@import url("tokens.css");
@import url("fonts.css");
/* Aliases let the existing prototype consume the same semantic foundation. */
:root{--ink:var(--ld-text-primary);--muted:var(--ld-text-secondary);--paper:var(--ld-surface-page);--line:var(--ld-border-subtle);--accent:var(--ld-accent);--wash:var(--ld-surface-selected);--serif:var(--ld-font-display)}
body{font-family:var(--ld-font-ui);font-size:var(--ld-type-body-size);line-height:var(--ld-type-body-leading);color:var(--ld-text-primary);background:var(--ld-surface-page);font-weight:400}
button,input,textarea,select{font-family:var(--ld-font-ui)}
.brand{font-family:var(--ld-font-display);font-weight:500;font-size:2rem;letter-spacing:-.04em}
.landing h1,.ds-display{font-family:var(--ld-font-display);font-weight:400;font-size:var(--ld-type-display-mobile-size);line-height:var(--ld-type-display-mobile-leading);letter-spacing:-.035em}
.flow h1,html[lang=th] .flow h1,.ds-question{font-family:var(--ld-font-ui);font-size:var(--ld-type-question-size);font-weight:var(--ld-weight-medium);line-height:var(--ld-type-question-leading);letter-spacing:-.025em}
html[lang=th] .landing h1{font-family:var(--ld-font-ui);font-size:2rem;line-height:1.5;letter-spacing:0;font-weight:500}
html[lang=th] .flow h1{line-height:1.5;letter-spacing:0}
:lang(th){letter-spacing:0}
:lang(th) .eyebrow,:lang(th).eyebrow,:lang(th) .mini-label{letter-spacing:0;text-transform:none}
h2,.ds-h2{font-family:var(--ld-font-ui);font-size:1.5rem;line-height:1.35;font-weight:500}
h3,.ds-h3{font-size:1.125rem;line-height:1.5;font-weight:600}
:lang(th) h2,:lang(th) h3{line-height:1.5}
.field-label,legend,.text-btn,.helper,.phase,.small-link,.note,.choice small,.firm-bar,.offline,.check{font-size:.875rem;line-height:1.6}
.caption,.badge,.dock small{font-size:.75rem;line-height:1.5}
.mini-label{font-size:var(--ld-type-meta-size);line-height:var(--ld-type-meta-leading);letter-spacing:.1em}
.eyebrow{font-size:.75rem;letter-spacing:.14em;line-height:1.5;font-weight:600}
.primary,.secondary,.ds-button{border-radius:var(--ld-radius-control);font-size:1rem;line-height:1.5;font-weight:500;min-height:var(--ld-touch-min);padding:.75rem 1.25rem;transition:background var(--ld-duration-fast) var(--ld-ease)}
.primary,.ds-button{background:var(--ld-action-primary);color:var(--ld-text-inverse);min-height:var(--ld-control-height);border:1px solid transparent}
.primary:active,.ds-button:active{background:var(--ld-action-pressed)}
@media(hover:hover){.primary:hover,.ds-button:hover{background:var(--ld-action-hover)}.secondary:hover{background:var(--ld-surface-selected)}}
.primary:disabled,.secondary:disabled,.ds-button:disabled{background:var(--ld-disabled-surface);color:var(--ld-disabled-text);border-color:var(--ld-border-subtle);cursor:not-allowed}
.primary[aria-busy=true]{cursor:progress}.secondary{background:var(--ld-surface-card);border:1px solid var(--ld-border-control);color:var(--ld-text-primary)}
.text-btn{min-height:var(--ld-touch-min);min-width:var(--ld-touch-min)}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:var(--ld-focus-width) solid var(--ld-focus);outline-offset:var(--ld-focus-offset)}
input:not([type=checkbox]):not([type=file]),select,textarea{font-size:1rem;line-height:1.5;border:1px solid var(--ld-border-control);border-radius:var(--ld-radius-control);background-color:var(--ld-surface-card);color:var(--ld-text-primary);min-height:var(--ld-control-height);padding:.875rem .75rem}
select{height:var(--ld-control-height);padding-right:2.375rem}
textarea{min-height:6rem}input::placeholder,textarea::placeholder{color:var(--ld-text-secondary);opacity:1}
input[aria-invalid=true],textarea[aria-invalid=true]{border:2px solid var(--ld-error-text)}
input:disabled,textarea:disabled{background:var(--ld-disabled-surface)!important;color:var(--ld-disabled-text)!important}
input[type=checkbox]{accent-color:var(--ld-action-primary)}
.choice{min-height:4rem;border-color:var(--ld-border-control);border-radius:var(--ld-radius-control);background:var(--ld-surface-card);padding:1rem;font-size:1rem;line-height:1.5}
.choice.selected{background:var(--ld-surface-selected);border-color:var(--ld-action-primary);box-shadow:inset 0 0 0 1px var(--ld-action-primary)}
.mark{border-color:var(--ld-border-control)}
.card{background:var(--ld-surface-card);border-color:var(--ld-border-subtle);border-radius:var(--ld-radius-card);padding:var(--ld-space-24)}
.note{border-radius:var(--ld-radius-control);background:var(--ld-info-surface);color:var(--ld-info-text);padding:var(--ld-space-16)}
.note.warn,.offline{background:var(--ld-warning-surface);color:var(--ld-warning-text)}
.note.error-note{background:var(--ld-error-surface);color:var(--ld-error-text)}
.note.success{background:var(--ld-success-surface);color:var(--ld-success-text)}
.note.neutral{background:var(--ld-surface-selected);color:var(--ld-text-primary)}
.error{color:var(--ld-error-text);font-size:.875rem}.value{font-variant-numeric:tabular-nums;font-weight:600}
.badge{border-radius:var(--ld-radius-sm);border-color:var(--ld-border-control)}
.upload-box{border:1px dashed var(--ld-border-control);border-radius:var(--ld-radius-card);background:var(--ld-surface-selected)}
.upload-label:focus-within{outline:var(--ld-focus-width) solid var(--ld-focus);outline-offset:var(--ld-focus-offset)}
summary{min-height:var(--ld-touch-min);display:list-item;padding:.375rem 0}
.pill{border-radius:var(--ld-radius-pill);font-size:.875rem}.dock{z-index:10;background:var(--ld-surface-page)}
#toast,.ds-toast{background:var(--ld-action-primary);color:var(--ld-text-inverse);z-index:30;font-size:.875rem;border-radius:var(--ld-radius-control)}
@media(min-width:760px){.landing h1,.ds-display{font-size:4rem;line-height:1.05}html[lang=th] .landing h1{font-size:2.5rem;line-height:1.5}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{body{font-size:12pt}.flow h1{font-size:24pt}.card{padding:12pt}}

html[lang=th] body{line-height:var(--ld-thai-body-leading)}

/* v0.2 — grounded imagery, precise technology, immediate useful feedback. */
.brand{font-family:var(--ld-font-ui);font-weight:600;font-size:1.75rem;letter-spacing:-.075em}
.logo-mark{width:20px;height:23px;border-width:2px;margin-right:9px;transform:skewY(-12deg) translateY(3px)}
.landing h1,.ds-display{font-weight:600;letter-spacing:-.055em}
.progress i{height:4px;border-radius:4px}
.choice .icon{font-family:var(--ld-font-mono);font-size:14px;color:var(--ld-accent)}
.choice.selected .mark{background:var(--ld-accent);border-color:var(--ld-accent)}
.discovery{background:var(--ld-surface-discovery);color:var(--ld-text-discovery);--ld-focus:var(--ld-action-discovery)}
.discovery header{border-color:#31423F;height:76px}
.discovery .brand span,.discovery .eyebrow{color:var(--ld-action-discovery)}
.discovery .logo-mark{border-color:var(--ld-action-discovery)}
.discovery header .text-btn{color:var(--ld-text-discovery);border:1px solid var(--ld-border-discovery-control);border-radius:999px;min-width:48px;padding:6px}
.signal-landing{padding:28px 24px 145px;display:flex;flex-direction:column;gap:0;align-items:stretch}
.signal-landing .eyebrow{display:flex;gap:9px;align-items:center;font-size:11px;letter-spacing:.07em;margin-bottom:16px}
.signal-dot{width:6px;height:6px;border-radius:50%;background:var(--ld-action-discovery);box-shadow:0 0 12px #D7FF6455;flex-shrink:0}
.signal-landing h1{font-size:clamp(42px,11vw,56px);line-height:1.04;letter-spacing:-.06em;margin-bottom:18px}
.signal-landing h1 span{color:var(--ld-action-discovery)}
html[lang=th] .signal-landing h1{font-size:clamp(29px,7.7vw,36px);line-height:1.5;letter-spacing:0;font-weight:600}
.signal-landing .intro{font-size:15px;line-height:1.7;color:var(--ld-text-discovery-secondary);margin-bottom:18px;max-width:440px}
.entry-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:11px;color:var(--ld-text-discovery-secondary)}
.entry-meta span+span{border-left:1px solid var(--ld-border-discovery-control);padding-left:18px}
.signal-landing .photo-wrap{margin:28px 0 32px}
.signal-visual{min-width:0;border:1px solid #41524D;border-radius:16px;overflow:hidden;background:#1B2B29;box-shadow:0 20px 64px #0003}
.image-stage{position:relative;background:#243633;min-height:250px}
.image-stage:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,#071A1740 0%,transparent 40%,#071A17CF 100%);pointer-events:none}
.signal-visual .hero-photo{height:250px;border-radius:0;display:block;object-position:50% 52%}
.image-stage>.note{margin:0;padding:80px 20px}
.image-label{position:absolute;z-index:1;top:16px;left:16px;right:16px;width:fit-content;max-width:calc(100% - 32px);font-size:9px;line-height:1.6;letter-spacing:.05em;border:1px solid #77958A;padding:5px 8px;border-radius:4px;background:#101C1EEF;color:#F5F7F4}
.image-coordinate{position:absolute;z-index:1;left:20px;right:20px;top:90px;display:flex;justify-content:space-between;font:24px/1 var(--ld-font-mono);color:white;opacity:.9;pointer-events:none}
.image-caption{position:absolute;bottom:20px;left:20px;right:20px;z-index:1}
.image-caption>span{display:block;font:9px/1.7 var(--ld-font-mono);letter-spacing:.08em;color:#D7FF64;margin-bottom:9px}
.image-caption strong{font-size:26px;font-weight:500;line-height:1.18;letter-spacing:-.03em}
html[lang=th] .image-caption strong{font-size:23px;line-height:1.5;letter-spacing:0}
.spark-panel{padding:20px 16px 14px}
.spark-panel .mini-label{color:var(--ld-text-discovery-secondary);font-size:10px;letter-spacing:.06em;margin-bottom:12px}
.spark-choices{display:flex;gap:7px}
.spark-chip{flex:1;min-width:0;min-height:48px;background:#233A34;border:1px solid var(--ld-border-discovery-control);border-radius:8px;color:#F5F7F4;font-size:12px;display:flex;align-items:center;justify-content:space-between;gap:4px;padding:10px}
.spark-chip[aria-pressed=true]{background:var(--ld-action-discovery);border-color:var(--ld-action-discovery);color:var(--ld-surface-discovery)}
.spark-chip span{font-size:14px}
.spark-response{display:flex;gap:12px;border-top:1px solid #455952;margin-top:18px;padding-top:18px;min-height:130px}
.spark-symbol{display:grid;place-items:center;flex-shrink:0;width:26px;height:26px;border-radius:6px;background:#D7FF64;color:#101C1E;font-size:20px}
.spark-response h2{color:#F5F7F4;font-size:16px;font-weight:500;line-height:1.5;letter-spacing:-.02em;margin:0 0 8px}
.spark-response p{color:var(--ld-text-discovery-secondary);font-size:13px;line-height:1.7;margin:0}
.spark-saved{display:block;color:var(--ld-action-discovery);font-size:11px;line-height:1.6;margin-top:10px}
.reference-credit{font-size:9px;line-height:1.6;color:var(--ld-text-discovery-secondary);margin:16px 0 0}
.return-grid{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid #41524D}
.return-item{display:grid;grid-template-columns:30px 1fr;gap:0 12px;padding:16px 0;border-bottom:1px solid #41524D}
.return-item>span{grid-row:1/3;color:var(--ld-action-discovery);font:11px/2 var(--ld-font-mono)}
.return-item h3{font-size:16px;line-height:1.5;font-weight:500;margin:0 0 3px}
.return-item p{font-size:12px;color:var(--ld-text-discovery-secondary);margin:0}
.signal-landing .helper{font-size:12px;line-height:1.7;color:var(--ld-text-discovery-secondary);margin:18px 0 0}
.discovery .dock{background:var(--ld-surface-discovery);border-color:#41524D;padding-top:12px}
.discovery .dock .primary{background:var(--ld-action-discovery);color:var(--ld-surface-discovery);font-weight:600;display:flex;justify-content:space-between;align-items:center;padding:14px 20px;box-shadow:0 0 25px #D7FF6410}
.discovery .dock .primary:hover{background:var(--ld-action-discovery-hover)}
.discovery .dock small{color:var(--ld-text-discovery-secondary)}
@media(min-width:760px){
 .discovery header{height:88px}
 .signal-landing{padding:48px 40px 150px;display:grid;grid-template-columns:1fr 1fr;gap:28px 56px;align-items:center}
 .signal-landing .landing-copy{grid-column:1;grid-row:1}
 .signal-landing h1{font-size:68px;line-height:1.03}
 html[lang=th] .signal-landing h1{font-size:42px;line-height:1.5}
 .signal-landing .intro{font-size:17px}
 .signal-landing .photo-wrap{grid-column:2;grid-row:1/3;margin:0}
 .signal-landing .hero-photo{height:360px}
 .signal-landing .landing-points{grid-column:1;grid-row:2}
 .spark-panel{padding:22px}
 .image-caption strong{font-size:32px}
 .image-label{font-size:10px}
 .spark-chip{font-size:13px}
 .signal-landing .eyebrow{font-size:11px}
 .discovery .dock-inner{max-width:1040px;display:flex;align-items:center;gap:24px}
 .discovery .dock .primary{max-width:420px}
 .discovery .dock small{text-align:left;margin:0}
}
@media(prefers-reduced-motion:no-preference){.spark-chip{transition:background 120ms ease,color 120ms ease}.spark-response>div{animation:arrive 180ms ease-out}}

.image-stage.image-unavailable .image-label,.image-stage.image-unavailable .image-coordinate,.image-stage.image-unavailable .image-caption,.image-stage.image-unavailable:after{display:none}