/* HanoiFlow — AI consultant page (with site.css header) */
:root{
  --ai-bg:#1e1a12;
  --ai-green:#1D9E75;
  --ai-mint:#5DCAA5;
  --ai-sand:#f2ede4;
  --ai-sand2:#e8e3dc;
  --ai-cream:#faf7f2;
  --ai-gold:#c09050;
  --ai-ink:#2a2018;
  --ai-muted:rgba(255,255,255,.65);
}
body.ai-consultant-page{
  font-family:'Lora',Georgia,serif;font-weight:400;color:var(--ai-ink);
  background:var(--ai-cream);line-height:1.7;
  overflow-x:hidden;
}
.ai-consultant-page .nav-link[aria-current="page"]{color:var(--gold);font-weight:500;}
.ai-tryon-page-main{max-width:1200px;margin:0 auto;padding:16px 20px 32px;}
@media (min-width:900px){.ai-tryon-page-main{padding:16px 32px 36px;}}
@media (min-width:1024px){
  .ai-consultant-page .hf-ai-guide-wrap--hero-strip .hf-ai-guide-viewport{
    height:min(200px,max(140px,22dvh));
  }
}

.upload-shell{max-width:1280px;margin:12px auto 28px;padding:0 16px;}
.upload-card{
  background:#fff;border-radius:16px;border:1px solid rgba(30,26,18,.08);
  box-shadow:0 16px 48px rgba(30,26,18,.06);overflow:hidden;
}
.ai-work-grid{
  display:grid;
  grid-template-columns:minmax(280px,clamp(300px,36vw,440px)) minmax(0,1fr);
  gap:0;align-items:stretch;
  min-height:min(640px,82vh);
}
.ai-work-left{
  background:var(--ai-sand2);padding:14px 14px 16px;display:flex;flex-direction:column;gap:12px;
  border-right:1px solid rgba(30,26,18,.08);
}
.ai-work-right{
  background:var(--ai-cream);padding:12px 14px 14px;display:flex;flex-direction:column;gap:12px;min-height:0;
}
.ai-intro{
  flex:0 0 auto;padding:4px 2px 2px;
}
.ai-intro-badge{
  display:inline-block;font-size:9px;letter-spacing:1.4px;text-transform:uppercase;
  color:#1a6b52;border:1px solid rgba(29,158,117,.4);
  padding:3px 9px;border-radius:100px;margin-bottom:6px;background:rgba(29,158,117,.08);
}
.ai-intro-h1{
  font-family:'Montserrat',sans-serif;font-weight:400;font-size:clamp(17px,2.4vw,24px);
  line-height:1.15;margin:0 0 6px;color:var(--ai-bg);max-width:36em;
}
.ai-intro-h1 .ai-intro-hl{color:var(--ai-green);font-style:italic;}
.ai-intro-sub{
  font-size:13px;color:#5a4e40;line-height:1.45;margin:0;max-width:34em;
}
.ai-work-right .chat-shell{
  flex:1;display:flex;flex-direction:column;min-height:0;margin:0;max-width:none;
  border-radius:12px;min-height:280px;
}
.ai-work-right .chat-body{
  flex:1;min-height:260px;height:auto;max-height:none;
}

.preview-box{
  flex:0 0 auto;min-height:min(260px,32vh);aspect-ratio:4/5;max-height:min(420px,42vh);
  border-radius:12px;background:#f0ebe4;
  border:1px solid rgba(58,46,34,.12);display:flex;flex-direction:column;
  align-items:stretch;justify-content:flex-end;overflow:hidden;position:relative;padding:0;
}
.preview-box.has-img{border-style:solid;}
.preview-placeholder-layer{
  position:absolute;inset:0;z-index:0;pointer-events:none;
}
.preview-placeholder-layer .preview-illustration{
  width:100%;height:100%;object-fit:cover;object-position:center 15%;
  filter:blur(3.5px);transform:scale(1.08);
  transition:opacity .35s;
}
.preview-box.has-img .preview-placeholder-layer{display:none;}
.preview-box img.preview-photo{
  position:relative;z-index:1;width:100%;height:100%;min-height:200px;object-fit:cover;display:none;
}
.preview-box.has-img img.preview-photo{display:block;aspect-ratio:auto;max-height:min(42vh,420px);}
.preview-hint{
  position:relative;z-index:2;font-size:11px;color:#3a3228;margin:0;padding:10px 12px;
  text-align:center;line-height:1.35;background:linear-gradient(180deg,transparent,rgba(250,247,242,.92) 28%,rgba(250,247,242,.98));
  text-shadow:0 1px 0 rgba(255,255,255,.8);
}
.preview-box.has-img .preview-hint{display:none;}
.preview-loading-overlay{
  position:absolute;inset:0;z-index:8;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:rgba(250,247,242,.88);backdrop-filter:blur(6px);
}
.preview-loading-overlay[hidden]{display:none!important;}
.preview-loading-spinner{
  width:40px;height:40px;border-radius:50%;
  border:3px solid rgba(192,144,80,.25);border-top-color:var(--ai-green);
  animation:ai-spin .75s linear infinite;
}
@keyframes ai-spin{to{transform:rotate(360deg);}}
.preview-loading-text{
  font-size:12px;color:var(--ai-bg);margin:0;padding:0 16px;text-align:center;font-weight:500;
}
.preview-box.hair-tryon-busy img.preview-photo{opacity:.35;}
.hair-tryon-block{
  background:rgba(255,255,255,.55);border-radius:10px;padding:10px 10px 12px;
  border:1px solid rgba(30,26,18,.08);
}
.hair-tryon-title{
  font-family:'Montserrat',sans-serif;font-size:13px;font-weight:400;margin:0 0 4px;color:var(--ai-bg);
}
.hair-tryon-sub,.hair-tryon-note{font-size:10px;line-height:1.4;margin:0 0 8px;color:#5a5046;}
.hair-tryon-note{color:#8a7a68;font-style:italic;}
.hair-tryon-colors{
  display:flex;flex-wrap:wrap;gap:6px;
}
.hair-try-color-btn{
  font-family:'Montserrat',sans-serif;font-size:10px;font-weight:500;padding:6px 8px;border-radius:8px;
  border:1px solid rgba(58,46,34,.18);background:rgba(250,247,242,.95);color:var(--ai-bg);cursor:pointer;
  transition:border-color .2s,background .2s,color .2s;
}
.hair-try-color-btn:hover{
  border-color:var(--ai-green);background:rgba(29,158,117,.08);color:#145a45;
}
.hair-tryon-actions{margin-top:10px;}
.btn-hair-tryon-dl{
  width:100%;padding:10px 14px;border-radius:10px;border:1px solid var(--ai-green);
  background:var(--ai-green);color:#fff;font-family:'Montserrat',sans-serif;font-size:12px;font-weight:600;cursor:pointer;
  transition:background .2s,transform .1s;
}
.btn-hair-tryon-dl:hover{background:#178f68;}
.btn-hair-tryon-dl:active{transform:scale(.99);}
.msg .result-swatches{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap;}
.msg .swatch{
  width:44px;height:44px;border-radius:50%;border:3px solid #fff;
  box-shadow:0 2px 8px rgba(0,0,0,.12);
}
.msg .result-meta{font-size:12px;margin-top:8px;line-height:1.5;color:#444;}
.msg-result-kicker{
  font-size:10px;letter-spacing:1.2px;text-transform:uppercase;color:var(--ai-green);font-weight:600;margin-bottom:4px;
}
.msg-result-comment{margin-top:8px;font-size:13px;line-height:1.45;color:#333;}
.msg .btn-ai-add-cart{margin-top:12px;width:100%;}

.upload-stack{
  flex:1;display:flex;flex-direction:column;gap:8px;min-height:0;
  background:rgba(255,255,255,.45);border-radius:10px;padding:10px 10px 12px;border:1px solid rgba(30,26,18,.06);
}
.upload-stack h2{font-family:'Montserrat',sans-serif;font-size:14px;font-weight:400;color:var(--ai-bg);margin:0 0 2px;line-height:1.25;}
.upload-stack .sub{font-size:11px;color:#666;margin:0 0 6px;line-height:1.35;}
.upload-privacy-prominent{
  font-size:11px;font-weight:500;color:var(--ai-bg);margin:0 0 8px;padding:7px 9px;
  background:rgba(29,158,117,.1);border-left:3px solid var(--ai-green);border-radius:0 8px 8px 0;line-height:1.4;
}
.drop-zone{
  border:2px dashed rgba(58,46,34,.22);border-radius:10px;padding:12px 10px;
  text-align:center;cursor:pointer;transition:border-color .25s,background .25s;
  background:rgba(250,247,242,.85);
}
.drop-zone:hover,.drop-zone.drag{border-color:var(--ai-green);background:rgba(29,158,117,.06);}
.drop-zone .dz-ic{font-size:22px;opacity:.48;margin-bottom:2px;line-height:1;}
.drop-zone p{font-size:12px;color:#555;margin:0;line-height:1.35;}
.mini-zones-title{font-size:10px;font-weight:500;margin:8px 0 6px;color:var(--ai-bg);}
.mini-zones{
  display:grid;grid-template-columns:repeat(3,1fr);gap:6px;
}
.mini-zone{
  border:2px dashed rgba(58,46,34,.18);border-radius:7px;min-height:48px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  cursor:pointer;font-size:10px;color:#666;text-align:center;padding:5px 4px;
  transition:all .25s;position:relative;overflow:hidden;
}
.mini-zone:hover{border-color:var(--ai-mint);}
.mini-zone.has-thumb{border-style:solid;background:#f5f2ec;}
.mini-zone img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.mini-zone.has-thumb span{position:relative;z-index:1;text-shadow:0 1px 2px #fff;}
.upload-actions{
  display:flex;flex-direction:column;gap:8px;margin-top:10px;
  align-items:stretch;
}
.btn-ai-primary{
  width:100%;background:var(--ai-green);color:#fff;border:none;
  padding:11px 14px;font-size:12px;font-weight:500;font-family:'Montserrat',sans-serif;
  border-radius:9px;cursor:pointer;transition:background .25s,transform .15s;
}
.btn-ai-primary:hover:not(:disabled){background:#178f68;}
.btn-ai-primary:active:not(:disabled){transform:scale(.99);}
.btn-ai-primary:disabled{opacity:.55;cursor:not-allowed;}
.btn-ai-primary.btn-ai-loading::after{
  display:inline;content:'…';animation:ai-dots 1.2s steps(4,end) infinite;margin-left:2px;
}
@keyframes ai-dots{
  0%{content:'';}
  25%{content:'.';}
  50%{content:'..';}
  75%,100%{content:'…';}
}
.skip-chat{
  text-align:center;font-size:12px;color:var(--ai-green);text-decoration:underline;
  cursor:pointer;background:none;border:none;font-family:inherit;
  transition:opacity .2s;
}
.skip-chat:hover{opacity:.75;}

#ai-chat-section{padding:0;background:transparent;min-height:0;}
.chat-shell{margin:0 auto;border-radius:16px;overflow:hidden;border:1px solid rgba(30,26,18,.1);box-shadow:0 8px 28px rgba(30,26,18,.06);}
.chat-head{
  background:var(--ai-bg);color:#fff;padding:12px 16px;display:flex;align-items:center;gap:12px;
  flex-shrink:0;
}
.chat-avatar{
  width:38px;height:38px;border-radius:10px;background:var(--ai-gold);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;color:#fff;
}
.chat-head-txt{flex:1;}
.chat-head-txt strong{display:block;font-size:13px;}
.chat-head-txt small{font-size:11px;color:var(--ai-mint);}
.chat-body{
  overflow-y:auto;background:var(--ai-sand2);
  padding:12px;display:flex;flex-direction:column;gap:10px;
}
.msg{
  max-width:88%;padding:10px 12px;border-radius:12px;font-size:13px;line-height:1.5;
  animation:msg-in .35s ease;
}
@keyframes msg-in{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.msg.ai{align-self:flex-start;background:#fff;border:1px solid rgba(30,26,18,.08);color:#333;}
.msg.user{align-self:flex-end;background:var(--ai-bg);color:#fff;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.chip{
  border:1px solid var(--ai-green);background:rgba(29,158,117,.1);color:#0d5c44;
  padding:6px 12px;border-radius:100px;font-size:12px;cursor:pointer;font-family:inherit;
  transition:all .2s;
}
.chip:hover{background:var(--ai-green);color:#fff;}
.chat-input-row{
  display:flex;gap:8px;padding:12px;background:#fff;border-top:1px solid rgba(30,26,18,.08);
  flex-shrink:0;
}
.chat-input-row input{
  flex:1;border:1px solid rgba(30,26,18,.15);border-radius:10px;padding:10px 12px;
  font-family:inherit;font-size:14px;outline:none;transition:border-color .2s;
}
.chat-input-row input:focus{border-color:var(--ai-green);}
.chat-send{
  background:var(--ai-green);color:#fff;border:none;padding:0 16px;border-radius:10px;
  font-weight:500;cursor:pointer;font-family:inherit;font-size:13px;transition:background .2s;
}
.chat-send:hover{background:#178f68;}
.chat-send:disabled{opacity:.5;cursor:not-allowed;}

.ex-wrap{background:var(--ai-sand);padding:32px 16px;}
.ex-inner{max-width:1100px;margin:0 auto;}
.ex-title{
  font-family:'Montserrat',sans-serif;font-size:clamp(18px,2.6vw,26px);
  text-align:center;margin-bottom:20px;color:var(--ai-bg);
}
.ex-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.ex-card{
  border-radius:12px;padding:14px 14px;text-align:center;
  color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.25);
  min-height:0;display:flex;flex-direction:column;justify-content:center;
  transition:transform .25s;
}
.ex-card:hover{transform:translateY(-2px);}
.ex-card .av{font-size:28px;margin-bottom:6px;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2));}
.ex-card .nm{font-weight:500;font-size:13px;}
.ex-card .meta{font-size:11px;opacity:.95;margin-top:4px;line-height:1.35;}

.art-seo{
  background:var(--ai-cream);border-top:1px solid rgba(30,26,18,.1);
  padding:40px 16px 56px;
}
.art-seo-inner{max-width:820px;margin:0 auto;}
.art-seo-kicker{
  font-size:10px;letter-spacing:3px;text-transform:uppercase;color:var(--ai-green);
  text-align:center;margin-bottom:10px;
}
.art-seo > .art-seo-inner > h2{
  font-family:'Montserrat',sans-serif;font-size:clamp(22px,3vw,28px);
  text-align:center;color:var(--ai-bg);margin-bottom:8px;font-weight:400;
}
.art-seo-lead{
  text-align:center;font-size:14px;color:#5a4e3e;max-width:640px;margin:0 auto 28px;line-height:1.6;
}
.art-seo-lang-nav{
  display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:32px;
}
.art-seo-lang-nav a{
  font-size:12px;color:var(--ai-green);text-decoration:none;padding:6px 14px;
  border:1px solid rgba(29,158,117,.4);border-radius:100px;transition:all .2s;
}
.art-seo-lang-nav a:hover{background:rgba(29,158,117,.1);}
.art-seo-block{
  margin-bottom:40px;padding-bottom:36px;border-bottom:1px solid rgba(30,26,18,.08);
}
.art-seo-block:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0;}
.art-seo-block[lang="en"]{margin-top:8px;}
.art-seo-block h3.art-seo-article-title{
  font-family:'Montserrat',sans-serif;font-size:20px;color:var(--ai-bg);
  margin-bottom:16px;font-weight:400;line-height:1.3;
}
.art-seo-block h4{
  font-size:15px;font-weight:500;color:var(--ai-bg);margin:22px 0 10px;
}
.art-seo-block p{
  font-size:14px;color:#4a4038;margin-bottom:12px;line-height:1.65;
}
.art-seo-block ul{margin:10px 0 14px 1.2em;color:#4a4038;font-size:14px;line-height:1.55;}
.art-seo-block li{margin-bottom:6px;}
.art-seo-block a{color:var(--ai-green);text-decoration:underline;text-underline-offset:2px;}
.hidden{display:none!important;}

@media(max-width:1024px){
  .ai-work-grid{grid-template-columns:1fr;}
  .ai-work-left{border-right:none;border-bottom:1px solid rgba(30,26,18,.08);max-width:420px;margin:0 auto;width:100%;}
  .ai-work-right .chat-body{min-height:220px;max-height:50vh;}
  .mini-zones{grid-template-columns:1fr;}
}
@media(max-width:768px){
  .ex-grid{grid-template-columns:1fr;}
}