:root{
  /* ====== TOKENS ====== */
  --paper:        #F2EEE6;
  --paper-deep:   #E9E2D4;
  --ink:          #211C16;
  --ink-soft:     #5B5347;
  --line:         #D8D0BF;
  --coral:        #FF4B2E;
  --coral-deep:   #D6391E;
  --coral-tint:   #FFE4DB;
  --sage:         #6B7A5E;
  --white:        #FFFCF6;

  --font-display: 'Fraunces', serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'Space Mono', monospace;

  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 22px;

  --shadow-card: 0 1px 2px rgba(33,28,22,0.04), 0 8px 24px -8px rgba(33,28,22,0.10);
  --shadow-pop:  0 4px 8px rgba(33,28,22,0.06), 0 24px 48px -16px rgba(33,28,22,0.20);
}

*{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; }
body{
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
button{ font-family: inherit; cursor:pointer; }
a{ color:inherit; text-decoration:none; }
input, textarea, select{ font-family: inherit; font-size: inherit; color: inherit; }

::selection{ background: var(--coral); color: var(--white); }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--coral-deep);
  display:flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{
  content:"";
  width:6px; height:6px;
  background: var(--coral);
  border-radius:50%;
  display:inline-block;
}

.container{
  width:100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 640px){
  .container{ padding: 0 20px; }
}

h1,h2,h3,h4{ font-family: var(--font-display); font-weight:600; line-height:1.08; letter-spacing:-0.01em; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight:600;
  font-size:14.5px;
  border: 1.5px solid transparent;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background: var(--ink);
  color: var(--white);
}
.btn-primary:hover{
  background: var(--coral);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -8px rgba(255,75,46,0.55);
}
.btn-ghost{
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover{
  background: var(--ink);
  color: var(--white);
  transform: translateY(-2px);
}
.btn-sm{ padding: 10px 18px; font-size: 13px; }
.btn:active{ transform: translateY(0); }
.btn[disabled]{ opacity:.5; cursor:not-allowed; transform:none !important; box-shadow:none !important; }

.tag{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  display:inline-flex;
  align-items:center;
  gap:6px;
}

/* ====== SCROLLBAR (subtle) ====== */
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background: var(--paper); }
::-webkit-scrollbar-thumb{ background: var(--line); border-radius:8px; }
::-webkit-scrollbar-thumb:hover{ background: var(--ink-soft); }

/* ====================== NAV ====================== */
.nav{
  position: sticky;
  top:0;
  z-index: 100;
  background: rgba(242,238,230,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 18px 32px;
  max-width: 1180px;
  margin:0 auto;
}
.logo{
  font-family: var(--font-display);
  font-size: 22px;
  font-weight:700;
  display:flex;
  align-items:baseline;
  gap:6px;
}
.logo .dot{ color: var(--coral); }
.nav-links{
  display:flex;
  gap:30px;
  align-items:center;
}
.nav-links a{
  font-size: 14px;
  font-weight:500;
  color: var(--ink-soft);
  position:relative;
  padding: 4px 0;
}
.nav-links a:hover{ color: var(--ink); }
.nav-links a::after{
  content:"";
  position:absolute;
  left:0; right:100%; bottom:-2px;
  height:1.5px;
  background: var(--coral);
  transition: right .22s ease;
}
.nav-links a:hover::after{ right:0; }
.nav-cta{ display:flex; gap:10px; align-items:center; }
.nav-burger{ display:none; }

@media (max-width: 860px){
  .nav-links{ display:none; }
  .nav-burger{
    display:flex; align-items:center; justify-content:center;
    width:40px; height:40px; border-radius:50%;
    border:1.5px solid var(--ink);
    background:none;
  }
}

/* ====================== HERO ====================== */
.hero{
  padding: 76px 0 60px;
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items:center;
}
.hero h1{
  font-size: clamp(40px, 5.4vw, 68px);
  margin-top:18px;
}
.hero h1 em{
  font-style: italic;
  color: var(--coral-deep);
  position:relative;
  white-space:nowrap;
}
.hero-sub{
  margin-top: 22px;
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 480px;
  line-height:1.6;
}
.hero-actions{
  margin-top: 34px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.hero-meta{
  margin-top: 42px;
  display:flex;
  gap:32px;
  flex-wrap:wrap;
}
.hero-meta .stat-num{
  font-family: var(--font-display);
  font-size: 28px;
  font-weight:600;
}
.hero-meta .stat-label{
  font-size: 12.5px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
}

/* signature element: sketch -> final artboard */
.hero-art{
  position:relative;
  aspect-ratio: 1/1.05;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-pop);
  overflow:hidden;
}
.hero-art-bar{
  display:flex;
  gap:6px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.hero-art-bar span{
  width:9px; height:9px; border-radius:50%;
  background: var(--line);
}
.hero-art-canvas{
  position:relative;
  height: calc(100% - 45px);
}
.hero-art-canvas svg{ width:100%; height:100%; }
.sketch-path{
  fill:none;
  stroke: var(--ink);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
  animation: draw 3.4s ease forwards infinite;
}
.fill-block{
  opacity:0;
  animation: fadeBlock 3.4s ease forwards infinite;
}
@keyframes draw{
  0%{ stroke-dashoffset:1400; }
  45%{ stroke-dashoffset:0; }
  85%{ stroke-dashoffset:0; }
  100%{ stroke-dashoffset:0; opacity:0; }
}
@keyframes fadeBlock{
  0%, 40%{ opacity:0; }
  60%{ opacity:1; }
  88%{ opacity:1; }
  100%{ opacity:1; }
}
@media (prefers-reduced-motion: reduce){
  .sketch-path{ animation:none; stroke-dashoffset:0; }
  .fill-block{ animation:none; opacity:1; }
}

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-art{ order:-1; max-width:420px; margin:0 auto; }
}

/* ====================== SERVICES (artboard cards) ====================== */
.section{ padding: 96px 0; }
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  margin-bottom: 48px;
  flex-wrap:wrap;
}
.section-head h2{ font-size: clamp(30px,3.6vw,42px); margin-top:10px; }
.section-head p{ color: var(--ink-soft); max-width:380px; font-size:15px; }

.services-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.service-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px;
  position:relative;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  cursor:pointer;
  display:flex;
  flex-direction:column;
  min-height: 240px;
}
.service-card:hover{
  transform: translateY(-5px);
  box-shadow: var(--shadow-pop);
  border-color: var(--ink);
}
.service-card .corner{
  position:absolute; top:18px; right:18px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
}
.service-icon{
  width:46px; height:46px;
  border-radius: 10px;
  background: var(--coral-tint);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:22px;
  color: var(--coral-deep);
}
.service-card h3{ font-size:20px; margin-bottom:10px; }
.service-card p{ font-size:14px; color: var(--ink-soft); flex:1; }
.service-card .price{
  margin-top:18px;
  font-family: var(--font-mono);
  font-size:13px;
  color: var(--ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-top:1px dashed var(--line);
  padding-top:14px;
}
.service-card .price .arrow{ transition: transform .18s ease; }
.service-card:hover .price .arrow{ transform: translateX(4px); }

@media (max-width: 900px){ .services-grid{ grid-template-columns: 1fr; } }

.service-skeleton{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  min-height: 240px;
  position: relative;
  overflow: hidden;
}
.service-skeleton::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
  animation: skeletonShine 1.4s ease-in-out infinite;
}
@keyframes skeletonShine{
  0%{ transform: translateX(-100%); }
  100%{ transform: translateX(100%); }
}
.services-empty{
  grid-column: 1/-1;
  text-align:center;
  padding: 50px 20px;
  color: var(--ink-soft);
  font-size: 14px;
}

/* ====================== AI SLIDE SECTION ====================== */
.ai-section{
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-lg);
  margin: 0 32px;
  padding: 64px 48px;
  position:relative;
  overflow:hidden;
}
.ai-section::before{
  content:"";
  position:absolute;
  width:480px; height:480px;
  background: radial-gradient(circle, rgba(255,75,46,0.35), transparent 70%);
  top:-180px; right:-140px;
  pointer-events:none;
}
.ai-grid{
  display:grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap:54px;
  position:relative;
  z-index:1;
}
.ai-section .eyebrow{ color: var(--coral); }
.ai-section h2{ color: var(--white); font-size: clamp(28px,3.2vw,38px); margin-top:14px; }
.ai-section .desc{ color: #C9C2B4; margin-top:16px; font-size:15.5px; max-width:440px; line-height:1.65; }
.ai-steps{ margin-top:32px; display:flex; flex-direction:column; gap:16px; }
.ai-step{ display:flex; gap:14px; align-items:flex-start; }
.ai-step-num{
  font-family: var(--font-mono);
  font-size:12px;
  color: var(--coral);
  border: 1px solid rgba(255,75,46,0.5);
  width:26px; height:26px;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.ai-step-text{ font-size:14px; color:#D8D2C5; padding-top:3px; }
.ai-step-text b{ color:var(--white); }

.ai-panel{
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 26px;
}
.dropzone{
  border: 1.5px dashed rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  padding: 36px 20px;
  text-align:center;
  transition: border-color .2s ease, background .2s ease;
}
.dropzone.drag{ border-color: var(--coral); background: rgba(255,75,46,0.08); }
.dropzone svg{ margin:0 auto 14px; color: var(--coral); }
.dropzone p{ font-size:13.5px; color:#C9C2B4; }
.dropzone .filename{ font-family: var(--font-mono); color: var(--white); font-size:13px; margin-top:10px; word-break:break-all; }
.dropzone input{ display:none; }
.dz-link{ color: var(--coral); text-decoration:underline; cursor:pointer; }

.ai-panel-actions{ margin-top:18px; display:flex; gap:10px; }
.ai-progress{ margin-top:20px; display:none; }
.ai-progress.show{ display:block; }
.ai-progress-bar{ height:5px; background:rgba(255,255,255,0.1); border-radius:4px; overflow:hidden; }
.ai-progress-fill{ height:100%; width:0%; background: linear-gradient(90deg, var(--coral), #FF8A6E); transition: width .3s ease; }
.ai-progress-label{ font-family: var(--font-mono); font-size:11.5px; color:#C9C2B4; margin-top:8px; }

.ai-result{ margin-top:20px; display:none; }
.ai-result.show{ display:block; }
.outline-list{ max-height:260px; overflow-y:auto; display:flex; flex-direction:column; gap:8px; margin-top:14px; padding-right:6px; }
.outline-item{
  background: rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:8px;
  padding:10px 12px;
  font-size:12.5px;
}
.outline-item .ot-type{ font-family:var(--font-mono); color: var(--coral); font-size:10px; text-transform:uppercase; }
.outline-item .ot-title{ color:var(--white); font-weight:600; margin-top:3px; }

@media (max-width: 900px){
  .ai-section{ margin:0 20px; padding: 44px 24px; }
  .ai-grid{ grid-template-columns:1fr; }
}

/* ====================== PROCESS ====================== */
.process-list{
  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap:1px;
  background: var(--line);
  border:1px solid var(--line);
  border-radius: var(--radius-md);
  overflow:hidden;
}
.process-item{
  background: var(--paper);
  padding: 30px 24px;
}
.process-item .pnum{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--coral-deep);
}
.process-item h4{ font-size:17px; margin-top:14px; margin-bottom:8px; }
.process-item p{ font-size:13.5px; color: var(--ink-soft); }
@media (max-width: 900px){ .process-list{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .process-list{ grid-template-columns: 1fr; } }

/* ====================== LOOKUP SECTION ====================== */
.lookup-box{
  background: var(--white);
  border:1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 48px;
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap:48px;
  align-items:center;
}
.lookup-form{ display:flex; flex-direction:column; gap:14px; }
.lookup-form .input-row{ display:flex; gap:10px; }
.field{
  width:100%;
  padding: 14px 16px;
  border:1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  font-size:14.5px;
  transition: border-color .18s ease, background .18s ease;
}
.field:focus{ outline:none; border-color: var(--ink); background: var(--white); }
.field.mono{ font-family: var(--font-mono); letter-spacing:0.03em; }

.order-result{ display:none; }
.order-result.show{ display:block; }
.order-result-card{
  border:1.5px solid var(--ink);
  border-radius: var(--radius-md);
  padding:24px;
  background: var(--paper);
}
.order-result-card .or-code{ font-family: var(--font-mono); font-size:13px; color: var(--ink-soft); }
.order-result-card .or-status{
  display:inline-flex;
  margin-top:10px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  font-family: var(--font-mono);
}
.status-pending{ background:#FFF0DC; color:#9A6300; }
.status-progress{ background:#DCEBFF; color:#1A53A8; }
.status-done{ background:#DFF3E1; color:#226B30; }
.status-cancel{ background:#FBE0DC; color:#A8311A; }

.order-track{ margin-top:24px; display:flex; flex-direction:column; gap:0; }
.track-row{ display:flex; gap:14px; }
.track-dot-col{ display:flex; flex-direction:column; align-items:center; }
.track-dot{ width:12px; height:12px; border-radius:50%; background: var(--line); flex-shrink:0; margin-top:3px; }
.track-dot.active{ background: var(--coral); }
.track-line{ width:1.5px; flex:1; background: var(--line); min-height:24px; }
.track-row:last-child .track-line{ display:none; }
.track-content{ padding-bottom:22px; }
.track-content .tc-title{ font-size:14px; font-weight:600; }
.track-content .tc-title.muted{ color: var(--ink-soft); font-weight:500; }

.lookup-empty{ font-size:14px; color: var(--ink-soft); }
.lookup-error{ color:#A8311A; font-size:13.5px; margin-top:6px; display:none; }
.lookup-error.show{ display:block; }

@media (max-width: 900px){
  .lookup-box{ grid-template-columns:1fr; padding:32px 24px; }
}

/* ====================== FOOTER ====================== */
.footer{
  border-top:1px solid var(--line);
  padding: 56px 0 0;
  margin-top:60px;
}
.footer-grid{
  display:grid; grid-template-columns: 1.6fr 1fr 1fr; gap:40px;
  padding-bottom:44px;
}
.footer-logo{ font-family:var(--font-display); font-size:19px; font-weight:700; color:var(--ink); }
.footer-logo .dot{ color:var(--coral); }
.footer-tagline{ font-size:13px; color:var(--ink-soft); margin:10px 0 18px; max-width:280px; line-height:1.6; }
.footer-col h4{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase;
  color:var(--ink-soft); margin-bottom:16px; font-weight:600;
}
.footer-col a{ display:block; font-size:13.5px; color:var(--ink-soft); margin-bottom:12px; }
.footer-col a:hover{ color:var(--coral-deep); }

/* Footer - khối liên hệ (render động từ site_config) */
.footer-contact{ display:flex; flex-direction:column; gap:9px; }
.footer-contact a, .footer-contact span{
  display:inline-flex; align-items:center; gap:7px;
  font-size:13px; color:var(--ink-soft); margin:0;
}
.footer-contact a:hover{ color:var(--coral-deep); }

.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px;
  border-top:1px solid var(--line); padding:22px 0;
}
.footer-bottom p{ font-size:12.5px; color:var(--ink-soft); }
.footer-badges{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; }

@media (max-width:760px){
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
}

/* Nút liên hệ nổi góc phải */
.contact-fab{
  position:fixed; right:22px; bottom:22px; z-index:60;
  width:56px; height:56px; border-radius:50%;
  background:var(--coral); color:var(--white);
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-pop); cursor:pointer; border:none;
  transition:transform .15s ease;
}
.contact-fab:hover{ transform:scale(1.06); }
.contact-fab svg{ width:24px; height:24px; }

.contact-card{
  position:fixed; right:22px; bottom:90px; z-index:60;
  width:280px; max-width:calc(100vw - 44px);
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-pop); padding:18px 20px;
  opacity:0; transform:translateY(12px) scale(.98); pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;
}
.contact-card.show{ opacity:1; transform:translateY(0) scale(1); pointer-events:auto; }
.contact-card h4{ font-family:var(--font-display); font-size:17px; margin-bottom:12px; }
.contact-card .cc-row{
  display:flex; align-items:center; gap:10px;
  padding:9px 0; border-bottom:1px solid var(--line);
  font-size:13.5px; color:var(--ink); text-decoration:none;
}
.contact-card .cc-row:last-child{ border-bottom:none; }
.contact-card .cc-row span.cc-ic{ font-size:16px; }
.contact-card .cc-close{
  position:absolute; top:12px; right:14px; cursor:pointer;
  color:var(--ink-soft); font-size:18px; line-height:1; background:none; border:none;
}

/* ===================== LIVE CHAT WIDGET ===================== */
.contact-fab .chat-fab-badge{
  position:absolute; top:-2px; right:-2px; min-width:16px; height:16px; padding:0 4px;
  background:var(--ink); color:var(--white); border-radius:99px;
  font-size:10px; font-weight:700; line-height:16px; text-align:center;
  border:1.5px solid var(--white);
}

.chat-panel{
  position:fixed; right:22px; bottom:90px; z-index:65;
  width:340px; max-width:calc(100vw - 44px); height:min(520px, calc(100vh - 160px));
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-pop); display:flex; flex-direction:column; overflow:hidden;
  opacity:0; transform:translateY(12px) scale(.98); pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;
}
.chat-panel.show{ opacity:1; transform:translateY(0) scale(1); pointer-events:auto; }
.chat-panel-head{
  padding:16px 18px; background:var(--ink); color:var(--white);
  display:flex; align-items:center; justify-content:space-between; flex-shrink:0;
}
.chat-panel-head h4{ font-family:var(--font-display); font-size:16px; }
.chat-panel-head .chp-sub{ font-size:11px; color:#B8B0A0; margin-top:2px; }
.chat-panel-head button{ background:none; border:none; color:var(--white); font-size:20px; cursor:pointer; line-height:1; }

.chat-body{ flex:1; overflow-y:auto; padding:16px; display:flex; flex-direction:column; gap:10px; }
.chat-msg{ max-width:80%; padding:9px 13px; border-radius:14px; font-size:13.5px; line-height:1.45; }
.chat-msg.customer{ align-self:flex-end; background:var(--coral); color:var(--white); border-bottom-right-radius:4px; }
.chat-msg.admin{ align-self:flex-start; background:var(--paper-deep); color:var(--ink); border-bottom-left-radius:4px; }
.chat-msg .cm-time{ font-size:9.5px; opacity:.7; margin-top:4px; }

.chat-input-row{ display:flex; gap:8px; padding:12px; border-top:1px solid var(--line); flex-shrink:0; }
.chat-input-row input{
  flex:1; padding:10px 14px; border:1.5px solid var(--line); border-radius:999px; font-size:13.5px;
  font-family:inherit;
}
.chat-input-row button{
  width:38px; height:38px; border-radius:50%; background:var(--ink); color:var(--white); border:none;
  display:flex; align-items:center; justify-content:center; flex-shrink:0; cursor:pointer;
}

.chat-start{ padding:20px 18px; overflow-y:auto; }
.chat-start .warn-box{
  background:var(--coral-tint); border:1px solid var(--coral); border-radius:12px;
  padding:14px 16px; font-size:12.5px; color:var(--coral-deep); line-height:1.6; margin-bottom:16px;
}
.chat-start label{ font-size:12.5px; font-weight:600; margin-bottom:5px; display:block; }
.chat-start input{
  width:100%; padding:10px 13px; border:1.5px solid var(--line); border-radius:8px; font-size:13.5px;
  margin-bottom:12px; font-family:inherit;
}
.chat-start .err{ color:var(--coral-deep); font-size:12px; margin-bottom:10px; display:none; }
.chat-start .err.show{ display:block; }
.chat-closed-note{ padding:30px 20px; text-align:center; font-size:13px; color:var(--ink-soft); }

/* ====================== ORDER MODAL ====================== */
.modal-overlay{
  position:fixed; inset:0;
  background: rgba(33,28,22,0.55);
  backdrop-filter: blur(3px);
  z-index:1000;
  display:none;
  align-items:flex-start;
  justify-content:center;
  padding: 40px 20px;
  overflow-y:auto;
}
.modal-overlay.show{ display:flex; animation: overlayIn .25s ease; }
@keyframes overlayIn{ from{ opacity:0; } to{ opacity:1; } }

.modal{
  background: var(--paper);
  border-radius: var(--radius-lg);
  max-width: 620px;
  width:100%;
  margin-top: 24px;
  box-shadow: var(--shadow-pop);
  animation: modalIn .3s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes modalIn{ from{ opacity:0; transform: translateY(18px) scale(.98); } to{ opacity:1; transform:none; } }

.modal-head{
  display:flex; justify-content:space-between; align-items:center;
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
}
.modal-head h3{ font-size:21px; }
.modal-close{
  width:34px; height:34px; border-radius:50%;
  border:1.5px solid var(--line);
  background:var(--white);
  display:flex; align-items:center; justify-content:center;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.modal-close:hover{ background: var(--ink); border-color:var(--ink); color:var(--white); transform: rotate(90deg); }

.modal-body{ padding: 26px 28px 30px; }
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group{ display:flex; flex-direction:column; gap:7px; }
.form-group.full{ grid-column: 1/-1; }
.form-group label{ font-size:12.5px; font-weight:600; color: var(--ink-soft); }
.form-group label .req{ color:var(--coral-deep); }
textarea.field{ resize:vertical; min-height:90px; }

.service-pills{ display:flex; flex-wrap:wrap; gap:8px; }
.service-pill{
  padding: 9px 16px;
  border-radius:999px;
  border: 1.5px solid var(--line);
  font-size:13px;
  background: var(--white);
  transition: all .16s ease;
}
.service-pill.active{ background: var(--ink); border-color:var(--ink); color: var(--white); }
.payment-hint{ font-size:12px; color: var(--ink-soft); margin-top:8px; min-height:16px; }

.modal-submit-row{ margin-top:24px; display:flex; align-items:center; justify-content:space-between; gap:16px; }
.modal-error{ color:#A8311A; font-size:13px; display:none; }
.modal-error.show{ display:block; }

/* ----- success / payment view ----- */
.pay-view{ display:none; }
.pay-view.show{ display:block; }
.pay-code-box{
  text-align:center;
  padding: 22px;
  background: var(--white);
  border: 1.5px dashed var(--coral);
  border-radius: var(--radius-md);
}
.pay-code-box .pc-label{ font-family: var(--font-mono); font-size:11.5px; color: var(--ink-soft); text-transform:uppercase; letter-spacing:0.08em; }
.pay-code-box .pc-code{ font-family: var(--font-mono); font-size:28px; font-weight:700; color: var(--coral-deep); margin-top:8px; letter-spacing:0.02em; }
.pay-code-box .pc-copy{ margin-top:10px; font-size:12px; }

.pay-qr-wrap{ display:flex; gap:22px; margin-top:24px; align-items:center; }
.pay-qr-wrap img{ width:160px; height:160px; border-radius:10px; border:1px solid var(--line); flex-shrink:0; background:#fff; }
.pay-info{ font-size:13.5px; }
.pay-info .pi-row{ display:flex; justify-content:space-between; padding:7px 0; border-bottom:1px dashed var(--line); }
.pay-info .pi-row span:first-child{ color: var(--ink-soft); }
.pay-info .pi-row span:last-child{ font-weight:600; font-family: var(--font-mono); }

.pay-note{ margin-top:18px; font-size:12.5px; color: var(--ink-soft); background: var(--paper-deep); padding:14px 16px; border-radius:8px; }

@media (max-width: 560px){
  .form-grid{ grid-template-columns:1fr; }
  .pay-qr-wrap{ flex-direction:column; }
}

/* ====================== TOAST ====================== */
.toast{
  position:fixed; bottom:24px; left:50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--white);
  padding: 14px 22px; border-radius: 999px; font-size:13.5px;
  display:flex; align-items:center; gap:10px;
  box-shadow: var(--shadow-pop);
  z-index: 2000;
  opacity:0; pointer-events:none;
  transition: all .3s cubic-bezier(.2,.9,.3,1.2);
}
.toast.show{ opacity:1; transform: translateX(-50%) translateY(0); pointer-events:auto; }
.toast .t-dot{ width:7px; height:7px; border-radius:50%; background: var(--coral); }

/* spinner */
.spin{ animation: spin 0.9s linear infinite; }
@keyframes spin{ to{ transform: rotate(360deg); } }

/* ====================== ANNOUNCE POPUP ====================== */
.announce-overlay{
  position:fixed; inset:0;
  background: rgba(33,28,22,0.55);
  backdrop-filter: blur(3px);
  z-index:1500;
  display:none;
  align-items:center;
  justify-content:center;
  padding: 20px;
}
.announce-overlay.show{ display:flex; animation: overlayIn .25s ease; }

.announce-box{
  position:relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 420px;
  width:100%;
  overflow:hidden;
  box-shadow: var(--shadow-pop);
  animation: modalIn .3s cubic-bezier(.2,.9,.3,1.2);
}
.announce-box .ap-img{ width:100%; max-height:200px; object-fit:cover; display:block; }
.announce-box .ap-body{ padding:22px 24px 6px; }
.announce-box .ap-tag{ font-family:var(--font-mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--coral-deep); margin-bottom:8px; }
.announce-box .ap-title{ font-family:var(--font-display); font-size:21px; font-weight:600; margin-bottom:8px; }
.announce-box .ap-desc{ font-size:14px; color:var(--ink-soft); line-height:1.6; white-space:pre-line; }
.announce-box .ap-footer{ padding:18px 24px 24px; display:flex; justify-content:flex-end; align-items:center; gap:16px; }
.announce-box .ap-skip{ font-size:12.5px; color:var(--ink-soft); text-decoration:underline; cursor:pointer; background:none; border:none; padding:0; }
.announce-box .ap-btn{ display:inline-flex; padding:11px 22px; border-radius:999px; background:var(--ink); color:var(--white); font-size:13.5px; font-weight:600; transition: background .18s ease, transform .18s ease; }
.announce-box .ap-btn:hover{ background:var(--coral); transform: translateY(-2px); }
.announce-close{
  position:absolute; top:12px; right:12px; z-index:2;
  width:32px; height:32px; border-radius:50%;
  border:1.5px solid var(--line);
  background:var(--white);
  display:flex; align-items:center; justify-content:center;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.announce-close:hover{ background: var(--ink); border-color:var(--ink); color:var(--white); transform: rotate(90deg); }

/* =====================================================================
   KHÁCH HÀNG ƯU TIÊN — overlay chào mừng (đồng bộ với account.html)
===================================================================== */
.vip-welcome-overlay{
  position:fixed; inset:0; z-index:3000;
  background:radial-gradient(circle at 50% 30%, #1a1710 0%, #000 75%);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:opacity .5s ease;
}
.vip-welcome-overlay.show{ opacity:1; pointer-events:auto; }
.vip-welcome-inner{ text-align:center; transform:translateY(14px); opacity:0; transition:all .7s cubic-bezier(.2,.8,.3,1.1); padding:0 24px; }
.vip-welcome-overlay.show .vip-welcome-inner{ transform:translateY(0); opacity:1; }
.vip-welcome-crest{ font-size:38px; margin-bottom:18px; filter:drop-shadow(0 0 14px rgba(232,200,126,.55)); }
.vip-welcome-tag{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.22em; text-transform:uppercase;
  color:#B8952E; margin-bottom:14px;
}
.vip-welcome-name{
  font-family:var(--font-display); font-size:34px; color:#F3E9C9;
  background:linear-gradient(120deg,#E8C87E,#FFF6DC,#B8952E);
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
  margin-bottom:10px;
}
.vip-welcome-sub{ font-size:13.5px; color:#8A805F; max-width:340px; margin:0 auto; line-height:1.6; }
.vip-welcome-line{ width:64px; height:1px; background:linear-gradient(90deg,transparent,#B8952E,transparent); margin:22px auto; }

.vip-nav-badge{
  display:inline-flex; align-items:center; gap:4px;
  background:linear-gradient(135deg,#E8C87E,#B8952E); color:#171408 !important;
  border-color:transparent !important;
}