:root {
  --ink: #171717;
  --muted: #777;
  --line: #e8e8e8;
  --paper: #fff;
  --soft: #f6f6f6;
  --accent: #E00182;
  font-family: "DM Sans", "Noto Sans Thai", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "DM Sans", "Noto Sans Thai", sans-serif; }
button, textarea { font: inherit; }
.shell { min-height: 100svh; max-width: 1120px; margin: 0 auto; padding: 0 28px; display: flex; flex-direction: column; }
.topbar { height: 72px; width: 100vw; position: relative; left: 50%; margin-left: -50vw; display: flex; align-items: center; justify-content: space-between; background: #E00182; padding: 0 max(28px, calc((100vw - 1064px) / 2)); }
.brand { display: inline-flex; align-items: center; min-width: 0; text-decoration: none; }
.brand img { display: block; width: auto; height: 42px; max-width: min(58vw, 240px); object-fit: contain; }
.header-actions { display: flex; align-items: center; gap: 18px; }
.status { font-size: 10px; font-weight: 700; letter-spacing: 1px; color: #fff; display: flex; gap: 7px; align-items: center; }
.status i { width: 7px; height: 7px; border-radius: 50%; background: #42b978; display: inline-block; }
.language { border: 1px solid rgba(255,255,255,.8); background: #fff; color: #E00182; border-radius: 20px; min-width: 38px; height: 30px; font-size: 11px; font-weight: 700; cursor: pointer; }
.chat-layout { width: min(100%, 720px); margin: 0 auto; flex: 1; display: flex; flex-direction: column; padding: clamp(54px, 12vh, 120px) 0 26px; }
.intro { margin-bottom: 30px; }
.eyebrow { font-size: 9px; font-weight: 700; letter-spacing: 1.5px; color: var(--muted); margin: 0 0 18px; }
h1 { font-size: clamp(34px, 6vw, 56px); line-height: 1.05; letter-spacing: -2.6px; margin: 0 0 10px; font-weight: 600; }
.subhead { margin: 0; color: var(--muted); font-size: 14px; }
.suggestions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.suggestion { display: flex; align-items: center; gap: 9px; padding: 10px 13px; border: 1px solid var(--line); background: #fff; border-radius: 5px; color: var(--ink); cursor: pointer; font-size: 12px; transition: background .15s, border-color .15s; }
.suggestion span { color: #888; font-size: 13px; }
.suggestion:hover { background: var(--soft); border-color: #ccc; }
.messages { display: flex; flex-direction: column; gap: 16px; margin: 0 0 18px; }
.assistant-line { display: flex; align-items: flex-start; gap: 10px; max-width: 94%; }
.albert-avatar { width: 46px; height: 46px; flex: 0 0 46px; border-radius: 50%; object-fit: cover; border: 2px solid #E00182; background: #171717; }
.assistant-content { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 5px; }
.assistant-name { color: #E00182; font-size: 9px; font-weight: 700; letter-spacing: 1.1px; padding-left: 2px; }
.message { max-width: 88%; padding: 13px 15px; border-radius: 10px; font-size: 13px; line-height: 1.65; white-space: pre-wrap; overflow-wrap: anywhere; }
.message.user { align-self: flex-end; background: var(--ink); color: white; border-bottom-right-radius: 3px; }
.message.assistant { align-self: flex-start; max-width: 100%; background: var(--soft); color: var(--ink); border-bottom-left-radius: 3px; }
.message.error { color: #a22; }
.composer { display: flex; align-items: flex-end; gap: 10px; border: 1px solid #dcdcdc; border-radius: 9px; padding: 8px 9px 8px 15px; box-shadow: 0 4px 18px rgba(0,0,0,.035); background: white; }
.composer:focus-within { border-color: #999; }
textarea { resize: none; flex: 1; border: 0; outline: 0; min-height: 27px; max-height: 120px; padding: 5px 0; color: var(--ink); font-size: 13px; line-height: 1.5; background: transparent; }
textarea::placeholder { color: #999; }
.send { width: 34px; height: 34px; border: 0; border-radius: 6px; background: var(--ink); color: white; cursor: pointer; font-size: 22px; line-height: 1; display: grid; place-items: center; }
.send:disabled { opacity: .4; cursor: wait; }
.footnote { margin: 10px 2px 0; color: #999; font-size: 10px; line-height: 1.5; }
.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; }
@media (max-width: 600px) {
  .shell { padding: 0 18px; }
  .topbar { height: 62px; padding: 0 18px; }
  .brand img { height: 36px; max-width: 58vw; }
  .chat-layout { padding-top: 12vh; }
  .intro { margin-bottom: 24px; }
  .eyebrow { font-size: 8px; letter-spacing: 1px; }
  h1 { letter-spacing: -1.8px; }
  .suggestions { gap: 7px; }
  .suggestion { padding: 9px 10px; font-size: 11px; }
  .message { max-width: 94%; }
  .assistant-line { max-width: 100%; gap: 8px; }\n  .albert-avatar { width: 40px; height: 40px; flex-basis: 40px; }
}

/* Clean typography for ALBERT's formatted answers */
.message.assistant { white-space: normal; }
.message.assistant p { margin: 0 0 9px; }
.message.assistant p:last-child { margin-bottom: 0; }
.message.assistant ul, .message.assistant ol { margin: 5px 0 10px; padding-left: 21px; }
.message.assistant li { margin: 4px 0; padding-left: 2px; }
.message.assistant strong { font-weight: 700; color: #222; }
.message.assistant a { color: #c90074; text-decoration: underline; text-underline-offset: 2px; }
.message.assistant code { background: #eee; border-radius: 4px; padding: 1px 4px; font-size: .92em; }


/* -------------------------------------------------------
   Refined spacing, fixed navigation/composer, subtle motion
   Keeps the original COMM ARTS AI visual design intact.
-------------------------------------------------------- */
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

/* Fixed pink navigation bar — original color and branding retained */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  margin-left: 0;
  transform: none;
  box-shadow: 0 2px 14px rgba(40, 15, 30, .08);
  transition: box-shadow .25s ease;
}

/* Give the page enough room below the fixed navigation */
.chat-layout {
  padding-top: clamp(112px, 14vh, 142px);
  padding-bottom: 124px;
  min-height: 100svh;
}

/* More consistent rhythm between content sections */
.intro { margin-bottom: clamp(24px, 4vh, 34px); }
.eyebrow { margin-bottom: 16px; }
h1 { line-height: 1.08; }
.subhead { line-height: 1.65; }
.suggestions { gap: 10px; margin-bottom: 26px; }
.suggestion {
  min-height: 42px;
  transition: transform .22s ease, background .22s ease,
              border-color .22s ease, box-shadow .22s ease;
}
.suggestion:hover {
  transform: translateY(-2px);
  border-color: rgba(224, 1, 130, .32);
  box-shadow: 0 5px 14px rgba(224, 1, 130, .08);
}
.suggestion:active { transform: translateY(0) scale(.98); }

/* Conversation spacing and gentle entrance motion */
.messages { gap: 18px; scroll-margin-top: 92px; }
.assistant-line, .message.user {
  animation: caMessageIn .32s cubic-bezier(.2,.75,.25,1) both;
}
.albert-avatar { transition: transform .25s ease, box-shadow .25s ease; }
.assistant-line:hover .albert-avatar { transform: translateY(-1px); }
.message { line-height: 1.72; }
.message.assistant {
  padding: 14px 16px;
  border: 1px solid rgba(0,0,0,.045);
}
.message.assistant p { margin: 0 0 10px; }
.message.assistant p:last-child { margin-bottom: 0; }
.message.assistant ul, .message.assistant ol { margin: 7px 0 11px; }
.message.assistant li { padding-left: 2px; }

/* Fixed bottom input dock, keeping the original black send button */
.composer {
  position: fixed;
  z-index: 90;
  left: 50%;
  bottom: max(42px, calc(env(safe-area-inset-bottom) + 42px));
  transform: translateX(-50%);
  width: min(664px, calc(100vw - 56px));
  margin: 0;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 5px 24px rgba(0,0,0,.09);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.composer:focus-within {
  border-color: var(--accent);
  box-shadow: 0 6px 25px rgba(224,1,130,.11);
}
.send { transition: transform .18s ease, background .18s ease; }
.send:hover { transform: translateY(-1px); background: var(--accent); }
.send:active { transform: scale(.96); }

/* Fixed disclaimer below the composer */
.footnote {
  position: fixed;
  z-index: 90;
  left: 50%;
  bottom: max(12px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(664px, calc(100vw - 56px));
  margin: 0;
  padding: 0 4px;
  text-align: center;
  background: rgba(255,255,255,.92);
}

/* Subtle page entrance — no redesign or large decorative elements */
.intro { animation: caFadeUp .55s ease-out both; }
.suggestions { animation: caFadeUp .55s .08s ease-out both; }
@keyframes caFadeUp {
  from { opacity: 0; transform: translateY(9px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes caMessageIn {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  .topbar { height: 62px; padding: 0 18px; }
  .chat-layout { padding-top: 88px; padding-bottom: 126px; }
  .intro { margin-bottom: 22px; }
  .suggestions { gap: 7px; margin-bottom: 22px; }
  .composer {
    width: calc(100vw - 32px);
    bottom: max(43px, calc(env(safe-area-inset-bottom) + 43px));
  }
  .footnote {
    width: calc(100vw - 30px);
    bottom: max(10px, env(safe-area-inset-bottom));
    font-size: 9px;
    line-height: 1.35;
  }
  .message.assistant { padding: 12px 13px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}


/* Welcome greeting: a little extra breathing room while preserving the original design. */
.message.welcome-message { line-height: 1.75; }
.message.welcome-message p + p { margin-top: 9px; }