/* Three-surface concept prototype. The physical device styles come from style.css. */
@font-face{font-family:caption-concept;src:url(/fonts/spleen-12x24.woff2) format("woff2");font-weight:400;font-display:swap}
:root{--paper:#f3f1ea;--ink:#292b26;--muted:#73776d;--line:#d9dcd1;--signal:#556b45;--surface:#faf9f5}
body.concept{background:var(--paper);font-size:14px}.concept button{color:inherit}.concept a{color:inherit;text-decoration:none}.concept button:focus-visible,.concept a:focus-visible{outline:2px solid var(--signal);outline-offset:5px}.concept [hidden]{display:none!important}
.concept .site-header{width:calc(100% - 96px);max-width:1440px;padding:28px 0;align-items:center}.wordmark{font-family:Georgia,serif;font-size:27px;letter-spacing:-1px}.site-header nav{display:flex;gap:8px}.site-header nav a{padding:12px 18px;font-size:12px;border-radius:30px;color:var(--muted)}.site-header nav a[aria-current]{background:#e3e7da;color:var(--signal)}.eyebrow,.stage-label,.demo-badge,.log-label{font:10px/1.6 ui-monospace,monospace;letter-spacing:.12em}.concept-main{display:block!important;width:calc(100% - 96px)!important;max-width:1440px;padding:0!important}.intro{display:flex;justify-content:space-between;align-items:flex-end;margin:48px 0 38px;gap:32px}.eyebrow{color:var(--signal);margin:0 0 18px}.intro h1{font:normal clamp(36px,4vw,60px)/1.08 Georgia,serif;letter-spacing:-2px}.intro>p{font-size:13px;line-height:1.8;color:var(--muted);margin:0 16px 4px 0}.device-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:48px}.scenario-panel{padding-top:24px}.scenario-list{display:grid;gap:8px}.scenario{width:100%;display:flex;align-items:center;text-align:left;gap:14px;border:1px solid transparent;background:transparent;padding:19px 14px;border-radius:8px}.scenario[aria-pressed=true]{background:#e5e8dc;border-color:#d3dac8}.scenario-symbol{font:30px Georgia}.scenario span:nth-child(2){flex:1}.scenario strong,.scenario small{display:block}.scenario strong{font-size:13px;font-weight:550}.scenario small{font-size:10px;margin-top:7px;color:var(--muted)}.context-note{display:flex;gap:12px;padding:24px 14px 30px}.tiny-dot{background:var(--signal);width:6px;height:6px;border-radius:50%;margin-top:18px;flex-shrink:0}.context-note p{font-size:12px;color:var(--muted);line-height:1.8}.text-link{font-size:11px;border-bottom:1px solid #a4ae98;padding-bottom:7px}.device-demo{background:#e7e6dd;border-radius:12px;padding:22px 30px 12px}.stage-label{display:flex;justify-content:space-between;color:#7b7c71;font-size:9px}.concept .screen-stage{background:transparent;padding:44px 20px 16px}.concept .device{width:min(100%,480px)}.touch-hint{text-align:center;font-size:10px;color:var(--muted);margin:16px 0 30px}.simple-controls{display:flex;gap:30px;border-top:1px solid #d0d2c5;padding-top:22px;align-items:center}.time-control{flex:1}.time-control label{display:flex;justify-content:space-between;font-size:11px;font-weight:450}.time-control output{font-family:ui-monospace,monospace}#moment{width:100%;margin:12px 0 4px}.range-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:10px}.range-labels button,.text-button{border:0;background:transparent;padding:0;font-size:10px}.presence-control{display:grid;gap:20px;padding-left:24px;border-left:1px solid #d0d2c5}.presence-label{display:flex;gap:8px;align-items:center;white-space:nowrap;font-size:11px}.live-note{font:10px/1.5 ui-monospace,monospace;color:var(--muted);margin:20px 0 0;min-height:15px}
.companion-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:50px;align-items:center;padding:12px 0 44px}.app-shelves>button{border:0;border-bottom:1px solid var(--line);background:transparent;display:flex;gap:18px;align-items:center;padding:25px 12px;width:100%;text-align:left}.app-shelves>button[aria-pressed=true]{background:#e5e8dc;border-radius:6px}.app-shelves>button>span{font:10px ui-monospace;color:var(--muted)}.app-shelves>button div{flex:1}.app-shelves strong{display:block;font-size:13px;font-weight:500}.app-shelves small{display:block;font-size:10px;color:var(--muted);margin-top:8px}.phone-stage{width:100%;max-width:600px;justify-self:center;display:flex;justify-content:center;background:#e7e6dd;border-radius:50% 50% 12px 12px;padding:24px}.phone{width:306px;height:622px;border:6px solid #343631;border-radius:43px;background:#f4f4f7;box-shadow:0 18px 30px #272c231c,0 0 0 2px #a9ada4;overflow:hidden;position:relative;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;display:flex;flex-direction:column;flex-shrink:0}.ios-status{height:52px;padding:12px 20px;display:flex;justify-content:space-between;align-items:center;font-size:11px;position:relative}.island{position:absolute;width:85px;height:24px;background:#181a17;border-radius:30px;left:50%;transform:translateX(-50%);top:9px}.phone-content{flex:1;padding:14px 18px;overflow:auto}.phone-content .ios-kicker{font-size:10px;color:#8c8c91;margin:0 0 8px}.phone-content h2{font-size:27px;letter-spacing:-1px;margin:0 0 8px;font-weight:700}.phone-content>p{font-size:11px;line-height:1.6;color:#84848a}.ios-card{background:white;border-radius:15px;padding:18px;margin:18px 0}.placeholder{height:7px;border-radius:5px;background:#e6e8e4;margin:10px 0}.placeholder.short{width:55%}.placeholder.medium{width:78%}.ios-card h3{font-size:12px;margin:10px 0}.ios-card p{font-size:10px;line-height:1.6;color:#8c8c91}.ios-card .ios-row{border-bottom:1px solid #ecece8;padding:13px 0;display:flex;align-items:center;gap:12px;font-size:11px}.ios-row:last-child{border:0}.ios-row span{flex:1}.ios-button{border:0;border-radius:10px;width:100%;padding:12px;background:#596e4e;color:white!important;font-size:11px;margin-top:12px}.qr-placeholder{width:104px;height:104px;margin:5px auto 16px;display:grid;place-items:center;border:1px dashed #9aa58f;border-radius:16px;font:56px/1 ui-monospace;color:#627653;background:#f0f3eb}.phone-tabs{display:flex;background:#fbfbfcee;border-top:1px solid #e1e2df;padding:12px 6px 16px}.phone-tabs button{flex:1;border:0;background:none;font-size:19px;color:#9a9d96!important}.phone-tabs button[aria-current]{color:var(--signal)!important}.phone-tabs small{display:block;font-size:8px;margin-top:4px}.home-indicator{height:4px;width:100px;border-radius:4px;background:#252722;position:absolute;bottom:6px;left:50%;transform:translateX(-50%)}.icon-choices{display:flex;gap:8px;justify-content:center;margin:16px 0}.icon-choices button{width:52px;height:52px;background:#f0f3eb;border:1px solid #dde2d5;border-radius:12px;font-size:28px}.icon-choices button[aria-pressed=true]{border-color:#596e4e;background:#dfe7d6}.icon-preview{text-align:center;font-size:74px;padding:10px}
.workshop-layout{display:grid;grid-template-columns:1.65fr 1fr;gap:24px;margin-bottom:28px}.flash-panel{padding:28px;background:#fafbf7;border:1px solid var(--line);border-radius:10px}.panel-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.panel-top .eyebrow{margin:0}.demo-badge{font-size:8px;background:#ebece5;padding:5px 9px;border-radius:20px;color:#797c72}.flash-steps{display:flex;list-style:none;padding:0;margin:30px 0;border-bottom:1px solid var(--line)}.flash-steps li{flex:1;padding:0 0 15px;color:#93988b;font:11px ui-monospace}.flash-steps li span{margin-left:10px}.flash-steps [aria-current]{color:var(--signal);border-bottom:2px solid var(--signal)}.board-row{display:flex;align-items:center;gap:18px;margin:24px 0 32px}.board-row h2{font-size:14px}.board-row p{font-size:11px;color:var(--muted)}.board-icon{background:#586a4b;color:#e3e7dd;padding:10px 13px;border:3px dotted #c4c7b9;font:9px ui-monospace;border-radius:5px}.board-icon strong{font-size:21px}.board-row button{margin-left:auto}.secondary-button,.primary-button{padding:12px 18px;border:1px solid #cbd2c1;border-radius:5px;background:transparent;font-size:11px}.primary-button{background:var(--signal);color:#fff!important;border-color:var(--signal)}.field-label{display:block;font-size:11px;font-weight:500;margin:20px 0 10px}.concept select{min-height:44px;border:1px solid var(--line);border-radius:5px;background:#fff;font-size:12px;padding:10px}.firmware-summary{display:flex;gap:24px;padding:24px 0}.firmware-summary span{font:8px ui-monospace;color:var(--muted);flex:1}.firmware-summary strong{display:block;margin-top:9px;font:11px system-ui;color:var(--ink);overflow-wrap:anywhere}.flash-log{background:#272d24;color:#d2ddc7;padding:20px;border-radius:6px;margin-top:24px;font:11px/1.9 ui-monospace}.log-label{font-size:8px;color:#a2b297}.flash-log progress{width:100%;height:4px;accent-color:#b5cb9e}.muted{font-size:10px;line-height:1.7;color:var(--muted)}#flash-review{border-top:1px solid var(--line);margin-top:20px;padding-top:12px}#flash-review p{font-size:11px;line-height:1.7;color:var(--muted)}.concept h3{font-size:13px;font-weight:500}.ai-panel{background:#e6e9de;border-radius:10px;padding:30px}.ai-mark{font-size:48px;margin:18px 0;color:#657953}.ai-panel>p{font-size:12px;line-height:1.8;color:#747d6a}.ai-panel textarea{width:100%;resize:vertical;min-height:80px;padding:12px;border:1px solid #cbd2c1;border-radius:5px;background:#f6f7f2;font:11px/1.7 system-ui;color:var(--ink)}.ai-panel fieldset{border:0;padding:0;margin:20px 0;font-size:11px}.ai-panel legend{font-size:10px;margin-bottom:12px}.ai-panel fieldset label{display:flex;gap:8px;align-items:center;font-size:11px;font-weight:400;margin:9px 0}.ai-panel .muted{font-size:9px}#build-brief{border-top:1px solid #cbd2c1;padding-top:16px;margin-top:20px}#brief-text{font-size:11px;line-height:1.8;white-space:pre-wrap}
@media(min-width:1500px){.device-layout{grid-template-columns:320px minmax(0,1fr);gap:90px}.concept .device{width:520px}}
@media(max-width:1100px){.concept .site-header,.concept-main{width:calc(100% - 48px)!important;}.companion-layout{gap:24px;grid-template-columns:250px minmax(0,1fr)}.device-layout{gap:24px;grid-template-columns:250px minmax(0,1fr)}.intro h1{font-size:46px}.board-row{flex-wrap:wrap}.board-row button{margin-left:0}.workshop-layout{grid-template-columns:1.3fr 1fr}}
@media(max-width:760px){.concept .site-header,.concept-main{width:calc(100% - 32px)!important;}.app-shelves .eyebrow{display:none}.concept .site-header{flex-direction:column;align-items:flex-start;gap:20px;padding:22px 0}.site-header nav{width:100%;justify-content:space-between}.site-header nav a{padding:10px 12px;font-size:11px}.intro{margin:30px 0;display:block}.intro h1{font-size:40px}.intro>p{margin:20px 0 0;font-size:12px}.device-layout,.workshop-layout{grid-template-columns:1fr;gap:24px}.scenario-panel{padding:0}.scenario-list{display:flex;gap:6px}.scenario{padding:12px 8px;display:block;flex:1}.scenario small{line-height:1.5;font-size:9px}.scenario strong{font-size:11px}.scenario-symbol,.scenario>span:last-child{display:none}.context-note{padding:4px 0}.scenario-panel .text-link{display:none}.device-demo{padding:18px}.stage-label{font-size:7px}.concept .screen-stage{padding:34px 14px 16px}.simple-controls{gap:14px}.presence-control{padding-left:14px}.presence-label{font-size:10px}.companion-layout{display:flex;flex-direction:column;gap:26px;padding-top:0}.app-shelves{width:100%}.app-shelves{display:grid;grid-template-columns:1fr 1fr;gap:5px}.app-shelves>button{padding:12px 8px;gap:8px}.app-shelves small{font-size:9px;line-height:1.5}.app-shelves strong{font-size:11px}.app-shelves>button>span{display:none}.phone-stage{width:100%;padding:24px 10px}.flash-panel,.ai-panel{padding:22px}.firmware-summary{gap:12px}.phone{width:294px;height:610px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

.scenario-symbol svg{display:block;width:26px;height:26px;stroke-width:1.2}
@media(max-width:760px){.phone{width:min(294px,100%)}}

.ai-panel h2{font:normal 32px/1.15 Georgia,serif;letter-spacing:-.8px}
h1:focus{outline:none}

/* Each route is a viewport-sized workspace; controls stay beside the preview. */
body.concept{height:100dvh;overflow:hidden;display:flex;flex-direction:column}
.concept .site-header{flex:none;padding:16px 0;flex-direction:row;gap:16px}
.wordmark{font:600 24px/1 system-ui,sans-serif;letter-spacing:.16em}
.concept-main{flex:1;min-height:0;padding-bottom:max(16px,env(safe-area-inset-bottom))!important}
.page{height:100%;min-height:0;display:flex;flex-direction:column;gap:20px}
.intro{flex:none;margin:20px 0 0;gap:20px}
.intro .eyebrow{margin-bottom:8px}
.intro h1{font-size:clamp(28px,4.5dvh,50px)}
.intro>p{margin:0}
.device-layout,.companion-layout,.workshop-layout{flex:1;min-height:0;margin:0;padding:0}
.device-layout,.companion-layout{grid-template-columns:280px minmax(0,1fr);gap:28px}
.scenario-panel,.app-shelves{padding-top:12px}
.scenario{padding:16px 12px}
.context-note{padding:12px}
.device-demo{min-height:0;display:flex;flex-direction:column;padding:18px 24px 12px}
.concept .screen-stage{flex:1;min-height:0;container-type:size;padding:16px;}
.concept .device{width:min(100%,480px,calc((100cqh - 24px) * 115 / 94))}
.touch-hint{margin:6px 0 16px}
.simple-controls{flex:none;padding-top:12px}
.live-note{margin-top:12px}
.companion-layout{align-items:stretch}
.app-shelves>button{min-height:74px;padding:16px 12px;border:1px solid transparent;border-radius:8px;gap:14px;margin-bottom:8px}
.app-shelves>button[aria-pressed=true]{border-color:#d3dac8;border-radius:8px}
.app-shelves>button>span{width:26px;text-align:center;flex:none}
.app-shelves small{margin-top:7px}
.phone-stage{height:100%;min-height:0;max-width:none;padding:18px 24px 12px;display:flex;flex-direction:column;align-items:stretch;border-radius:12px}
.phone-preview{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:16px 0 6px}
.phone{height:100%;max-height:622px;width:auto;aspect-ratio:306 / 622;max-width:100%;min-height:0;border-radius:32px}
.ios-status{height:38px;flex:none;padding:10px 18px}
.island{height:20px;top:6px;width:72px}
.phone-content{min-height:0;overflow:hidden;padding:10px 16px;display:flex;flex-direction:column;justify-content:center}
.phone-content h2{font-size:23px;flex:none}
.phone-content>p{margin:4px 0;flex:none}
.ios-card{padding:12px;margin:10px 0;flex-shrink:0}
.phone-content>.ios-card:last-of-type{display:none}
.phone-content>.ios-card:first-of-type{display:block}
.phone-content>.ios-kicker:has(+.ios-card:last-child){display:none}
.qr-placeholder{width:76px;height:76px;font-size:44px;margin:0 auto 10px}
.phone-tabs{flex:none;padding:8px 4px 16px}
.workshop-tabs{display:none}
.flash-panel,.ai-panel{min-height:0;padding:20px}
.flash-steps{margin:16px 0}
.board-row{margin:16px 0;gap:12px}
.field-label{margin:12px 0 6px}
.firmware-summary{padding:16px 0}
.flash-log{padding:12px;margin-top:16px}
.flash-log p{margin:6px 0}
#flash-review{margin-top:12px}
.ai-mark{font-size:30px;margin:8px 0}
.ai-panel h2{font-size:28px}
.ai-panel>p{font-size:11px;line-height:1.6;margin:10px 0}
.ai-panel textarea{resize:none;min-height:64px;height:64px}
.ai-panel fieldset{margin:12px 0}
.ai-panel legend{margin-bottom:6px}
#build-brief{margin-top:12px;padding-top:12px}
#brief-text{overflow-wrap:anywhere}
@media(max-width:1000px),(max-height:760px){
  .workshop-tabs{display:flex;gap:8px;flex:none}
  .workshop-tabs button{border:1px solid var(--line);background:transparent;border-radius:20px;padding:9px 16px;font-size:11px}
  .workshop-tabs button[aria-pressed=true]{background:#e3e7da;color:var(--signal)}
  .workshop-layout{display:block}
  .workshop-layout[data-tool=flash] .ai-panel,.workshop-layout[data-tool=build] .flash-panel{display:none}
  .flash-panel,.ai-panel{height:100%;max-width:800px;margin:auto}
  .ai-panel .ai-mark{display:none}
  .ai-panel h2 br{display:none}
}
@media(max-width:760px){
  .concept .site-header,.concept-main{width:calc(100% - 32px)!important}
  .concept .site-header{padding:12px 0;align-items:center}
  .wordmark{font-size:19px}
  .site-header nav{width:auto;gap:0}
  .site-header nav a{font-size:10px;padding:9px 8px}
  .page{gap:12px}
  .intro{margin:12px 0 0}
  .intro h1{font-size:clamp(24px,4dvh,36px);letter-spacing:-1px}
  .intro>p{display:none}
  .intro .eyebrow{font-size:8px;margin-bottom:6px}
  .device-layout{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);gap:12px}
  .scenario-panel{padding:0}
  .scenario-panel>.eyebrow,.context-note{display:none}
  .scenario{padding:10px 6px}
  .scenario small{font-size:9px;margin-top:4px}
  .device-demo{padding:12px}
  .concept .screen-stage{padding:12px}
  .touch-hint{margin:2px 0 10px;font-size:9px}
  .simple-controls{padding-top:8px;gap:12px}
  .presence-control{gap:12px;padding-left:12px}
  .live-note{font-size:8px;margin-top:8px}
  .companion-layout{display:flex;padding:0;gap:0}
  .app-shelves{display:none}
  .phone-stage{flex:1;padding:12px}
  .phone-preview{padding:12px 0 0}
  .phone{width:min(306px,100%);aspect-ratio:auto}
  .flash-panel,.ai-panel{padding:14px}
  .board-row{flex-wrap:nowrap;gap:8px}
  .board-icon{padding:6px}
  .board-row h2{font-size:12px}
  .board-row p{font-size:10px}
  .board-row button{margin-left:auto;max-width:130px}
  .secondary-button,.primary-button{padding:10px 12px}
  .firmware-summary{gap:12px}
}
@media(max-height:660px){
  .concept .site-header{padding:8px 0}
  .page{gap:10px}
  .intro{margin-top:8px}
  .intro h1{font-size:26px}
  .intro h1 br{display:none}
  .intro .eyebrow{display:none}
  .scenario{padding:10px}
  .context-note{display:none}
  .phone-content h2{font-size:21px}
  .phone-content{padding:8px 14px}
  .phone-content .placeholder{display:none}
  .ios-card{margin:6px 0;padding:10px}
  .ios-card h3{margin:6px 0}
  .qr-placeholder{width:48px;height:48px;font-size:32px;margin-bottom:6px}
  .icon-preview{font-size:40px;padding:0}
  .icon-choices{margin:8px 0}
  .icon-choices button{width:40px;height:40px;font-size:22px}
  .flash-steps{margin:10px 0}
  .flash-steps li{padding-bottom:8px}
  .board-row{margin:8px 0}
  .firmware-summary{padding:10px 0}
  .flash-log{margin-top:10px;padding:8px 12px}
  .flash-panel>.muted{margin:6px 0}
  .ai-panel>p{margin:6px 0}
}
@media(max-height:500px) and (min-width:600px){
  .intro{display:none}
  .device-layout{grid-template-columns:220px minmax(0,1fr);grid-template-rows:minmax(0,1fr);gap:28px}
  .scenario-list{display:grid}
  .scenario{display:flex;padding:10px}
  .scenario-panel .eyebrow,.touch-hint{display:none}
  .companion-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px}
  .app-shelves{display:block;width:auto}
  .app-shelves>button{min-height:0;margin-bottom:8px}
  .app-shelves>button{padding:12px 8px}
  .phone{width:min(360px,100%);border-radius:24px}
  .phone-stage{padding:12px}
  .phone-preview{padding:8px 0 0}
  .ios-status{height:28px;padding:4px 14px}
  .island{height:16px;top:4px}
  .phone-content{padding:6px 12px}
  .phone-content>.ios-kicker,.phone-content>p{display:none}
  .phone-content h2{font-size:18px;margin-bottom:2px}
  .phone-content .ios-card{padding:8px;margin:2px 0}
  .qr-placeholder{display:none}
  .ios-card p{margin:4px 0}
  .ios-button{padding:8px;margin-top:6px}
  .phone-tabs{padding:4px 4px 12px}
  .phone-tabs button{font-size:15px}
  .workshop-tabs{position:absolute;top:12px;left:50%;transform:translateX(-50%)}
  .site-header:has(~main #firmware-page:not([hidden])) .wordmark{visibility:hidden}
  .flash-panel{display:grid;grid-template-columns:1fr 1fr;column-gap:20px}
  .panel-top,.flash-steps{grid-column:1/-1}
  .flash-steps{margin:6px 0}
  #firmware-config,#flash-review{grid-column:1;grid-row:3/6}
  .flash-log{grid-column:2;align-self:start}
  .flash-panel>.muted{grid-column:2}
  .firmware-summary{display:none}
  .board-icon{display:none}
  .ai-panel>h2,.ai-panel>p{display:none}
  #brief-config{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}
  #brief-config>.field-label,#brief-config>textarea{grid-column:1}
  #brief-config>fieldset{grid-column:2;grid-row:1/4;margin:0}
  #brief-config>.secondary-button{grid-column:1}
  #brief-config>.muted{grid-column:2;margin:0}
}

@media(max-height:760px){
  .phone{width:min(306px,100%);aspect-ratio:auto}
  .phone-content .placeholder{display:none}
  .ios-card{margin:6px 0;padding:10px}
  .qr-placeholder{width:48px;height:48px;font-size:32px;margin-bottom:6px}
  .icon-preview{font-size:40px;padding:0}
  .icon-choices{margin:8px 0}
  .icon-choices button{width:40px;height:40px;font-size:22px}
  .flash-steps{margin:10px 0}
  .board-row{margin:10px 0}
  .firmware-summary{padding:10px 0}
  .flash-log{padding:8px 12px;margin-top:10px;font-size:10px;line-height:1.5}
}
@media(max-width:599px) and (max-height:700px){
  .flash-panel,.ai-panel{padding:12px}
  .board-icon,.firmware-summary,.ai-mark{display:none}
  .board-row{margin:10px 0;align-items:center}
  .board-row p{margin:4px 0}
  .board-row button{font-size:10px;padding:8px;max-width:110px}
  .flash-panel .field-label{margin:10px 0 4px}
  .concept select{min-height:36px;padding:7px;font-size:11px}
  .flash-log{margin-top:10px}
  .ai-panel h2{font-size:23px}
  .ai-panel h2 br{display:none}
  .ai-panel>p{font-size:10px;line-height:1.5;margin:8px 0}
  .ai-panel textarea{height:56px;min-height:56px;padding:8px;line-height:1.4}
  .ai-panel fieldset{margin:8px 0}
  .ai-panel fieldset label{margin:6px 0}
  .ai-panel legend{margin-bottom:2px}
  .ai-panel .field-label{margin:8px 0 4px}
  #brief-text{font-size:10px;line-height:1.5}
  #flash-review p{font-size:10px;line-height:1.5}
}
@media(max-width:599px) and (max-height:700px){
  #flash-review{margin-top:4px;padding-top:6px}
  #flash-review h3{margin:8px 0}
  #flash-review p{margin:6px 0}
  .ai-panel fieldset label{margin:4px 0}
  .ai-panel .muted{margin:6px 0}
}
.flash-panel:has(#firmware-source option[value=custom]:checked) .firmware-summary{display:none}
#custom-upload input{max-width:100%;font-size:11px}
#custom-upload .muted{margin:6px 0}
#brief-text{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:7;overflow:hidden}
@media(max-height:760px){
  .flash-panel:has(#firmware-source option[value=custom]:checked) .board-row{margin:6px 0}
  #custom-upload .field-label{margin:8px 0 4px}
  #custom-upload .muted{font-size:9px;line-height:1.4}
}
@media(max-height:760px){
  .flash-panel:has(#firmware-source option[value=custom]:checked)> .muted,
  #custom-upload .muted{display:none}
}
@media(max-width:599px) and (max-height:700px){
  .flash-panel:has(#firmware-source option[value=custom]:checked) label[for=firmware-source]{display:none}
  .flash-panel:has(#firmware-source option[value=custom]:checked) .board-row h2{display:none}
}

/* Mobile keeps the same selector row above either product preview. */
@media(max-width:760px) and (min-height:501px){
  .companion-layout{display:grid;grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);gap:12px}
  .app-shelves{display:flex;gap:6px;padding:0}
  .app-shelves>button{flex:1;min-width:0;min-height:52px;margin:0;padding:10px 4px;display:block;text-align:center;font-size:0}
  .app-shelves>button>span,.app-shelves small{display:none}
  .app-shelves strong{font-size:10px;line-height:1.5}
  .app-shelves .eyebrow{display:none}
  .scenario{min-height:52px;text-align:center}
  .scenario small{display:none}
}
.phone-preview{container-type:size}
@container (max-height:500px){
  .phone{width:min(306px,100%);aspect-ratio:auto}
  .phone-content .placeholder{display:none}
  .ios-card{padding:10px;margin:6px 0}
  .qr-placeholder{width:48px;height:48px;font-size:32px;margin-bottom:6px}
  .icon-preview{font-size:40px;padding:0}
  .icon-choices{margin:8px 0}
  .icon-choices button{width:40px;height:40px;font-size:22px}
}
@container (max-height:410px){
  .phone-content>.ios-kicker,.phone-content>p{display:none}
  .phone-content h2{font-size:20px;margin-bottom:4px}
  .qr-placeholder{display:none}
  .ios-card p{margin:4px 0}
  .ios-card .ios-row{padding:8px 0}
  .ios-button{padding:9px;margin-top:6px}
}
@container (max-height:300px){
  .icon-preview{font-size:28px}
  .icon-choices{margin:4px 0}
  .icon-choices button{height:32px;width:32px;font-size:20px}
}
@media(max-height:500px) and (min-width:600px){
  .companion-layout{grid-template-rows:minmax(0,1fr)}
  .app-shelves{min-height:0;padding:0}
  .app-shelves>.eyebrow{display:none}
  .app-shelves>button{padding:12px 8px;min-height:0}
  .app-shelves strong{font-size:11px}
  .app-shelves small{font-size:9px;white-space:nowrap}
}
@container (max-height:300px){
  .phone-content h2{font-size:18px;margin-bottom:2px}
  .ios-card h3{margin:4px 0}
  .ios-card p{line-height:1.4}
}