/* CatHub! live chat — Nord-inspired theme */
#iv-chat-root {
  --nord0: #0d1117;
  --nord0m1: #2e3440;
  --nord0m2: #323946;
  --nord0m3: #373d4c;
  --nord3: #4c566a;
  --nord4: #d8dee9;
  --nord6: #eceff4;
  --nord8: #88c0d0;
  --nord9: #81a1c1;
  --nord10: #5e81ac;
  font-family: 'Figtree', 'Source Code Pro', system-ui, sans-serif;
  color: var(--nord4, #d8dee9);
}
#iv-chat-root:not(.iv-chat-ready) { display: none; }
#iv-chat-root *, #iv-chat-root *::before, #iv-chat-root *::after { box-sizing: border-box; }
#iv-chat-root .iv-chat-toggle {
  position: fixed; left: 14px; bottom: 14px; z-index: 99999;
  width: 56px; height: 56px; border: 1px solid var(--nord3, #4c566a);
  border-radius: 50%; background: var(--nord0m1, #2e3440); color: var(--nord6, #eceff4);
  box-shadow: 0 6px 24px #0007; font-size: 25px; cursor: pointer;
  display: grid; place-items: center; line-height: 1;
}
#iv-chat-root .iv-chat-toggle:hover { background: var(--nord10, #5e81ac); }
#iv-chat-root .iv-chat-panel {
  position: fixed; left: 14px; bottom: 82px; z-index: 99998;
  width: 320px; height: 430px; max-width: calc(100vw - 28px);
  max-height: calc(100vh - 100px); display: flex; flex-direction: column;
  overflow: hidden; border: 1px solid var(--nord3, #4c566a); border-radius: 16px;
  background: var(--nord0, #0d1117); color: var(--nord4, #d8dee9);
  box-shadow: 0 14px 40px #0008; font-size: 13px;
}
#iv-chat-root .iv-chat-panel[hidden], #iv-chat-root .iv-chat-dock[hidden] { display: none !important; }
#iv-chat-root .iv-chat-header {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 13px 14px; background: var(--nord0m1, #2e3440);
  border-bottom: 1px solid var(--nord3, #4c566a);
}
#iv-chat-root .iv-chat-title { color: var(--nord6, #eceff4); font-weight: 750; font-size: 15px; }
#iv-chat-root .iv-chat-subtitle { color: var(--nord9, #81a1c1); font-size: 11px; margin-top: 3px; }
#iv-chat-root .iv-chat-header-actions { display: flex; gap: 5px; }
#iv-chat-root .iv-chat-icon-button {
  border: 0; border-radius: 7px; width: 29px; height: 29px; cursor: pointer;
  background: var(--nord0m3, #373d4c); color: var(--nord6, #eceff4); font-size: 20px;
}
#iv-chat-root .iv-chat-icon-button:hover { background: var(--nord10, #5e81ac); }
#iv-chat-root .iv-chat-name-area { padding: 9px 12px 7px; border-bottom: 1px solid var(--nord0m2, #323946); }
#iv-chat-root .iv-chat-label { display: block; color: var(--nord9, #81a1c1); font-size: 11px; margin-bottom: 4px; }
#iv-chat-root .iv-chat-name-input, #iv-chat-root .iv-chat-message-input {
  width: 100%; border: 1px solid var(--nord3, #4c566a); border-radius: 8px;
  background: var(--nord0m1, #2e3440); color: var(--nord6, #eceff4);
  font: inherit; outline: none;
}
#iv-chat-root .iv-chat-name-input { height: 30px; padding: 5px 8px; }
#iv-chat-root .iv-chat-name-input:focus, #iv-chat-root .iv-chat-message-input:focus { border-color: var(--nord8, #88c0d0); }
#iv-chat-root .iv-chat-messages { flex: 1; min-height: 0; overflow-y: auto; padding: 10px; display: flex; flex-direction: column; gap: 8px; }
#iv-chat-root .iv-chat-message {
  max-width: 92%; align-self: flex-start; padding: 8px 10px;
  border: 1px solid var(--nord0m3, #373d4c); border-radius: 11px 11px 11px 3px;
  background: var(--nord0m1, #2e3440); overflow-wrap: anywhere;
}
#iv-chat-root .iv-chat-message.iv-chat-own {
  align-self: flex-end; background: #263e4b; border-color: var(--nord10, #5e81ac);
  border-radius: 11px 11px 3px 11px;
}
#iv-chat-root .iv-chat-message-meta { display: flex; align-items: baseline; flex-wrap: wrap; gap: 7px; margin-bottom: 4px; }
#iv-chat-root .iv-chat-message-name { color: var(--nord8, #88c0d0); font-weight: 700; }
#iv-chat-root .iv-chat-message-time { color: var(--nord3, #4c566a); font-size: 10px; }
#iv-chat-root .iv-chat-message-body { white-space: pre-wrap; line-height: 1.4; color: var(--nord6, #eceff4); }
#iv-chat-root .iv-chat-hint { min-height: 18px; padding: 2px 12px 4px; color: var(--nord9, #81a1c1); font-size: 11px; }
#iv-chat-root .iv-chat-hint-error { color: #e6a5a5; }
#iv-chat-root .iv-chat-composer { display: flex; gap: 7px; align-items: flex-end; padding: 9px 10px 11px; border-top: 1px solid var(--nord0m2, #323946); }
#iv-chat-root .iv-chat-message-input { resize: none; min-height: 40px; max-height: 100px; padding: 9px; line-height: 1.35; }
#iv-chat-root .iv-chat-send {
  flex: 0 0 auto; height: 38px; padding: 0 12px; border: 0; border-radius: 8px;
  background: var(--nord10, #5e81ac); color: #fff; font-weight: 700; cursor: pointer;
}
#iv-chat-root .iv-chat-send:hover { background: var(--nord9, #81a1c1); }
#iv-chat-root .iv-chat-send:disabled { opacity: .55; cursor: wait; }
#iv-chat-root .iv-chat-dock {
  position: fixed; left: 0; top: 45%; z-index: 99998; writing-mode: vertical-rl;
  transform: rotate(180deg); border: 1px solid var(--nord3, #4c566a); border-left: 0;
  border-radius: 0 9px 9px 0; padding: 12px 9px; background: var(--nord0m1, #2e3440);
  color: var(--nord6, #eceff4); box-shadow: 0 4px 18px #0006; cursor: pointer;
}
@media (max-width: 480px) {
  #iv-chat-root .iv-chat-panel { height: 62vh; max-height: calc(100vh - 100px); }
  #iv-chat-root .iv-chat-toggle { width: 52px; height: 52px; }
}


/* Full-page layout for the standalone GitHub Pages chat */
html, body {
  width: 100%;
  height: 100%;
  min-height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #0d1117;
}
#iv-chat-root {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background: #0d1117;
}
#iv-chat-root .iv-chat-toggle,
#iv-chat-root .iv-chat-dock,
#iv-chat-root .iv-chat-header-actions {
  display: none !important;
}
#iv-chat-root .iv-chat-panel {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  font-size: 15px;
}
#iv-chat-root .iv-chat-header {
  padding: 18px 22px;
}
#iv-chat-root .iv-chat-title { font-size: 19px; }
#iv-chat-root .iv-chat-subtitle { font-size: 13px; }
#iv-chat-root .iv-chat-name-area { padding: 12px 20px; }
#iv-chat-root .iv-chat-name-input { height: 40px; padding: 8px 10px; }
#iv-chat-root .iv-chat-messages { padding: 18px 22px; gap: 12px; }
#iv-chat-root .iv-chat-message { max-width: min(78%, 760px); padding: 11px 14px; }
#iv-chat-root .iv-chat-message-body { font-size: 15px; }
#iv-chat-root .iv-chat-hint { padding: 6px 20px; font-size: 12px; }
#iv-chat-root .iv-chat-composer { padding: 14px 18px 18px; gap: 10px; }
#iv-chat-root .iv-chat-message-input { min-height: 52px; max-height: 140px; padding: 12px; font-size: 15px; }
#iv-chat-root .iv-chat-send { height: 48px; padding: 0 22px; font-size: 14px; }
@media (max-width: 480px) {
  #iv-chat-root .iv-chat-panel { height: 100%; max-height: none; }
  #iv-chat-root .iv-chat-message { max-width: 90%; }
  #iv-chat-root .iv-chat-header { padding: 14px 15px; }
  #iv-chat-root .iv-chat-name-area { padding: 10px 14px; }
  #iv-chat-root .iv-chat-messages { padding: 14px; }
  #iv-chat-root .iv-chat-composer { padding: 10px 12px 14px; }
}

/* CatHub! polish pass: modern full-page chat */
:root { color-scheme: dark; }
html, body {
  background: #0b1020;
  background-image: radial-gradient(ellipse at 15% 0%, rgba(124, 58, 237, .20), transparent 38%), radial-gradient(ellipse at 90% 100%, rgba(14, 165, 233, .12), transparent 35%);
  color: #edf2ff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
#iv-chat-root {
  --nord0: #0b1020;
  --nord0m1: #151c30;
  --nord0m2: #202941;
  --nord0m3: #2b3652;
  --nord3: #53617e;
  --nord4: #cbd5e1;
  --nord6: #f8fafc;
  --nord8: #a5b4fc;
  --nord9: #a5b4fc;
  --nord10: #7c3aed;
  color: #e8edff;
  background: transparent;
}
#iv-chat-root .iv-chat-panel {
  background: rgba(11, 16, 32, .94);
  color: #e8edff;
  border: 1px solid rgba(165, 180, 252, .17);
  box-shadow: none;
}
#iv-chat-root .iv-chat-header {
  position: relative;
  padding: 22px clamp(18px, 4vw, 42px);
  background: linear-gradient(115deg, #312e81 0%, #5b21b6 48%, #7c3aed 100%);
  border-bottom: 1px solid rgba(255,255,255,.14);
}
#iv-chat-root .iv-chat-title { font-size: clamp(20px, 2.4vw, 27px); letter-spacing: -.65px; color: #fff; }
#iv-chat-root .iv-chat-subtitle { color: #e0e7ff; font-size: 13px; margin-top: 5px; }
#iv-chat-root .iv-chat-subtitle::before { content: "●"; color: #86efac; font-size: 10px; margin-right: 7px; }
#iv-chat-root .iv-chat-name-area {
  padding: 14px clamp(18px, 4vw, 42px);
  background: rgba(21, 28, 48, .88);
  border-bottom: 1px solid rgba(148, 163, 184, .12);
}
#iv-chat-root .iv-chat-label { color: #b8c3e6; font-size: 12px; font-weight: 650; margin-bottom: 7px; }
#iv-chat-root .iv-chat-name-input,
#iv-chat-root .iv-chat-message-input {
  border: 1px solid #34405e;
  border-radius: 12px;
  background: #0d1427;
  color: #f8fafc;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
#iv-chat-root .iv-chat-name-input { height: 42px; padding: 9px 12px; }
#iv-chat-root .iv-chat-name-input:focus,
#iv-chat-root .iv-chat-message-input:focus {
  border-color: #a78bfa;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, .18);
  outline: none;
}
#iv-chat-root .iv-chat-messages {
  padding: clamp(16px, 3vw, 30px) clamp(18px, 4vw, 42px);
  gap: 14px;
  background-image: radial-gradient(rgba(165,180,252,.075) .8px, transparent .8px);
  background-size: 20px 20px;
  scrollbar-color: #465274 transparent;
}
#iv-chat-root .iv-chat-message {
  max-width: min(78%, 820px);
  padding: 12px 15px;
  border: 1px solid #293653;
  border-radius: 16px 16px 16px 5px;
  background: rgba(24, 33, 56, .96);
  box-shadow: 0 5px 18px rgba(0,0,0,.10);
}
#iv-chat-root .iv-chat-message.iv-chat-own {
  background: linear-gradient(135deg, #4c1d95, #5b21b6);
  border-color: rgba(196, 181, 253, .48);
  border-radius: 16px 16px 5px 16px;
}
#iv-chat-root .iv-chat-message-name { color: #c4b5fd; font-size: 12px; }
#iv-chat-root .iv-chat-message.iv-chat-own .iv-chat-message-name { color: #ede9fe; }
#iv-chat-root .iv-chat-message-time { color: #94a3b8; font-size: 10px; }
#iv-chat-root .iv-chat-message-body { color: #f1f5f9; line-height: 1.55; font-size: 15px; }
#iv-chat-root .iv-chat-hint { padding: 5px clamp(18px, 4vw, 42px); color: #a5b4fc; background: #0e1528; }
#iv-chat-root .iv-chat-hint-error { color: #fca5a5; }
#iv-chat-root .iv-chat-composer {
  padding: 14px clamp(18px, 4vw, 42px) max(18px, env(safe-area-inset-bottom));
  gap: 12px;
  background: rgba(15, 22, 40, .98);
  border-top: 1px solid rgba(148, 163, 184, .16);
}
#iv-chat-root .iv-chat-message-input { min-height: 52px; max-height: 140px; padding: 14px 15px; font-size: 15px; }
#iv-chat-root .iv-chat-send {
  height: 50px; min-width: 92px; padding: 0 22px; border-radius: 12px;
  background: linear-gradient(135deg, #7c3aed, #6366f1);
  color: #fff; font-size: 14px; font-weight: 750;
  box-shadow: 0 5px 16px rgba(124, 58, 237, .25);
  transition: transform .15s ease, filter .15s ease;
}
#iv-chat-root .iv-chat-send:hover { background: linear-gradient(135deg, #8b5cf6, #818cf8); filter: brightness(1.06); }
#iv-chat-root .iv-chat-send:active { transform: scale(.97); }
#iv-chat-root .iv-chat-send:disabled { opacity: .55; box-shadow: none; }
@media (max-width: 600px) {
  #iv-chat-root .iv-chat-header { padding: 17px 16px; }
  #iv-chat-root .iv-chat-title { font-size: 21px; }
  #iv-chat-root .iv-chat-name-area { padding: 11px 16px; }
  #iv-chat-root .iv-chat-messages { padding: 16px; gap: 11px; }
  #iv-chat-root .iv-chat-message { max-width: 90%; padding: 10px 12px; }
  #iv-chat-root .iv-chat-composer { padding: 10px 12px max(12px, env(safe-area-inset-bottom)); gap: 8px; }
  #iv-chat-root .iv-chat-send { min-width: 72px; padding: 0 14px; }
}


/* CatHub! monochrome header with the user's logo */
#iv-chat-root {
  --nord0: #0b0b0b;
  --nord0m1: #242424;
  --nord0m2: #303030;
  --nord0m3: #393939;
  --nord3: #555555;
  --nord4: #e5e5e5;
  --nord6: #ffffff;
  --nord8: #ffffff;
  --nord9: #bdbdbd;
  --nord10: #ffffff;
  color: #f5f5f5;
  background: #0b0b0b;
}
html, body { background: #0b0b0b !important; background-image: none !important; color: #f5f5f5; }
#iv-chat-root .iv-chat-panel { background: #0b0b0b; color: #f5f5f5; border-color: #292929; }
#iv-chat-root .iv-chat-header { display:flex; align-items:center; gap:14px; background:#080808; border-bottom:1px solid #303030; }
#iv-chat-root .iv-chat-heading-wrap { display:flex; align-items:center; gap:14px; min-width:0; }
#iv-chat-root .iv-chat-logo { display:block; width:58px; height:58px; object-fit:contain; border-radius:50%; background:#fff; flex:0 0 auto; }
#iv-chat-root .iv-chat-heading-text { min-width:0; }
#iv-chat-root .iv-chat-title { color:#fff; font-size:clamp(20px, 2.4vw, 27px); letter-spacing:-.5px; }
#iv-chat-root .iv-chat-subtitle { color:#c8c8c8; font-size:13px; margin-top:4px; }
#iv-chat-root .iv-chat-subtitle::before { content:none !important; }
#iv-chat-root .iv-chat-name-area { background:#111; border-bottom:1px solid #292929; }
#iv-chat-root .iv-chat-label { color:#c7c7c7; }
#iv-chat-root .iv-chat-name-input, #iv-chat-root .iv-chat-message-input { background:#202020; color:#fff; border-color:#484848; }
#iv-chat-root .iv-chat-name-input:focus, #iv-chat-root .iv-chat-message-input:focus { border-color:#fff; box-shadow:0 0 0 2px #ffffff1f; }
#iv-chat-root .iv-chat-messages { background-color:#0b0b0b; background-image:radial-gradient(#ffffff0a .8px, transparent .8px); }
#iv-chat-root .iv-chat-message { background:#292929; border-color:#373737; }
#iv-chat-root .iv-chat-message.iv-chat-own { background:#f0f0f0; border-color:#fff; }
#iv-chat-root .iv-chat-message-name { color:#fff; }
#iv-chat-root .iv-chat-message.iv-chat-own .iv-chat-message-name { color:#111; }
#iv-chat-root .iv-chat-message.iv-chat-own .iv-chat-message-body { color:#111; }
#iv-chat-root .iv-chat-message-time { color:#a5a5a5; }
#iv-chat-root .iv-chat-message.iv-chat-own .iv-chat-message-time { color:#666; }
#iv-chat-root .iv-chat-message-body { color:#f5f5f5; }
#iv-chat-root .iv-chat-hint { color:#d1d1d1; background:#101010; }
#iv-chat-root .iv-chat-composer { background:#101010; border-top-color:#303030; }
#iv-chat-root .iv-chat-send { background:#fff; color:#111; box-shadow:none; }
#iv-chat-root .iv-chat-send:hover { background:#dcdcdc; }
@media (max-width:600px) { #iv-chat-root .iv-chat-logo { width:46px; height:46px; } }


/* CatHub! strictly monochrome black-and-white theme */
:root { color-scheme: dark; }
html, body {
  background: #080808 !important;
  background-image: none !important;
  color: #f5f5f5 !important;
}
#iv-chat-root {
  --nord0: #080808;
  --nord0m1: #202020;
  --nord0m2: #292929;
  --nord0m3: #363636;
  --nord3: #555555;
  --nord4: #d4d4d4;
  --nord6: #ffffff;
  --nord8: #eeeeee;
  --nord9: #bdbdbd;
  --nord10: #f5f5f5;
  color: #f5f5f5 !important;
  background: #080808 !important;
}
#iv-chat-root .iv-chat-panel {
  background: #0b0b0b !important;
  color: #f5f5f5 !important;
  border-color: #383838 !important;
}
#iv-chat-root .iv-chat-header {
  background: #101010 !important;
  border-bottom-color: #333 !important;
}
#iv-chat-root .iv-chat-title { color: #fff !important; }
#iv-chat-root .iv-chat-subtitle { color: #c9c9c9 !important; }
#iv-chat-root .iv-chat-subtitle::before { content: none !important; }
#iv-chat-root .iv-chat-name-area {
  background: #111 !important;
  border-bottom-color: #303030 !important;
}
#iv-chat-root .iv-chat-label { color: #c9c9c9 !important; }
#iv-chat-root .iv-chat-name-input,
#iv-chat-root .iv-chat-message-input {
  background: #171717 !important;
  color: #fff !important;
  border-color: #505050 !important;
}
#iv-chat-root .iv-chat-name-input:focus,
#iv-chat-root .iv-chat-message-input:focus {
  border-color: #eee !important;
  box-shadow: 0 0 0 2px #ffffff20 !important;
}
#iv-chat-root .iv-chat-messages {
  background-color: #080808 !important;
  background-image:
    radial-gradient(ellipse at 15% 20%, #ffffff08, transparent 45%),
    radial-gradient(ellipse at 85% 75%, #ffffff06, transparent 40%) !important;
  scrollbar-color: #555 transparent;
}
#iv-chat-root .iv-chat-message {
  background: #252525 !important;
  border-color: #3b3b3b !important;
  box-shadow: none !important;
}
#iv-chat-root .iv-chat-message.iv-chat-own {
  background: #f0f0f0 !important;
  border-color: #fff !important;
}
#iv-chat-root .iv-chat-message-name { color: #f5f5f5 !important; }
#iv-chat-root .iv-chat-message.iv-chat-own .iv-chat-message-name { color: #111 !important; }
#iv-chat-root .iv-chat-message-time { color: #aaa !important; }
#iv-chat-root .iv-chat-message.iv-chat-own .iv-chat-message-time { color: #555 !important; }
#iv-chat-root .iv-chat-message-body { color: #f5f5f5 !important; }
#iv-chat-root .iv-chat-message.iv-chat-own .iv-chat-message-body { color: #111 !important; }
#iv-chat-root .iv-chat-hint { color: #c5c5c5 !important; background: #101010 !important; }
#iv-chat-root .iv-chat-hint-error { color: #f0f0f0 !important; }
#iv-chat-root .iv-chat-composer {
  background: #101010 !important;
  border-top-color: #333 !important;
}
#iv-chat-root .iv-chat-send {
  background: #f5f5f5 !important;
  color: #111 !important;
}
#iv-chat-root .iv-chat-send:hover { background: #d5d5d5 !important; }
#iv-chat-root .iv-chat-toggle {
  background: #f4f4f4 !important;
  color: #111 !important;
  border-color: #555 !important;
}
#iv-chat-root .iv-chat-toggle:hover { background: #d9d9d9 !important; }
#iv-chat-root .iv-chat-icon-button,
#iv-chat-root .iv-chat-dock {
  background: #292929 !important;
  color: #fff !important;
  border-color: #555 !important;
}
#iv-chat-root .iv-chat-icon-button:hover,
#iv-chat-root .iv-chat-dock:hover { background: #444 !important; }