:root {
  --blue:#153e68;--navy:#102f50;--ink:#182635;--muted:#536779;--line:#d1dde7;--paper:#fff;--ground:#f2f5f8;--pale:#e8f0f7;
  --orange:#a44b00;--orange-pale:#fff3e6;--red:#b42332;--red-pale:#fff0f1;--green:#196448;--green-pale:#eaf5ef;
  --font:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;--mono:Consolas,"SFMono-Regular",monospace;
  --text:16px;--small:12px;--title:24px;--display:32px;--radius:4px;--radius-panel:8px;--radius-card:12px;
  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s6:24px;--s8:32px;--s12:48px;--fast:200ms;--slow:360ms;
  --app-screen-width:375px;--app-screen-height:812px;--phone-bezel:12px;--phone-outer-radius:60px;--app-screen-radius:48px;
  --phone-safe-top:59px;--phone-safe-bottom:34px;--phone-system-fg:#111214;--app-screen-bg:#f2f5f8;--phone-stage-bg:#e9ebee;
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{min-height:100dvh;display:grid;place-items:center;padding:32px;background:radial-gradient(circle at 50% 16%,#ffffffeb,transparent 34%),var(--phone-stage-bg);font:var(--text)/1.65 var(--font);color:var(--ink)}
button,input,select{font:inherit}button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--orange);outline-offset:3px}button{border:0}a{color:var(--blue);text-decoration:none}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--font);line-height:1.4}h1{font-size:var(--title);color:var(--blue);font-weight:800}h2{font-size:20px}h3{font-size:18px}p{overflow-wrap:anywhere}small{font-size:var(--small)}img{max-width:100%}svg{vertical-align:middle}.od-icon{--od-icon-size:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.muted{color:var(--muted)}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.eyebrow{font:12px/1.6 var(--mono);letter-spacing:1px;color:var(--muted)}.tiny{font-size:var(--small);line-height:1.65;color:var(--muted)}.nowrap{white-space:nowrap}.gap{margin-top:var(--s4)}.gap-large{margin-top:var(--s6)}[hidden]{display:none!important}.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}
.app-shell{position:relative;width:calc(var(--app-screen-width) + var(--phone-bezel)*2);height:calc(var(--app-screen-height) + var(--phone-bezel)*2);padding:var(--phone-bezel);border-radius:var(--phone-outer-radius);background:linear-gradient(145deg,#ffffff2e,transparent 17%),linear-gradient(160deg,#3a3a3d 0%,#1d1d20 47%,#09090b 100%);box-shadow:inset 0 0 0 1px #ffffff21,inset 0 0 0 2px #000e,0 34px 70px -20px #0009,0 12px 28px -12px #0006;isolation:isolate}
.app-shell:before,.app-shell:after{content:"";position:absolute;z-index:-1;top:102px;bottom:102px;width:3px;border-radius:3px;background:linear-gradient(to bottom,transparent,#ffffff21 12%,transparent 22%,transparent 78%,#ffffff14 90%,transparent)}.app-shell:before{left:-1px}.app-shell:after{right:-1px}.hardware-button{position:absolute;width:4px;border-radius:3px;background:linear-gradient(90deg,#050506,#242428 58%,#08080a);box-shadow:inset 0 1px #ffffff14}.hardware-button.silent{left:-3px;top:175px;height:34px}.hardware-button.volume-up{left:-3px;top:225px;height:62px}.hardware-button.volume-down{left:-3px;top:299px;height:62px}.hardware-button.power{right:-3px;top:252px;height:104px}
.app-screen{position:relative;width:var(--app-screen-width);height:var(--app-screen-height);overflow:hidden;border-radius:var(--app-screen-radius);background:var(--app-screen-bg);box-shadow:inset 0 0 0 1px #ffffff0f}.app-content{position:absolute;inset:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-top:var(--phone-safe-top);padding-bottom:var(--phone-safe-bottom);background:var(--app-screen-bg)}.app-content::-webkit-scrollbar{display:none}
.dynamic-island{position:absolute;z-index:40;top:11px;left:50%;width:126px;height:37px;transform:translateX(-50%);border-radius:999px;background:#000;box-shadow:inset 0 -1px 1px #ffffff0d;pointer-events:none}.status-bar{position:absolute;z-index:35;top:0;left:0;right:0;height:var(--phone-safe-top);display:flex;align-items:flex-start;justify-content:space-between;padding:18px 27px 0;color:var(--phone-system-fg);font-size:15px;font-weight:650;letter-spacing:-.01em;pointer-events:none}.status-icons{display:inline-flex;align-items:center;gap:6px}.status-icons svg{display:block;width:17px;height:11px;fill:currentColor}.status-icons .battery{width:25px}.home-indicator{position:absolute;z-index:40;left:50%;bottom:8px;width:134px;height:5px;transform:translateX(-50%);border-radius:999px;background:var(--phone-system-fg);opacity:.9;pointer-events:none}
.app{height:100%;min-height:0}.app-header{padding:12px 16px;border-bottom:1px solid var(--line);background:var(--paper)}.brand{gap:12px;color:var(--blue)}.brand strong{font-size:15px;letter-spacing:.5px;line-height:1.5}.brand small{font-size:12px;color:var(--muted)}.brand-monogram{display:grid;place-items:center;width:36px;height:40px;border:2px solid var(--blue);border-radius:3px;font-family:serif;font-size:24px;font-weight:700;flex:none}.topline{display:flex;align-items:center;gap:8px}.topline h1{font-size:18px;flex:1}.topline .icon-button{background:transparent}.screen-code{font-size:12px;color:var(--muted)}
.view{padding:20px 16px 24px;scroll-behavior:smooth;scrollbar-width:none}.view::-webkit-scrollbar{display:none}.view:focus{outline:none}.view.home{padding-top:0}.view h1{margin:8px 0}.intro{padding:24px 0 0}.intro h1{font-size:32px;line-height:1.35;letter-spacing:1px;margin:12px 0;color:var(--navy)}.intro p{font-size:16px;letter-spacing:1px;color:var(--muted)}.open-label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--orange)}.open-label:before{content:"";width:6px;height:6px;display:block;background:var(--orange);border-radius:50%}.serial{display:flex;justify-content:space-between;gap:8px;font:12px/1.6 var(--mono);color:var(--muted);padding-bottom:8px;border-bottom:1px solid var(--line)}
.hero-drawing{position:relative;background-image:linear-gradient(#153e6809 1px,transparent 1px),linear-gradient(90deg,#153e6809 1px,transparent 1px);background-size:20px 20px;margin:20px 0 0;border-block:1px solid var(--line)}.hero-drawing svg{display:block;width:100%;height:auto;aspect-ratio:344/164}.art-caption{display:flex;justify-content:space-between;font:12px var(--mono);color:var(--muted);padding:8px 0}.hero-stamp{position:absolute;right:4px;bottom:12px;width:72px;height:72px;display:grid;place-items:center;border:3px double var(--red);border-radius:50%;color:var(--red);font:700 12px/1.5 var(--font);text-align:center;transform:rotate(-13deg);background:#f2f5f8cc}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:16px;border:1px solid var(--line);background:#fff}.stat{padding:12px 8px;text-align:center;border-right:1px solid var(--line);gap:4px}.stat:last-child{border:0}.stat strong{font:700 clamp(19px,5.5vw,24px)/1.3 var(--mono);color:var(--blue)}.stat small{font-size:12px;color:var(--muted)}.home-data-note{margin-top:8px;font-size:12px;color:var(--muted)}.scroll-hint{display:flex;align-items:center;justify-content:center;gap:8px;font-size:12px;color:var(--muted);margin:20px 0}.section-heading{font-size:20px;color:var(--blue);margin:8px 0 16px}.panel{padding:20px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-panel)}.section{margin-top:28px}.service-row{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}.service-row:last-child{border:0;padding-bottom:0}.service-row .number{color:var(--blue);font:16px var(--mono);padding-top:4px}.service-row strong{display:block;font-size:16px}.service-row small{display:block;color:var(--muted);margin-top:4px}.preview-card{width:100%;height:auto;aspect-ratio:1.6;display:block;box-shadow:0 8px 20px #153e681f;border-radius:12px}
.dock{padding:12px 16px 8px;background:var(--paper);border-top:1px solid var(--line)}.dock-buttons{display:flex;gap:8px;align-items:stretch}.dock-buttons>.button{flex:1}.dock .button{width:100%}.dock .back-action{flex:0 0 52px;min-width:52px;padding:8px}.dock-note{text-align:center;font-size:12px;line-height:1.5;color:var(--muted);margin-top:8px}.dock-links{display:flex;justify-content:center;gap:8px;margin:0 0 8px}.link-button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:8px 12px;color:var(--blue);background:transparent;font-size:12px}.button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;border:1px solid #a9bece;background:#fff;color:var(--blue);border-radius:var(--radius);padding:12px 16px;font-weight:700;font-size:16px;line-height:1.4;white-space:nowrap;transition:opacity var(--fast)}.button.primary{background:var(--blue);border-color:var(--blue);color:#fff}.button.danger{color:var(--red);border-color:#d8a5ac}.button.full{width:100%}.button:active,.option:active,.link-button:active{opacity:.7}.icon-button{display:grid;place-items:center;min-width:44px;min-height:44px;background:#fff;color:var(--blue);border:1px solid transparent;border-radius:4px}.tag{display:inline-flex;align-items:center;min-height:24px;border:1px solid #b2c5d5;padding:0 8px;font-size:12px;color:var(--blue);background:var(--pale)}.tag.orange{color:var(--orange);border-color:#e7bf96;background:var(--orange-pale)}.disclaimer{font-size:12px;color:var(--muted);line-height:1.7;margin-top:24px;border-top:1px solid var(--line);padding-top:16px}
.progress-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:8px}.progress{height:4px;background:var(--line);margin-bottom:24px}.progress span{display:block;width:100%;height:100%;transform:scaleX(var(--progress,.2));transform-origin:left;background:var(--blue)}.page-intro{font-size:16px;color:var(--muted);margin:8px 0 24px}.field{display:grid;gap:8px;margin:20px 0}.field>label,.field>legend{font-size:16px;font-weight:700}.field:first-child{margin-top:0}fieldset{border:0;padding:0;min-width:0}input[type=text],input[type=date],select{display:block;width:100%;min-height:52px;border:1px solid #9db4c6;border-radius:4px;padding:12px;background:white;color:var(--ink);font-size:16px}input[aria-invalid=true]{border-color:var(--red)}.field-help{font-size:12px;line-height:1.7;color:var(--muted)}.error{font-size:14px;color:var(--red);line-height:1.6}.error:empty{display:none}.option-list{display:grid;gap:8px}.option{display:flex;align-items:center;gap:12px;min-height:60px;padding:12px 16px;background:#fff;border:1px solid #b2c5d5;border-radius:8px;text-align:left;color:var(--ink);font-size:16px}.option .symbol{display:grid;place-items:center;min-width:32px;height:32px;border:1px solid #becfdd;color:var(--blue);font:14px var(--mono)}.option strong{font-weight:500;display:block}.option small{display:block;margin-top:4px;font-size:12px;color:var(--muted)}.option[aria-pressed=true]{border:2px solid var(--blue);padding:11px 15px;background:var(--pale)}.option[aria-pressed=true] .symbol{background:var(--blue);border-color:var(--blue);color:#fff}.option.correct{background:var(--green-pale);border-color:var(--green)}.option.wrong{background:var(--red-pale);border-color:var(--red)}.notice{display:flex;align-items:flex-start;gap:8px;padding:12px 16px;font-size:14px;line-height:1.7;background:var(--pale);color:var(--blue);border:1px solid #c5d7e5}.notice .od-icon{margin-top:2px}.notice.warn{color:var(--orange);border-color:#e9c7a6;background:var(--orange-pale)}.notice.good{color:var(--green);border-color:#b7d8c6;background:var(--green-pale)}.notice.bad{color:var(--red);border-color:#e2b6bb;background:var(--red-pale)}.help-disclosure{margin-top:20px}.help-disclosure summary{cursor:pointer;min-height:44px;display:flex;align-items:center;color:var(--blue);font-size:14px}.help-disclosure p{font-size:14px;color:var(--muted);margin:8px 0}.vision{padding:16px 0;margin:8px 0 20px}.vision svg{display:block;width:100%;height:auto;aspect-ratio:320/200}.range-value{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.range-value strong{font:32px var(--mono);color:var(--blue)}input[type=range]{width:100%;display:block;min-height:44px;accent-color:var(--blue)}.range-labels{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.photo-wrap{display:grid;grid-template-columns:120px minmax(0,1fr);gap:16px;margin:20px 0}.photo-canvas{display:block;width:120px;height:auto;aspect-ratio:3/4;border:1px solid var(--line);background:var(--pale)}.photo-actions{display:grid;gap:8px;align-content:center}.photo-actions .button{padding:10px 8px;font-size:14px}.file-input{position:absolute;width:1px;height:1px;opacity:0}.photo-hint{margin-top:8px;text-align:center;font-size:12px;color:var(--muted)}.optional summary{display:flex;align-items:center;min-height:44px;cursor:pointer;color:var(--blue);font-size:14px}.oath{text-align:center;padding:24px 16px;background:#fff;border-block:1px solid var(--line);margin-top:20px}.oath h2{font-size:24px;line-height:1.8;margin:20px 0;color:var(--blue)}.oath-art{width:96px;height:96px;display:block;margin:auto;color:var(--blue)}.oath-progress{margin-top:16px;font:14px var(--mono);color:var(--blue)}.hold{position:relative;isolation:isolate;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none}.hold:before{content:"";position:absolute;inset:0;background:#356c97;z-index:-1;transform:scaleX(var(--hold,0));transform-origin:left}.hold.holding{background:var(--navy)}
.loading{display:grid;align-content:center;justify-items:center;text-align:center;min-height:100%;padding:24px 0}.loading h1{font-size:22px}.loading p{font-size:14px;color:var(--muted);margin-top:12px}.loading .oath-art{margin-bottom:24px}.steam{opacity:.7;transform-origin:center}.loading .steam,.holding-steam .steam{animation:steam 1600ms ease-out infinite}.loading .steam.second,.holding-steam .steam.second{animation-delay:400ms}.loading-track{display:block;width:100%;height:4px;background:var(--line);margin-top:28px;overflow:hidden}.loading-track span{display:block;width:100%;height:100%;background:var(--blue);animation:load-progress 1400ms ease-out forwards;transform-origin:left}.loading-status{margin-top:12px;font:12px var(--mono);color:var(--muted)}.exam-status{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:16px}.timer{font:28px var(--mono);color:var(--blue);white-space:nowrap}.timer.urgent{color:var(--red)}.exam-gauge{display:flex;align-items:center;gap:16px;background:white;border:1px solid var(--line);padding:12px 16px;margin-bottom:20px}.exam-gauge svg{width:96px;height:auto;aspect-ratio:120/72}.gauge-needle{transform-origin:60px 60px;transition:transform var(--slow) ease-out}.pressure-value{font:24px var(--mono);color:var(--blue)}.pressure-warning{font-size:12px;color:var(--muted)}.question-heading{font-size:20px;line-height:1.6;margin:12px 0 20px}.feedback{margin-top:16px}.map{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.map button{min-height:44px;background:white;border:1px solid var(--line);color:var(--blue);font:14px var(--mono)}.map .current{border:2px solid var(--blue)}.map .right{background:var(--green-pale);border-color:var(--green)}.map .wrong{background:var(--red-pale);border-color:var(--red)}.outcome{padding:24px 0 0;text-align:center}.outcome h1{font-size:28px;margin:20px 0 12px}.outcome p{font-size:16px;color:var(--muted)}.stamp{width:104px;height:104px;display:grid;place-items:center;border:4px double var(--red);border-radius:50%;color:var(--red);font-weight:800;font-size:22px;line-height:1.4;letter-spacing:2px;margin:auto;transform:rotate(-12deg);animation:stamp-in var(--slow) ease-out}.stamp.fail{border-color:var(--orange);color:var(--orange)}.result-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid var(--line);padding:20px 0;margin:24px 0}.result-stats strong{font:26px var(--mono);color:var(--blue)}.result-stats small{font-size:12px;color:var(--muted)}.review details{border-bottom:1px solid var(--line);padding:12px 0;text-align:left}.review summary{min-height:44px;cursor:pointer;font-size:16px}.review p{font-size:14px;color:var(--muted);margin-top:8px}
.licence-flip{padding:0;background:none;width:100%;display:block;touch-action:pan-y;text-align:left;perspective:1000px}.licence-canvas{width:100%;display:block;height:auto;aspect-ratio:1.6;border-radius:12px;box-shadow:0 12px 24px #153e6826}.licence-canvas.flipping{animation:card-flip var(--slow) ease-out}.licence-side{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);margin:16px 0 8px}.inline-controls{display:flex;gap:8px;justify-content:center;margin-top:12px}.inline-controls>*{flex:1}.inline-controls .button{font-size:14px;padding:8px;min-height:44px}.detail-list{margin:0;display:grid;gap:12px}.detail-list>div{display:grid;grid-template-columns:80px minmax(0,1fr);gap:12px}.detail-list dt{font-size:14px;color:var(--muted)}.detail-list dd{margin:0;font-size:16px;overflow-wrap:anywhere}.poster-canvas{display:block;width:100%;height:auto;aspect-ratio:9/16}.poster-frame{width:min(100%,280px);margin:20px auto;box-shadow:0 12px 24px #153e6826}.profile-header{display:flex;align-items:center;gap:16px}.profile-avatar{width:64px;height:auto;aspect-ratio:3/4;border:1px solid var(--line);display:block}.profile-header h1{overflow-wrap:anywhere;margin:0}.profile-header .eyebrow{overflow-wrap:anywhere;letter-spacing:0}.profile-stats{margin:24px 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding-block:20px;border-block:1px solid var(--line)}.profile-stats strong{font:24px var(--mono);color:var(--blue)}.profile-stats small{font-size:12px;color:var(--muted)}.record{display:flex;gap:16px;justify-content:space-between;border-bottom:1px solid var(--line);padding:16px 0}.record strong{font-size:16px;font-weight:500}.record small{display:block;font-size:12px;color:var(--muted);margin-top:4px}.record .points{font:20px var(--mono);color:var(--orange);white-space:nowrap}.empty{padding:32px 0;text-align:center}.empty h1{margin:16px 0}.empty p{color:var(--muted);margin-top:12px}.empty .oath-art{opacity:.65}.error-number{font:64px var(--mono);color:var(--blue)}
.overlay{position:absolute;inset:var(--phone-safe-top) 0 var(--phone-safe-bottom);z-index:30;background:#10263b9c;display:flex;align-items:flex-end;justify-content:center;padding:12px}.sheet{background:#fff;max-height:100%;width:100%;padding:16px;border:1px solid var(--line);border-radius:12px;overflow-y:auto;box-shadow:0 20px 60px #102f5040;animation:sheet-in var(--fast) ease-out}.sheet.large{height:100%}.sheet-head{display:flex;align-items:center;gap:8px;margin-bottom:16px}.sheet-head h2{flex:1;font-size:20px;color:var(--blue)}.sheet-body p{font-size:16px;line-height:1.7;color:var(--muted);margin:12px 0}.sheet-actions{display:grid;gap:8px;margin-top:20px}.sheet img{display:block;width:100%;height:auto}.sheet .big-card{width:100%;height:auto;aspect-ratio:1.6;display:block}.save-image{user-select:auto;-webkit-user-select:auto;-webkit-touch-callout:default}.toast{position:absolute;z-index:45;left:16px;right:16px;bottom:calc(var(--phone-safe-bottom) + 88px);background:var(--navy);color:white;padding:12px 16px;border-radius:4px;font-size:14px;box-shadow:0 8px 24px #102f5040}.skeleton{margin-top:24px;padding:20px;background:var(--pale);color:var(--muted);font-size:14px}
@keyframes steam{0%{opacity:0;transform:translateY(8px)}35%{opacity:.7}100%{opacity:0;transform:translateY(-12px)}}@keyframes stamp-in{from{opacity:0;transform:scale(1.3) rotate(-12deg)}to{opacity:1;transform:scale(1) rotate(-12deg)}}@keyframes card-flip{from{opacity:.4;transform:rotateY(-65deg)}to{opacity:1;transform:rotateY(0)}}@keyframes sheet-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes load-progress{from{transform:scaleX(.04)}to{transform:scaleX(1)}}
@media(min-width:481px) and (max-height:939px){.app-shell{zoom:.9}}@media(min-width:481px) and (max-height:851px){.app-shell{zoom:.82}}@media(min-width:481px) and (max-height:781px){.app-shell{zoom:.74}}@media(min-width:481px) and (max-height:711px){.app-shell{zoom:.66}}
@media(max-width:480px){body{padding:0;display:block}.app-shell{width:100%;height:var(--app-height,100dvh);padding:0;border-radius:0;background:none;box-shadow:none;zoom:1}.app-shell:before,.app-shell:after,.hardware-button{display:none}.app-screen{width:100%;height:100%;border-radius:0}.app-content{padding-top:max(var(--phone-safe-top),env(safe-area-inset-top));padding-bottom:max(var(--phone-safe-bottom),env(safe-area-inset-bottom))}.overlay{bottom:max(var(--phone-safe-bottom),env(safe-area-inset-bottom))}}
@media(max-width:359px){.intro h1{font-size:28px}.brand strong{font-size:14px}.stat{padding:12px 4px}.photo-wrap{grid-template-columns:96px minmax(0,1fr)}.photo-canvas{width:96px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.loading-track span{transform:none}}

.verify-url{overflow-wrap:anywhere;user-select:text;font:12px/1.7 var(--mono);color:var(--blue);margin:12px 0}
.dock-buttons .button{white-space:normal;min-width:0}

/* Account service uses the existing application tokens and web shell. */
.auth-card{padding:var(--s4);min-width:0}.auth-card h1{margin:8px 0}.auth-tabs{display:flex;gap:8px;margin:20px 0;border-bottom:1px solid var(--line);padding-bottom:8px}.auth-tab{flex:1;min-width:0;min-height:44px;padding:8px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);color:var(--blue);font:inherit}.auth-tab[aria-pressed=true]{background:var(--pale);border-color:var(--blue);font-weight:700}.auth-card input[type=password]{display:block;width:100%;min-height:52px;border:1px solid #9db4c6;border-radius:var(--radius);padding:12px;background:var(--paper);color:var(--ink);font:inherit}.auth-submit{width:100%;white-space:normal;margin-top:var(--s4)}.auth-note{font-size:var(--small);line-height:1.7;color:var(--muted);margin-top:var(--s4)}.form-error{font-size:14px;line-height:1.6;color:var(--red);overflow-wrap:anywhere}.form-error:empty,.upload-status:empty{display:none}.boot-error{margin-top:var(--s4);align-items:center;flex-wrap:wrap}.boot-error .link-button{margin-left:auto}.upload-status{font-size:14px;line-height:1.6;color:var(--blue);margin:8px 0}button:disabled{cursor:wait;opacity:.6}

/* ------------------------------------------------------------------
   Production web shell.
   The prototype used an iPhone mockup for desktop presentation. Device
   chrome is removed here; app-shell/app-screen/app-content are neutral
   responsive wrappers so existing screens and JS keep working.
   ------------------------------------------------------------------ */
:root{--app-max:720px;--app-pad:16px}

body{display:block;min-height:100dvh;padding:0;background:var(--ground)}

.app-shell{width:100%;max-width:none;height:100dvh;min-height:100dvh;padding:0;border-radius:0;background:var(--ground);box-shadow:none;isolation:auto;zoom:1}
.app-shell:before,.app-shell:after{display:none;content:none}

.app-screen{width:100%;height:100%;border-radius:0;background:var(--ground);box-shadow:none}

.app-content{position:absolute;inset:0;padding:0;background:var(--ground)}

.app-header{padding:12px max(var(--app-pad),calc((100% - var(--app-max))/2 + var(--app-pad)))}

.view{width:100%;max-width:var(--app-max);margin:0 auto;padding:24px var(--app-pad) 32px}

.dock{padding:12px max(var(--app-pad),calc((100% - var(--app-max))/2 + var(--app-pad))) 8px}

.overlay{inset:0;padding:12px;padding-bottom:max(12px,env(safe-area-inset-bottom,0px))}
.sheet{max-width:560px}

.toast{left:50%;right:auto;transform:translateX(-50%);width:min(calc(100% - 2*var(--app-pad)),calc(var(--app-max) - 2*var(--app-pad)));bottom:calc(env(safe-area-inset-bottom,0px) + 88px)}

.auth-card{max-width:480px;margin:0 auto}

@media(min-width:900px){
  .view{padding-top:28px;padding-bottom:40px}
  .hero-drawing svg{height:300px}
  .dock-buttons,.dock-links,.dock-note{max-width:520px;margin-left:auto;margin-right:auto}
}

@media(max-width:480px){
  .app-shell{height:var(--app-height,100dvh);min-height:0}
  .app-content{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
  .view{padding:20px 16px 24px}
  .app-header{padding:12px 16px}
  .dock{padding:12px 16px 8px}
  .overlay{inset:0;bottom:env(safe-area-inset-bottom,0px)}
  .toast{width:min(calc(100% - 32px),560px);bottom:calc(env(safe-area-inset-bottom,0px) + 88px)}
}