#tb-chat { --tb-red:#ce1700; --tb-ink:#20242a; --tb-line:#dedfe2; color:var(--tb-ink); font:16px/1.5 Archivo,Arial,sans-serif; text-align:left; }
#tb-chat *, #tb-chat *::before, #tb-chat *::after { box-sizing:border-box; }
#tb-chat [hidden] { display:none!important; }
#tb-chat button, #tb-chat input, #tb-chat a { font:inherit; letter-spacing:normal; text-transform:none; }
#tb-chat button, #tb-chat a { touch-action:manipulation; }
#tb-chat button { cursor:pointer; }
#tb-chat a { color:var(--tb-red); text-decoration:underline; text-underline-offset:3px; }
#tb-chat :is(button,a,input):focus-visible { outline:3px solid #163d65; outline-offset:3px; box-shadow:0 0 0 5px #fff; }
#tb-chat .tb-launch { position:fixed; right:20px; bottom:var(--tb-launch-bottom,20px); z-index:9990; display:flex; align-items:center; gap:10px; min-height:52px; padding:12px 19px; background:var(--tb-red); border:1px solid var(--tb-red); border-radius:8px; color:#fff; text-decoration:none; font-weight:700; box-shadow:0 3px 16px #0002; }
#tb-chat .tb-launch:hover { background:#ae1400; }
#tb-chat .tb-icon { width:22px; height:22px; flex:none; }
#tb-chat dialog { position:fixed; inset:auto 20px 20px auto; margin:0; padding:0; width:min(430px,calc(100vw - 32px)); height:min(710px,var(--tb-height,calc(100dvh - 40px)));
  max-height:var(--tb-height,calc(100dvh - 40px)); max-width:calc(100vw - 32px); border:1px solid #ccc; border-radius:14px; background:#fff; color:var(--tb-ink); overflow:hidden; box-shadow:0 14px 64px #0003; }
#tb-chat dialog[open] { display:flex; flex-direction:column; }
#tb-chat dialog::backdrop { background:rgb(0 0 0 / 24%); }
#tb-chat .tb-top { display:flex; align-items:flex-start; gap:12px; padding:18px 18px 15px; border-top:5px solid var(--tb-red); border-bottom:1px solid var(--tb-line); flex:none; }
#tb-chat .tb-brand { flex:1; min-width:0; }
#tb-chat h2 { margin:0; font:700 19px/1.3 Archivo,Arial,sans-serif; color:var(--tb-ink); text-transform:none; }
#tb-chat .tb-subtitle { display:block; margin-top:4px; color:#50555c; font-size:13px; }
#tb-chat .tb-close { border:1px solid var(--tb-line); border-radius:5px; width:44px; height:44px; background:#fff; color:#24282d; font-size:28px; line-height:1; flex:none; }
#tb-chat .tb-close:hover { background:#f2f3f4; }
#tb-chat .tb-contact { display:flex; flex-wrap:wrap; gap:8px; padding:12px 18px; border-bottom:1px solid var(--tb-line); flex:none; }
#tb-chat .tb-contact a { display:inline-flex; justify-content:center; align-items:center; min-height:44px; border:1px solid var(--tb-red); border-radius:5px; padding:8px 14px; text-decoration:none; font-weight:700; flex:1; white-space:nowrap; }
#tb-chat .tb-content { flex:1; min-height:0; overflow:auto; overscroll-behavior:contain; padding:18px; scroll-padding:12px; }
#tb-chat .tb-welcome { margin:0 0 16px; }
#tb-chat .tb-prompt { margin:14px 0 8px; font-size:13px; color:#51575f; }
#tb-chat .tb-shortcuts { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:18px; }
#tb-chat .tb-shortcuts button { min-height:44px; padding:9px 11px; border:1px solid #d6d9de; background:#f5f6f7; border-radius:6px; color:#25292e; font-size:14px; }
#tb-chat .tb-shortcuts button:hover { border-color:var(--tb-red); background:#fff5f3; }
#tb-chat .tb-message { margin:12px 0; padding:13px 14px; background:#f1f3f5; border-radius:8px; overflow-wrap:anywhere; }
#tb-chat .tb-message p { margin:0 0 8px; }
#tb-chat .tb-message p:last-child { margin-bottom:0; }
#tb-chat .tb-message.tb-user { margin-left:28px; background:#fff2ef; border:1px solid #f3d4cd; }
#tb-chat .tb-message .tb-speaker { display:block; font-size:12px; font-weight:700; color:#51575f; margin-bottom:5px; }
#tb-chat .tb-message a { display:block; min-height:44px; padding:10px 0 4px; font-weight:600; }
#tb-chat .tb-composer { padding:14px 18px 12px; border-top:1px solid var(--tb-line); background:#fff; flex:none; }
#tb-chat label { display:block; font-size:14px; font-weight:700; margin-bottom:6px; }
#tb-chat .tb-input-row { display:flex; gap:8px; }
#tb-chat input { flex:1; width:0; min-width:0; min-height:46px; border:1px solid #7b8189; background:#fff; color:#20242a; border-radius:5px; padding:10px; font-size:16px; }
#tb-chat .tb-send { min-height:46px; padding:9px 14px; background:var(--tb-red); color:#fff; border:1px solid var(--tb-red); border-radius:5px; font-weight:700; }
#tb-chat .tb-help { margin:7px 0; font-size:12px; color:#51575f; line-height:1.45; }
#tb-chat .tb-bottom { display:flex; align-items:center; justify-content:space-between; gap:8px; }
#tb-chat .tb-bottom a { font-size:12px; min-height:36px; display:inline-flex; align-items:center; }
#tb-chat .tb-clear { min-height:36px; padding:5px 7px; color:#51575f; background:none; border:0; text-decoration:underline; font-size:12px; }
#tb-chat .tb-status { margin:0 0 8px; font-size:13px; color:#454b53; }
#tb-chat .tb-retry { min-height:44px; border:1px solid #666; background:#fff; color:#222; border-radius:5px; padding:8px 12px; margin-bottom:8px; }
#tb-chat button:disabled { opacity:.55; cursor:default; }
#tb-chat .tb-no-js { position:fixed; bottom:78px; right:20px; z-index:9989; max-width:280px; padding:10px; background:#fff; border:1px solid #ccc; }
@media(max-width:520px) {
  #tb-chat .tb-launch { bottom:var(--tb-launch-bottom,16px); right:16px; min-height:48px; padding:10px 15px; }
  #tb-chat dialog { inset:auto 8px 8px; width:auto; max-width:none; height:min(710px,var(--tb-height,calc(100dvh - 16px))); max-height:var(--tb-height,calc(100dvh - 16px)); border-radius:11px; }
  #tb-chat .tb-top { padding:12px; }
  #tb-chat .tb-contact { padding:8px 12px; }
  #tb-chat .tb-content { padding:13px; }
  #tb-chat .tb-composer { padding:10px 12px; }
  #tb-chat h2 { font-size:18px; }
}
@media(max-height:500px) { #tb-chat .tb-subtitle { display:none; } #tb-chat .tb-top { padding:7px 12px; } #tb-chat .tb-contact { padding:5px 12px; } #tb-chat .tb-composer { padding:6px 12px; } }
#tb-chat[data-compact="true"] dialog[open] { display:block; overflow-y:auto; scroll-padding:10px; }
#tb-chat[data-compact="true"] .tb-content { overflow:visible; min-height:100px; }
@media(prefers-reduced-motion:reduce) { #tb-chat * { scroll-behavior:auto!important; } }
@media(forced-colors:active) { #tb-chat button, #tb-chat .tb-contact a, #tb-chat .tb-message { border:1px solid ButtonText; } }
@media print { #tb-chat { display:none!important; } }

/* Compact explicit language choice; existing visual identity preserved. */
#tb-chat .tb-language{display:flex;align-items:center;justify-content:flex-end;gap:8px;font-size:12px;font-weight:400;margin:0 0 12px}
#tb-chat .tb-language select{font:inherit;font-size:14px;min-height:44px;max-width:185px;border:1px solid #7b8189;border-radius:5px;color:#20242a;background:#fff;padding:6px}
#tb-chat select:focus-visible{outline:3px solid #163d65;outline-offset:3px}