.status-message{font-size:14px;padding:0 24px 18px}.map-tag strong{font-size:16px}.map-tag label{font-size:14px}.map-tag select{font-size:16px;min-height:48px}.terminals{display:grid;grid-template-columns:repeat(4,1fr)}.terminal{font-size:16px;min-height:48px;padding:12px;cursor:pointer;border-style:solid}.force-controls button,.force-list button,.force-warning{font-size:14px}.force-controls select{font-size:16px}.force-warning{line-height:1.6}.align-layout{grid-template-columns:1fr;gap:12px}.align-diagram{height:200px;border:1px solid #4d5846}.align-fields{display:block}.align-fields label{font-size:16px;margin-top:10px}.align-fields output{font-size:20px}.align-fields input{min-height:40px;margin:4px 0}.adjust-buttons{display:flex;gap:12px;margin-bottom:16px}.adjust-buttons button{flex:1;font-size:16px;min-height:48px}.align-fields>button{font-size:16px;min-height:48px}.proof-layout{grid-template-columns:1fr;gap:14px}.proof-step{font-size:16px;align-items:center}.proof-step b{font-size:14px;width:30px;height:30px;line-height:28px}.proof-action{margin-top:6px}.primary-action{font-size:16px;min-height:52px;white-space:normal}.proof-action p,.debrief ol{font-size:16px;line-height:1.55}.debrief{grid-template-columns:1fr;gap:20px}.debrief small,.coach-sub{font-size:14px}.coach-layout{flex-wrap:wrap;gap:16px}.coach-layout blockquote{font-size:20px}.stamp{transform:none}.logic-tab{font-size:16px;min-height:52px}.logic-tab #mobile-bit{font-size:14px}footer{font-size:12px;line-height:1.6;flex-wrap:wrap}footer p{font-size:14px}.footer-right{font-size:12px;white-space:normal}.plant{scroll-margin-top:65px}#plant-title{scroll-margin-top:80px}
@media(min-width:1500px){.machine-wrap{height:340px}.plant{padding:24px}.rack{padding:24px}.workbench{min-height:0}}
@media(max-width:1100px) and (min-width:900px){.workbench{grid-template-columns:minmax(0,54fr) minmax(0,46fr)}.plant{padding:16px}.tool-strip button{font-size:14px}.zone-choices span{display:none}.section-head{align-items:flex-start}.call-number{white-space:normal}.truth-lamps{grid-template-columns:repeat(2,1fr)}.rung{padding:10px 4px}.tag-name{font-size:14px}.radio-button{min-width:100px}.terminals{grid-template-columns:repeat(2,1fr)}}
@media(max-width:899px){.workbench{display:flex}.radio-strip{padding:12px 16px}.tool-strip{grid-template-columns:repeat(3,minmax(0,1fr));padding:0}.tool-strip button{font-size:14px;min-height:48px;padding:10px 6px;flex-direction:row}.plant{padding:16px;width:100%}.section-head h1{font-size:23px}.machine-wrap{height:270px}.rack,.dock{width:100%}.rack{padding:18px 12px}.logic-tab{width:100%;gap:10px;padding:12px 16px;flex-wrap:wrap}.tool-body{scroll-margin-top:110px;padding:18px 16px}.dock-heading{padding:14px 16px 0;align-items:flex-start}.dock-heading>span{flex:1}#back-to-machine{display:block;font-size:14px;flex-shrink:0}.plant-controls{flex-wrap:wrap}.zone-choices{flex:1}.zone-choices button{flex:1}.zone-choices span{display:inline}.truth-lamps{grid-template-columns:repeat(4,minmax(0,1fr))}.truth-panel p{min-height:0}.status-message{padding:0 16px 16px}.map-grid{grid-template-columns:1fr}.map-tag{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:8px;padding:12px}.map-tag label{grid-column:1/-1}.map-tag select{margin:0}.align-fields{display:block}.align-diagram{height:190px}#plant-title{scroll-margin-top:115px}.footer-right{display:block}}
@media(max-width:500px){.topbar{padding:8px 12px;gap:8px}.wordmark{font-size:15px;letter-spacing:.7px}.top-meta{font-size:12px}.top-actions button{font-size:14px;padding:8px}.radio-strip{padding:12px;gap:10px}.radio-button{min-width:44px}.radio-strip p{font-size:16px}.section-head{align-items:flex-start;gap:8px}.section-head h1{font-size:22px}.call-number{font-size:12px;white-space:normal;max-width:82px}.eyebrow{font-size:12px}.machine-wrap{height:230px}.scene-note{font-size:12px;max-width:260px}.plant{padding:14px 12px}.zone-choices{width:100%;flex-basis:100%}.zone-choices span{display:inline;font-size:12px;margin-left:3px}.zone-choices button{font-size:14px;padding:8px 6px}#stage-carton{width:100%}.truth-heading{flex-wrap:wrap;gap:6px}.truth-lamps{grid-template-columns:repeat(2,1fr);gap:12px}.truth-lamps span{font-size:14px}.truth-lamps strong{font-size:16px}.truth-lamps>div:nth-child(2){border-right:0}.truth-panel p{font-size:14px}.rung-head{font-size:12px}.tag-name{font-size:14px;letter-spacing:-.6px}.tag-bit{font-size:12px}.rung{padding:8px 3px}.io-heading{flex-wrap:wrap}.io-heading span{font-size:12px;text-align:left}.io-row{grid-template-columns:70px 1fr 26px;font-size:14px;gap:6px}.io-row small{font-size:14px}.layer-grid{grid-template-columns:1fr}.terminals{grid-template-columns:repeat(2,1fr)}.dock-heading{flex-wrap:wrap}.dock-heading>span{flex-basis:100%}.proof-action,.proof-action button{width:100%}.adjust-buttons{gap:8px}.adjust-buttons button{font-size:14px}.coach-layout blockquote{font-size:18px}footer{padding:14px 12px}.topbar .mark{display:none}}

/* PLCTrain is the brand; Line Call names the exercise. */
.wordmark{letter-spacing:.4px}.wordmark .mark{font-size:12px;letter-spacing:-.5px;line-height:32px;padding-left:3px}.wordmark .edition{letter-spacing:.7px}

/* The homepage uses the actual machine renderer in a passive, same-origin preview. */
html.line-call-embed, .line-call-embed body { height:100%; min-height:0; overflow:hidden; }
.line-call-embed .topbar, .line-call-embed .radio-strip, .line-call-embed .tool-strip, .line-call-embed footer, .line-call-embed .workbench > :not(.plant), .line-call-embed .plant-controls, .line-call-embed .scene-note { display:none!important; }
.line-call-embed main { margin:0; padding:0; max-width:none; }
.line-call-embed .workbench { display:block; margin:0; padding:0; min-height:0; }
.line-call-embed .plant { margin:0; border:0; border-radius:0; min-height:0; }
.line-call-embed .section-head { padding:16px; }
.line-call-embed .section-head h1 { font-size:22px; line-height:1.2; }
.line-call-embed .machine-wrap { height:230px!important; min-height:0; aspect-ratio:auto; }
.line-call-embed #plant-canvas { width:100%; height:100%; pointer-events:none; }
.line-call-embed .truth-panel { margin:0; padding:14px 16px; }
.line-call-embed .truth-lamps { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:8px; }
.line-call-embed .truth-lamps span, .line-call-embed .truth-lamps strong { font-size:14px; }
.line-call-embed #truth-explanation { margin-bottom:0; font-size:14px; }
@media(max-width:500px) { .line-call-embed .machine-wrap { height:180px!important; } .line-call-embed .truth-lamps { grid-template-columns:repeat(2,minmax(0,1fr)); } .line-call-embed .section-head h1 { font-size:20px; } }