/* Premium UI iteration: scoped to Test 3; content and route contracts stay intact. */
html[data-test3]{--t3-space:8px;--t3-muted:#756383;--t3-accent:#7552ad;--t3-paper:#fff}
html[data-test3] .screen{scroll-margin-top:144px}
html[data-test3] :is(button,a){touch-action:manipulation}
html[data-test3] button:active{filter:brightness(.97)}
html[data-test3] .nav-item span{white-space:normal;line-height:1.25;overflow-wrap:anywhere}
html[data-test3] #navigation .nav-item{min-width:0;min-height:60px;padding:7px 3px;font-size:11px}
html[data-test3] :is(.transport-tabs,.discover-tabs,.hg-filters){scrollbar-width:none;overscroll-behavior-x:contain}
html[data-test3] .discover-tabs{gap:4px;background:transparent!important;border-radius:0!important;border-bottom:1px solid var(--sn-line);padding:0 0 8px}
html[data-test3] .discover-tabs button{padding:12px 16px;border-radius:14px!important;background:transparent;flex-shrink:0}
html[data-test3] .discover-tabs button[aria-selected=true]{background:#eae0f4;color:#57377d;box-shadow:none}
html[data-test3] .hg-filters{border:0;padding:8px 0 24px}
html[data-test3] .hg-chip{background:transparent;border-color:transparent;padding-inline:16px}
html[data-test3] .hg-chip[aria-pressed=true]{background:#eae0f4;border-color:#eae0f4;color:#57377d}
html[data-test3] .hg-pick-media{aspect-ratio:4/5;max-height:320px}
html[data-test3] .hg-pick-copy{padding-top:16px}
html[data-test3] .hg-pick-action{font-size:13px}
html[data-test3] .home-selected{padding-top:32px}
html[data-test3] .selected-places{gap:16px}
html[data-test3] .selected-places button{background:transparent;text-align:left}
html[data-test3] .selected-places button img{aspect-ratio:4/3;max-height:220px;object-fit:cover}
html[data-test3] .home-section-head{align-items:center;gap:16px}
html[data-test3] .service-dock button{min-width:0;line-height:1.4}
html[data-test3] .service-dock button span{white-space:normal;overflow-wrap:anywhere}
/* Me: FAQ is a utility section, aligned with the profile content rather than a second hero. */
html[data-test3] #view-profile #hgFaq{width:100%;max-width:none;padding:0;margin:28px 0 24px}
html[data-test3] #view-profile #hgFaq>.hg-title{font-family:var(--sn-font);font-size:22px;font-weight:600;line-height:1.3;letter-spacing:-.02em;white-space:normal;margin:0 0 16px}
html[data-test3] #view-profile #hgFaq .hg-question summary{min-height:64px;padding:16px 0}
/* Chat keeps its existing tools, prompts, responses and speech controls. */
html[data-test3] body[data-view=chat] :is(.app,#main,#view-chat){background:var(--sn-bg)}
html[data-test3] #view-chat{display:flex;flex-direction:column;min-height:calc(100svh - 160px);padding-bottom:110px}
html[data-test3] #view-chat[hidden]{display:none}
html[data-test3] #view-chat .page-head{margin-bottom:12px;align-items:center}
html[data-test3] #view-chat .page-head h1{font-size:26px;letter-spacing:-.035em;font-weight:600;color:var(--sn-ink)}
html[data-test3] .chat-tools .icon-btn{color:var(--sn-brand);width:44px;height:44px;border-radius:14px;background:transparent}
html[data-test3] #view-chat .mode-label{color:var(--t3-muted);line-height:1.5!important;margin:0 0 8px}
html[data-test3] #view-chat .status-dot{background:#9277ac}
html[data-test3] #view-chat #pwChat{padding:0 0 12px;margin:0;border:0;background:transparent;box-shadow:none}
html[data-test3] .t3-ai-symbol{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:#eae0f4;margin:0 0 12px;color:#684593}
html[data-test3] .t3-ai-symbol img{width:44px;height:44px;object-fit:contain}
html[data-test3] #pwChat .pw-title{font-size:clamp(26px,7vw,34px)!important;line-height:1.17!important;font-weight:500!important;letter-spacing:-.035em;max-width:20ch;margin:0 0 12px;color:var(--sn-ink)}
html[data-test3] #pwChat .pw-subtitle{font-size:15px;line-height:1.65;color:var(--t3-muted);margin:0 0 16px}
html[data-test3] #pwChat .pw-tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:0}
html[data-test3] #pwChat .pw-tile{display:grid;grid-template-columns:1fr 28px;grid-template-rows:auto auto;align-content:center;align-items:center;text-align:left;gap:3px 8px;height:auto;min-height:72px;padding:12px 16px;border:1px solid #e8dff0;background:#ffffffb0;border-radius:18px;box-shadow:none}
html[data-test3] #pwChat .pw-tile strong{font-size:14px;line-height:1.4;grid-column:1;color:#503965}
html[data-test3] #pwChat .pw-tile small{font-size:12px;line-height:1.4;grid-column:1;color:var(--t3-muted)}
html[data-test3] #pwChat .pw-mini{position:static;grid-column:2;grid-row:1/3;transform:none;background:transparent;width:28px;height:28px;color:var(--sn-brand)}
html[data-test3] #pwChat .pw-mini svg{width:23px;height:23px;stroke-width:1.75}
html[data-test3] #view-chat #prompts{order:4;display:flex;gap:8px;flex-wrap:nowrap;overflow-x:auto;padding:8px 0 20px;margin:0;scrollbar-width:none}
html[data-test3] #view-chat .prompt{flex:0 0 240px;min-height:68px;padding:14px 16px;white-space:normal;text-align:left;line-height:1.5;color:#684c82;border:1px solid var(--sn-line);border-radius:18px;background:#fff;box-shadow:none}
html[data-test3] #view-chat .messages{order:3;overflow:visible;flex:1;max-height:none;margin:12px 0}
html[data-test3] #view-chat .message{max-width:100%;gap:10px;margin-bottom:20px}
html[data-test3] #view-chat .message-body{min-width:0;max-width:calc(100% - 40px)}
html[data-test3] #view-chat .message-text{font-size:15px;line-height:1.7;overflow-wrap:anywhere;padding:16px 18px;border-radius:20px;box-shadow:none}
html[data-test3] #view-chat .assistant .message-text{background:#fff;border:1px solid var(--sn-line);color:var(--sn-ink)}
html[data-test3] #view-chat .user .message-text{background:#7552ad;color:#fff;border:0}
html[data-test3] #view-chat .message-meta{color:var(--t3-muted);line-height:1.5!important}
html[data-test3] #view-chat .composer-wrap{order:5;position:fixed!important;bottom:calc(100px + env(safe-area-inset-bottom,0px))!important;left:50%;transform:translateX(-50%);width:calc(100% - 40px);max-width:712px;z-index:5;margin-top:8px;padding:8px 0 0;background:var(--sn-bg)}
html[data-test3] #view-chat .composer{min-height:72px;align-items:center;border:1px solid #d9cbe6;border-radius:22px;background:#fff;padding:10px 8px 10px 16px;box-shadow:0 8px 24px #35214408;backdrop-filter:none}
html[data-test3] #view-chat .composer textarea{min-height:44px!important;max-height:150px;line-height:1.5;font-size:16px;resize:none;color:var(--sn-ink)}
html[data-test3] #view-chat .composer textarea::placeholder{color:#897896}
html[data-test3] #view-chat .composer .icon-btn{width:44px;height:44px;flex:0 0 44px;color:var(--sn-brand)}
html[data-test3] #view-chat .composer #send{color:white;background:var(--sn-brand);border-radius:16px}
html[data-test3] #view-chat .composer #send:disabled{background:#e6dcee;color:#8e769f}
html[data-test3] #view-chat .composer #send::before{display:none}
html[data-test3] #view-chat :is(.voice-state,.composer-foot){color:var(--t3-muted);line-height:1.4!important;gap:8px}
html[data-test3] #view-chat .composer-foot{padding:8px 2px;align-items:flex-start}
html[data-test3] #charCount{white-space:nowrap}
html[data-test3] body.t3-keyboard #navigation{visibility:hidden}
html[data-test3] body.t3-keyboard #view-chat .composer-wrap{bottom:8px!important}
html[data-test3] #view-chat{padding-bottom:290px}
html[data-test3] #view-chat{justify-content:flex-start;gap:12px}
html[data-test3] #view-chat:not(:has(.messages .user)) #messages{min-height:0;height:0;padding:0;margin:0;flex:0}
html[data-test3] #view-chat .messages:not(:has(.user)){flex:0;margin:0}
html[data-test3] #pwChat .pw-eyebrow{color:var(--t3-muted)}
/* Same control system in rail, flights, buses, metro and detail tools. */
html[data-test3] #view-transport>.page-head{margin-bottom:0}
html[data-test3] :is(.transport-tabs,.st-tabs){display:flex;gap:6px;overflow-x:auto;padding:4px 0 12px;background:transparent}
html[data-test3] :is(.transport-tabs,.st-tabs) button{flex-shrink:0;border:1px solid transparent;border-radius:14px;min-height:44px;padding:10px 16px;background:transparent;color:var(--t3-muted);font-size:14px;line-height:1.4}
html[data-test3] :is(.transport-tabs,.st-tabs) button[aria-selected=true]{background:#eae0f4;color:#57377d;border-color:#eae0f4;box-shadow:none}
html[data-test3] :is(.transport-action,.transport-link,.st-link,.td-link){min-height:48px;border-radius:14px;box-shadow:none;border-color:var(--sn-line);color:var(--sn-brand);white-space:normal;line-height:1.5}
html[data-test3] :is(.transport-card,.transport-panel .card,.st-card){background:#fff;border:1px solid var(--sn-line);border-radius:22px;box-shadow:none}
html[data-test3] :is(.transport-description,.st-note){font-size:14px;line-height:1.65;color:var(--t3-muted)}
html[data-test3] :is(.st-form,.transport-form) input{min-height:48px;font-size:16px;border:1px solid var(--sn-line);border-radius:14px;background:#faf7fd}
html[data-test3] .t3-seed-comment{padding:16px 0;border-bottom:1px solid var(--sn-line);font-size:14px;line-height:1.6;color:var(--sn-ink)}
html[data-test3] .t3-seed-comment strong{display:block;font-size:12px;font-weight:500;color:var(--sn-secondary);margin-bottom:4px}
html[data-test3] .hf-author{min-width:0}.hf-author>span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
html[data-test3] :is(#view-profile,.v2-profile,.pm-user,.pm-section-head,.pm-activity,.pm-recent){min-width:0;max-width:100%}
html[data-test3] .v2-profile{width:100%}
html[data-test3] .pm-user>div{min-width:0;overflow-wrap:anywhere}
html[data-test3] .pm-section-head h2{min-width:0;overflow-wrap:anywhere}
html[data-test3] .pm-quick{grid-template-columns:repeat(4,minmax(0,1fr))}
html[data-test3] .pm-shortcut{min-width:0;padding-inline:2px}
html[data-test3] .pm-shortcut>span{white-space:normal;overflow-wrap:anywhere;line-height:1.45}
html[data-test3] .pm-filters{min-width:0;max-width:100%;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
html[data-test3] .pm-filters button{flex-shrink:0}
html[data-test3]:lang(th){--sn-font:Inter,"Leelawadee UI","Noto Sans Thai",Tahoma,sans-serif}
html[data-test3]:lang(th) :is(h1,h2,h3,button,p){letter-spacing:0!important;line-height:1.65!important;word-break:normal;overflow-wrap:anywhere}
html[data-test3]:is(:lang(ja),:lang(ko),:lang(zh)) :is(h1,h2,h3){letter-spacing:0;line-height:1.45}
html[data-test3]:lang(th) .a2-feature .apple-hero .hero-heading h1{font-size:25px;line-height:1.4!important}
html[data-test3] :is(dialog,.screen) :is(h1,h2,h3,p,small){overflow-wrap:anywhere}
@media(min-width:701px){html[data-test3] #view-chat{max-width:760px;margin-inline:auto}html[data-test3] #pwChat .pw-tiles{grid-template-columns:repeat(4,minmax(0,1fr))}html[data-test3] #navigation .nav-item{font-size:12px}}
@media(max-width:350px){html[data-test3] #navigation .nav-item{font-size:10px}html[data-test3] #view-chat .composer textarea{width:0;flex:1}html[data-test3] #pwChat .pw-tile{padding:12px;gap:4px}}
@media(prefers-reduced-transparency:reduce){html[data-test3] #pwChat .pw-tile{background:#fff}}