:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-deep: #050d18;
  --sidebar: #081522;
  --surface: #0d1c2b;
  --surface-raised: #102337;
  --surface-hover: #142a3e;
  --line: rgba(155, 190, 210, .13);
  --line-green: rgba(0, 217, 154, .22);
  --green: #00d99a;
  --green-soft: #7ce8c4;
  --cyan: #00bfe8;
  --white: #f3f8fc;
  --text: #dce8ef;
  --muted: #91a8b8;
  --muted-dark: #698296;
  --radius: 15px;
  --shadow: 0 18px 55px rgba(0, 0, 0, .24);
}
* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; }
body {
  overflow: hidden;
  background: var(--bg);
  color: var(--white);
  font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, textarea { font: inherit; }
button { color: inherit; }
button:focus-visible, textarea:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.app-shell { display: flex; width: 100%; height: 100dvh; min-height: 520px; overflow: hidden; background: radial-gradient(ellipse at 75% 10%, rgba(0, 191, 232, .045), transparent 34%), var(--bg); }
.sidebar {
  position: relative; z-index: 10; display: flex; flex: 0 0 282px; flex-direction: column;
  padding: 25px 17px 17px; background: linear-gradient(180deg, #091827 0%, #071421 100%);
  border-right: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 4px; }
.brand-mark {
  position: relative; display: grid; width: 43px; height: 43px; flex: 0 0 43px; place-items: center;
  border: 1px solid rgba(0, 217, 154, .35); border-radius: 13px;
  background: linear-gradient(145deg, rgba(0, 217, 154, .16), rgba(0, 191, 232, .07));
  color: var(--green); font-size: 25px; box-shadow: inset 0 0 18px rgba(0, 217, 154, .045);
}
.brand-name { color: var(--white); font-size: 10px; font-weight: 700; letter-spacing: 1.15px; white-space: nowrap; }
.brand-subtitle { margin-top: 5px; color: var(--muted); font-size: 8px; font-weight: 600; letter-spacing: 1.65px; }
.sidebar-close { display: none !important; margin-left: auto; }
.new-chat {
  display: flex; align-items: center; gap: 10px; width: 100%; margin-top: 31px; padding: 13px 13px;
  border: 1px solid rgba(0, 217, 154, .3); border-radius: 10px;
  background: linear-gradient(110deg, rgba(0, 217, 154, .105), rgba(0, 191, 232, .045));
  color: var(--white); text-align: left; cursor: pointer; transition: border-color .2s, background .2s, transform .2s;
}
.new-chat:hover { border-color: rgba(0, 217, 154, .65); background: rgba(0, 217, 154, .12); transform: translateY(-1px); }
.new-chat-icon { color: var(--green); font-size: 19px; line-height: 1; }
.new-chat > span:nth-child(2) { flex: 1; font-size: 12px; font-weight: 600; }
.new-chat-shortcut { color: var(--muted-dark); font-size: 8px; letter-spacing: 1px; }
.sidebar-section-label { margin: 33px 8px 12px; color: var(--muted-dark); font-size: 9px; font-weight: 700; letter-spacing: 1.6px; }
.conversation-list { flex: 1; min-height: 0; overflow: auto; scrollbar-width: thin; scrollbar-color: #294357 transparent; }
.empty-list { padding: 10px 8px; color: var(--muted-dark); font-size: 11px; line-height: 1.7; }
.conversation-item {
  display: block; width: 100%; margin: 3px 0; padding: 11px 10px; overflow: hidden;
  border: 1px solid transparent; border-radius: 8px; background: transparent; color: #b8cbd7;
  text-align: left; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; font-size: 11px;
  transition: background .18s, border-color .18s, color .18s;
}
.conversation-item:hover { border-color: var(--line); background: rgba(255,255,255,.035); color: var(--white); }
.conversation-item.active { border-color: rgba(0, 217, 154, .18); background: rgba(0, 217, 154, .07); color: var(--green-soft); }
.sidebar-bottom { padding-top: 15px; border-top: 1px solid var(--line); }
.sidebar-status { display: flex; align-items: center; gap: 10px; padding: 3px 6px 12px; }
.status-dot { display: inline-block; width: 7px; height: 7px; flex: 0 0 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 9px rgba(0,217,154,.42); }
.status-copy { display: flex; flex-direction: column; gap: 4px; }
.status-copy strong { color: #dce8ef; font-size: 9px; letter-spacing: 1px; }
.status-copy small { color: var(--muted-dark); font-size: 9px; }
.sidebar-tagline { padding: 10px 6px 0; border-top: 1px solid rgba(155,190,210,.07); color: #627c8e; font-size: 8px; letter-spacing: 1.15px; white-space: nowrap; }
.sidebar-tagline i { color: var(--green); font-style: normal; }
.main-panel { display: flex; min-width: 0; flex: 1; flex-direction: column; }
.topbar {
  display: flex; height: 70px; flex: 0 0 70px; align-items: center; justify-content: space-between;
  padding: 0 32px; border-bottom: 1px solid var(--line); background: rgba(7, 17, 31, .72);
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 13px; }
.topbar-kicker { margin-bottom: 4px; color: var(--muted-dark); font-size: 8px; font-weight: 700; letter-spacing: 1.7px; }
.topbar-title { color: #e5eef4; font-family: "Space Grotesk", sans-serif; font-size: 12px; font-weight: 600; letter-spacing: 1.3px; }
.topbar-status { display: flex; align-items: center; gap: 8px; color: #9bb0bd; font-size: 8px; font-weight: 700; letter-spacing: 1.1px; }
.topbar-status .status-dot { width: 6px; height: 6px; flex-basis: 6px; }
.topbar-divider { width: 1px; height: 15px; background: var(--line); }
.topbar-version { color: var(--muted-dark); font-size: 8px; letter-spacing: 1.1px; }
.icon-button { display: grid; width: 35px; height: 35px; place-items: center; border: 1px solid var(--line); border-radius: 9px; background: rgba(255,255,255,.025); color: var(--text); cursor: pointer; }
.mobile-menu { display: none; }
.chat-area { position: relative; display: flex; min-height: 0; flex: 1; flex-direction: column; align-items: center; overflow-y: auto; padding: 32px 24px 20px; scrollbar-width: thin; scrollbar-color: #294357 transparent; }
.welcome { width: 100%; max-width: 760px; margin: auto; padding: 24px 0 32px; text-align: center; }
.welcome-orbit { position: relative; display: grid; width: 76px; height: 76px; place-items: center; margin: 0 auto 23px; }
.welcome-emblem { z-index: 1; display: grid; width: 52px; height: 52px; place-items: center; border: 1px solid rgba(0,217,154,.35); border-radius: 17px; background: linear-gradient(145deg, #102c36, #102234); color: var(--green); font-size: 30px; box-shadow: 0 0 28px rgba(0,217,154,.08), inset 0 0 16px rgba(0,217,154,.06); }
.orbit-ring { position: absolute; border: 1px solid rgba(0,217,154,.14); border-radius: 50%; }
.orbit-ring-one { inset: 3px; }
.orbit-ring-two { inset: -5px 12px; transform: rotate(42deg); border-color: rgba(0,191,232,.14); }
.eyebrow { display: flex; align-items: center; justify-content: center; gap: 9px; color: var(--green-soft); font-size: 9px; font-weight: 700; letter-spacing: 2.1px; }
.eyebrow span { width: 17px; height: 1px; background: var(--green); opacity: .7; }
.welcome h1 { margin: 17px 0 13px; color: var(--white); font-family: "Space Grotesk", sans-serif; font-size: clamp(43px, 6vw, 67px); font-weight: 600; line-height: 1.04; letter-spacing: -3.3px; }
.welcome h1 span { color: var(--green); }
.welcome-description { max-width: 470px; margin: 0 auto; color: var(--muted); font-size: 13px; line-height: 1.8; }
.suggestion-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 11px; margin-top: 34px; text-align: left; }
.suggestion {
  display: flex; min-height: 91px; align-items: flex-start; gap: 11px; padding: 15px 12px;
  border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(145deg, rgba(16,35,54,.92), rgba(11,27,43,.88));
  cursor: pointer; text-align: left; transition: transform .2s, border-color .2s, background .2s, box-shadow .2s;
}
.suggestion:hover { transform: translateY(-3px); border-color: var(--line-green); background: #10283a; box-shadow: 0 10px 30px rgba(0,0,0,.16); }
.suggestion-icon { display: grid; width: 29px; height: 29px; flex: 0 0 29px; place-items: center; border-radius: 9px; background: rgba(0,217,154,.09); font-size: 17px; }
.icon-green { color: var(--green); }
.icon-cyan { color: var(--cyan); background: rgba(0,191,232,.09); }
.suggestion > span:nth-child(2) { display: flex; min-width: 0; flex: 1; flex-direction: column; gap: 6px; }
.suggestion strong { color: #e4edf3; font-size: 10px; font-weight: 700; }
.suggestion small { color: var(--muted); font-size: 9px; line-height: 1.55; }
.suggestion-arrow { color: #648094; font-size: 13px; }
.welcome-footnote { margin-top: 31px; color: #60798c; font-size: 8px; font-weight: 600; letter-spacing: 1.3px; }
.tiny-spark { margin-right: 6px; color: var(--green); }
.messages { display: flex; width: 100%; max-width: 820px; flex-direction: column; gap: 23px; padding: 12px 0 30px; }
.message { display: flex; align-items: flex-start; gap: 13px; animation: message-in .22s ease-out both; }
@keyframes message-in { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.message-avatar { display: grid; width: 31px; height: 31px; flex: 0 0 31px; place-items: center; border: 1px solid rgba(0,217,154,.25); border-radius: 10px; background: rgba(0,217,154,.1); color: var(--green); font-size: 9px; font-weight: 800; }
.message.user .message-avatar { border-color: var(--line); background: #172a3c; color: #c5d5df; }
.message-body { min-width: 0; flex: 1; padding-top: 2px; }
.message-role { margin: 2px 0 7px; color: var(--green-soft); font-size: 9px; font-weight: 700; letter-spacing: 1.1px; }
.message.user .message-role { color: #9bb0bd; }
.message-content { color: #dce7ed; font-size: 13px; line-height: 1.8; overflow-wrap: anywhere; white-space: pre-wrap; }
.message.assistant .message-content { color: #c4d3dc; }
.message.pending .message-content { color: var(--muted); }
.composer-wrap { width: 100%; max-width: 900px; flex: 0 0 auto; margin: 0 auto; padding: 12px 26px 18px; }
.composer { padding: 13px 13px 10px 17px; border: 1px solid rgba(145,168,184,.23); border-radius: 15px; background: linear-gradient(145deg, #102235, #0c1b2a); box-shadow: var(--shadow); transition: border-color .2s, box-shadow .2s; }
.composer:focus-within { border-color: rgba(0,217,154,.48); box-shadow: 0 0 0 3px rgba(0,217,154,.045), var(--shadow); }
.composer textarea { display: block; width: 100%; min-height: 29px; max-height: 160px; resize: none; border: 0; outline: 0; background: transparent; color: var(--white); font-size: 13px; line-height: 1.65; }
.composer textarea::placeholder { color: #71899b; }
.composer-actions { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.composer-hint { color: #6f8799; font-size: 9px; }
.composer-hint span { padding: 0 4px; color: #40596d; }
.composer-actions button { display: grid; width: 35px; height: 35px; place-items: center; border: 0; border-radius: 10px; background: var(--green); color: #052018; cursor: pointer; font-size: 22px; font-weight: 700; transition: background .2s, transform .2s, box-shadow .2s; }
.composer-actions button:hover { transform: translateY(-1px); background: #35e8b2; box-shadow: 0 4px 17px rgba(0,217,154,.18); }
.composer-actions button:disabled { opacity: .45; cursor: wait; transform: none; box-shadow: none; }
.composer-note { margin-top: 10px; color: #60798c; text-align: center; font-size: 9px; }
.sidebar-scrim { display: none; }
[hidden] { display: none !important; }

@media (max-width: 900px) {
  .sidebar { flex-basis: 250px; }
  .suggestion-grid { grid-template-columns: 1fr; max-width: 470px; margin-right: auto; margin-left: auto; }
  .suggestion { min-height: 68px; align-items: center; }
  .welcome { max-width: 620px; }
}
@media (max-width: 680px) {
  .app-shell { min-height: 0; }
  .sidebar { position: fixed; top: 0; bottom: 0; left: 0; width: min(290px, 86vw); transform: translateX(-105%); transition: transform .24s ease; box-shadow: 18px 0 55px rgba(0,0,0,.35); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close { display: grid !important; }
  .sidebar-scrim.visible { position: fixed; z-index: 9; inset: 0; display: block; background: rgba(1,8,15,.62); backdrop-filter: blur(3px); }
  .mobile-menu { display: grid; }
  .topbar { height: 61px; flex-basis: 61px; padding: 0 15px; }
  .topbar-left { gap: 10px; }
  .topbar-right { gap: 8px; }
  .topbar-status { font-size: 7px; letter-spacing: .6px; }
  .topbar-version, .topbar-divider { display: none; }
  .chat-area { padding: 20px 17px 12px; }
  .welcome { padding: 14px 0 22px; }
  .welcome h1 { font-size: clamp(42px, 12vw, 58px); letter-spacing: -2.6px; }
  .welcome-description { max-width: 340px; font-size: 12px; }
  .suggestion-grid { width: 100%; margin-top: 25px; gap: 8px; }
  .suggestion { padding: 12px; }
  .welcome-footnote { margin-top: 23px; font-size: 7px; letter-spacing: .8px; }
  .composer-wrap { padding: 9px 12px 13px; }
  .composer-note { font-size: 8px; }
  .messages { gap: 18px; }
}
@media (max-width: 380px) {
  .brand-name { font-size: 9px; }
  .brand-subtitle { font-size: 7px; }
  .topbar-status { font-size: 0; gap: 0; }
  .topbar-status .status-dot { width: 7px; height: 7px; }
  .composer-hint { font-size: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}


/* ITC AI model selector */
.model-control {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 2px 10px;
  min-width: 0;
}
.model-control label {
  color: #8fa8b8;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .13em;
}
.model-control select {
  max-width: min(280px, 58%);
  min-width: 150px;
  border: 1px solid rgba(0, 217, 155, .24);
  border-radius: 9px;
  background: #0b1926;
  color: #eff8f2;
  padding: 8px 30px 8px 11px;
  font: inherit;
  font-size: 12px;
  outline: none;
}
.model-control select:focus {
  border-color: rgba(0, 217, 155, .75);
  box-shadow: 0 0 0 3px rgba(0, 217, 155, .08);
}
.model-status {
  color: #8299a8;
  font-size: 10px;
  margin-left: auto;
  text-align: right;
}
@media (max-width: 560px) {
  .model-control { flex-wrap: wrap; gap: 7px; }
  .model-control select { flex: 1; max-width: none; }
  .model-status { width: 100%; text-align: left; margin-left: 0; }
}

/* ITC MOBILE COMPOSER REFINEMENT V1 */
@media (max-width: 700px) {
  .composer-wrap {
    padding: 16px 14px calc(18px + env(safe-area-inset-bottom));
    background: rgba(4, 13, 24, 0.98);
    border-top: 1px solid rgba(0, 217, 155, 0.16);
    box-shadow: 0 -12px 32px rgba(0, 0, 0, 0.28);
    position: relative;
    z-index: 5;
  }

  .composer {
    background: linear-gradient(145deg, #102235 0%, #0a1928 100%);
    border: 1px solid rgba(0, 217, 155, 0.38);
    border-radius: 20px;
    padding: 18px 18px 14px;
    box-shadow:
      0 10px 28px rgba(0, 0, 0, 0.24),
      inset 0 1px 0 rgba(255, 255, 255, 0.035);
  }

  .composer:focus-within {
    border-color: rgba(0, 217, 155, 0.72);
    box-shadow:
      0 10px 30px rgba(0, 0, 0, 0.28),
      0 0 0 3px rgba(0, 217, 155, 0.07),
      0 0 22px rgba(0, 217, 155, 0.07);
  }

  .composer textarea,
  #message-input {
    min-height: 76px;
    padding: 12px 2px;
    font-size: 17px;
    line-height: 1.5;
    color: #f3f8fc;
    caret-color: #00d99a;
  }

  .composer textarea::placeholder,
  #message-input::placeholder {
    color: #91a6b7;
    opacity: 1;
  }

  .composer-actions {
    padding-top: 8px;
  }
}


/* WAFFLER BRAND EXPERIENCE */
.brand-mark { overflow:hidden; border-radius:12px; background:#07111f; }
.brand-mark img { width:100%; height:100%; object-fit:cover; display:block; }
.brand-name { font-size:14px; letter-spacing:2px; }
.brand-subtitle { letter-spacing:1.1px; }
.topbar-kicker { color:var(--green-soft); }
.welcome { max-width:760px; padding-top:20px; }
.welcome-logo-wrap { display:flex; justify-content:center; margin:0 auto 18px; }
.welcome-logo { width:clamp(112px, 17vw, 164px); aspect-ratio:1; object-fit:cover; border-radius:50%; border:1px solid rgba(0,217,154,.32); box-shadow:0 0 34px rgba(0,217,154,.12), 0 12px 36px rgba(0,0,0,.25); }
.welcome h1 { font-size:clamp(42px,5vw,62px); }
.welcome h1 span { color:var(--green); }
.welcome-tagline { margin:10px 0 0; color:#e7f3f5; font-family:"Space Grotesk",sans-serif; font-size:clamp(16px,2vw,21px); font-weight:600; }
.welcome-description { max-width:560px; }
.suggestion-grid { grid-template-columns:repeat(2,minmax(0,1fr)); max-width:680px; }
.suggestion { min-height:76px; }
.welcome-powered { margin-top:12px; color:#617b8e; font-size:10px; letter-spacing:.5px; text-align:center; }
.message-avatar { overflow:hidden; }
.message-avatar img { display:block; width:100%; height:100%; object-fit:cover; }
.message-content { white-space:normal; }
.message-content p { margin:0 0 12px; }
.message-content p:last-child { margin-bottom:0; }
.message-content h1,.message-content h2,.message-content h3 { margin:20px 0 9px; color:#f1f7fa; font-family:"Space Grotesk",sans-serif; line-height:1.3; }
.message-content h1 {font-size:1.45em}.message-content h2{font-size:1.25em}.message-content h3{font-size:1.1em}
.message-content ul,.message-content ol { padding-left:23px; margin:8px 0 14px; }
.message-content li { margin:5px 0; }
.message-content blockquote { margin:12px 0; padding:8px 14px; border-left:3px solid var(--green); background:rgba(0,217,154,.055); color:#a9c0cc; }
.message-content a { color:#69dcbc; text-decoration:underline; text-underline-offset:3px; }
.message-content table { width:100%; border-collapse:collapse; margin:14px 0; font-size:.92em; display:block; overflow-x:auto; }
.message-content th,.message-content td { padding:8px 10px; border:1px solid rgba(145,168,184,.2); text-align:left; }
.message-content th { background:#142a3e; color:#eaf5f7; }
.message-content :not(pre)>code { padding:2px 6px; border-radius:5px; background:#172b3d; color:#8be7c5; font-family:ui-monospace,monospace; font-size:.9em; }
.code-block-wrap { margin:14px 0; overflow:hidden; border:1px solid rgba(0,217,154,.18); border-radius:11px; background:#06101b; }
.code-block-bar { display:flex; align-items:center; justify-content:space-between; padding:7px 11px; border-bottom:1px solid rgba(145,168,184,.14); background:#0d1d2b; color:#8fa8b8; font-size:9px; letter-spacing:1px; }
.copy-code { padding:5px 9px; border:1px solid rgba(0,217,154,.25); border-radius:6px; background:#102638; color:#9cebd1; cursor:pointer; font-size:10px; }
.message-content pre { margin:0; padding:14px; overflow-x:auto; color:#d5e7ef; font:12px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace; white-space:pre; }
@media(max-width:680px){.suggestion-grid{grid-template-columns:1fr}.welcome-logo{width:118px}.welcome{padding-top:4px}.welcome-powered{margin-top:9px}.message-content{font-size:13px}}


/* WAFFLER MARKDOWN ENGINE — REFINED PRESENTATION */
.message-content {
  line-height: 1.78;
  overflow-wrap: anywhere;
  word-break: normal;
}
.message-content > :first-child { margin-top: 0; }
.message-content > :last-child { margin-bottom: 0; }
.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4 {
  color: #f3f8fc;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.25px;
}
.message-content h1 { margin: 24px 0 12px; font-size: 1.55em; }
.message-content h2 { margin: 22px 0 10px; font-size: 1.32em; }
.message-content h3 { margin: 19px 0 9px; font-size: 1.14em; }
.message-content h4 { margin: 17px 0 8px; font-size: 1.04em; }
.message-content p { margin: 0 0 13px; }
.message-content strong { color: #f1f8fb; font-weight: 700; }
.message-content em { color: #d6e7ed; }
.message-content ul,
.message-content ol {
  margin: 9px 0 16px;
  padding-left: 25px;
}
.message-content li { margin: 6px 0; padding-left: 3px; }
.message-content li::marker { color: var(--green); }
.message-content blockquote {
  margin: 15px 0;
  padding: 11px 15px;
  border-left: 3px solid var(--green);
  border-radius: 0 9px 9px 0;
  background: rgba(0,217,154,.055);
  color: #b8cbd5;
}
.message-content hr {
  height: 1px;
  margin: 20px 0;
  border: 0;
  background: rgba(145,168,184,.2);
}
.message-content a {
  color: #75e3c1;
  text-decoration: underline;
  text-decoration-color: rgba(117,227,193,.45);
  text-underline-offset: 3px;
}
.message-content a:hover { color: #a3f5d9; }
.message-content :not(pre) > code {
  padding: 2px 6px;
  border: 1px solid rgba(0,217,154,.12);
  border-radius: 5px;
  background: #14283a;
  color: #9cebd1;
  font: .9em ui-monospace, SFMono-Regular, Consolas, monospace;
}
.message-content table {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 15px 0 18px;
  overflow-x: auto;
  border-collapse: collapse;
  border-spacing: 0;
  border: 1px solid rgba(145,168,184,.19);
  border-radius: 9px;
  font-size: .92em;
  scrollbar-width: thin;
}
.message-content thead { background: #142a3e; }
.message-content th,
.message-content td {
  min-width: 105px;
  padding: 9px 11px;
  border-right: 1px solid rgba(145,168,184,.15);
  border-bottom: 1px solid rgba(145,168,184,.15);
  text-align: left;
  vertical-align: top;
}
.message-content th { color: #f0f7fa; font-weight: 700; }
.message-content td { color: #c7d7df; }
.message-content tr:last-child td { border-bottom: 0; }
.message-content th:last-child,
.message-content td:last-child { border-right: 0; }

.code-block-wrap {
  margin: 16px 0 19px;
  overflow: hidden;
  border: 1px solid rgba(0,217,154,.2);
  border-radius: 11px;
  background: #080f19;
  box-shadow: 0 8px 24px rgba(0,0,0,.16);
}
.code-block-bar {
  display: flex;
  min-height: 36px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 10px 6px 13px;
  border-bottom: 1px solid rgba(145,168,184,.14);
  background: #102033;
  color: #91a8b8;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.15px;
}
.copy-code {
  padding: 6px 10px;
  border: 1px solid rgba(0,217,154,.25);
  border-radius: 6px;
  background: rgba(0,217,154,.07);
  color: #a5efd7;
  cursor: pointer;
  font: 600 10px "DM Sans", sans-serif;
  transition: background .18s, border-color .18s, color .18s;
}
.copy-code:hover,
.copy-code.copied {
  border-color: rgba(0,217,154,.55);
  background: rgba(0,217,154,.15);
  color: #d7fff0;
}
.message-content pre {
  max-width: 100%;
  margin: 0;
  padding: 15px;
  overflow-x: auto;
  background: #080f19;
  color: #d7e6ee;
  font: 12px/1.7 ui-monospace, SFMono-Regular, Consolas, monospace;
  tab-size: 2;
  white-space: pre;
  scrollbar-width: thin;
  scrollbar-color: #345366 transparent;
}
.message-content pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-shadow: none;
}
.message-content .hljs { background: transparent; }
@media (max-width: 680px) {
  .message-content { font-size: 13px; line-height: 1.75; }
  .message-content h1 { font-size: 1.42em; }
  .message-content h2 { font-size: 1.24em; }
  .message-content pre { padding: 12px; font-size: 11px; }
  .message-content th,
  .message-content td { min-width: 95px; padding: 8px; }
}