/* Scoped chatbot widget styles — all selectors prefixed .dvbot- so this
   never collides with the host site's CSS. Falls back to hardcoded values
   if the site's design-token variables aren't present on the page. */

.dvbot-launcher,
.dvbot-panel {
  --dvbot-orange: var(--orange, #FF6B2B);
  --dvbot-orange-dim: var(--orange-dim, rgba(255, 107, 43, 0.12));
  --dvbot-orange-glow: var(--orange-glow, rgba(255, 107, 43, 0.45));
  --dvbot-surface: #141414;
  --dvbot-surface-2: #1c1c1c;
  --dvbot-border: rgba(255, 255, 255, 0.1);
  --dvbot-text: #f5f5f5;
  --dvbot-muted: rgba(255, 255, 255, 0.5);
  --dvbot-font: var(--font, 'Syne', system-ui, sans-serif);
  box-sizing: border-box;
  /* Scoped to the widget itself (not :root/site-wide) so it doesn't affect
     the blog pages' light-mode theme — only tells the OS this specific
     control is dark, so iOS renders its keyboard/accessory bar to match
     our always-dark widget regardless of the host page's own theme. */
  color-scheme: dark;
}
.dvbot-launcher *,
.dvbot-panel * {
  box-sizing: border-box;
}

/* Native OS/browser button chrome can apply its own internal rendering
   scale independent of the CSS layout box (this is what caused the close
   button to measure a different painted size than its declared width/
   height — and almost certainly the real reason it looked a different
   size on iOS vs Android before, since native button styling differs by
   platform). appearance:none removes that native styling from every
   custom button so our explicit CSS sizing is what actually renders,
   identically across browsers/platforms. */
.dvbot-launcher,
.dvbot-close,
.dvbot-send,
.dvbot-quick-reply {
  appearance: none;
  -webkit-appearance: none;
}

/* Author-stylesheet `display` declarations beat the browser's built-in
   `[hidden] { display: none }` rule regardless of selector specificity
   (UA origin always loses to author origin for normal declarations), so
   .dvbot-panel/.dvbot-typing/.dvbot-status setting `display` unconditionally
   below would otherwise render even while JS sets their `hidden` attribute.
   This rule restores real hide/show behavior; !important guarantees it wins
   even though it's declared before the more specific display rules. */
.dvbot-panel[hidden],
.dvbot-typing[hidden],
.dvbot-status[hidden] {
  display: none !important;
}

/* ── Launcher ─────────────────────────────────────────── */
.dvbot-launcher {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--dvbot-orange);
  color: #0e0e0e;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto;
  isolation: isolate;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4), 0 0 0 0 var(--dvbot-orange-glow);
  z-index: 999998;
  font-family: var(--dvbot-font);
}

.dvbot-launcher-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0 var(--dvbot-orange-glow);
  animation: dvbot-pulse 2.6s ease-out infinite;
  pointer-events: none;
}

@keyframes dvbot-pulse {
  0% {
    box-shadow: 0 0 0 0 var(--dvbot-orange-glow);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(255, 107, 43, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 107, 43, 0);
  }
}

.dvbot-launcher-intro {
  animation: dvbot-bounce-in 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes dvbot-bounce-in {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  60% {
    transform: scale(1.12);
    opacity: 1;
  }
  100% {
    transform: scale(1);
  }
}

/* ── Panel (desktop/tablet) ───────────────────────────── */
.dvbot-panel {
  position: fixed;
  right: 24px;
  bottom: 100px;
  width: 380px;
  height: min(600px, 80vh);
  border-radius: 16px;
  background: var(--dvbot-surface);
  border: 1px solid var(--dvbot-border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  pointer-events: auto;
  isolation: isolate;
  z-index: 999999;
  font-family: var(--dvbot-font);
  color: var(--dvbot-text);
  animation: dvbot-scale-in 0.18s ease-out;
}

@keyframes dvbot-scale-in {
  from {
    transform: scale(0.94) translateY(8px);
    opacity: 0;
  }
  to {
    transform: none;
    opacity: 1;
  }
}

.dvbot-header {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  padding: 8px 8px 8px 16px;
  border-bottom: 1px solid var(--dvbot-border);
  background: var(--dvbot-surface-2);
}

.dvbot-header-title {
  font-weight: 700;
  font-size: 0.95rem;
}

.dvbot-close {
  /* Fixed px size (not a text glyph) so it renders identically on iOS and
     Android — "✕" as text picks different fallback-font glyph metrics per
     platform, which is why it looked smaller on iPhone. A 44x44 box also
     meets the minimum recommended touch target size regardless of the
     20px icon drawn inside it. */
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--dvbot-muted);
  cursor: pointer;
  padding: 0;
  margin: 0;
  border-radius: 8px;
}
.dvbot-close svg {
  display: block;
}
.dvbot-close:hover,
.dvbot-close:focus-visible {
  color: var(--dvbot-text);
  background: rgba(255, 255, 255, 0.06);
}

.dvbot-status {
  flex-shrink: 0;
  padding: 6px 16px;
  font-size: 0.78rem;
  color: var(--dvbot-orange);
  border-bottom: 1px solid var(--dvbot-border);
}

/* Layout contract for .dvbot-panel's flex column: header/status/typing/
   input-row/footer are all flex-shrink:0 (fixed height, never compressed);
   .dvbot-messages is the only flexible item (flex:1 1 auto) and MUST have
   min-height:0 — a flex item's default min-height is `auto`, which means
   "never shrink below your content's intrinsic height". Without this, a
   long message thread refuses to shrink when the panel itself shrinks
   (e.g. JS resizing it to visualViewport.height for the on-screen
   keyboard), consuming all the space and pushing the input bar below the
   panel's clipped (overflow:hidden) bounds — which is exactly what made
   the input bar disappear when the keyboard opened. */
.dvbot-messages {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dvbot-msg {
  display: flex;
  flex-direction: column;
  max-width: 85%;
}

.dvbot-msg-bot {
  align-self: flex-start;
}

.dvbot-msg-user {
  align-self: flex-end;
}

.dvbot-msg-label {
  font-size: 0.7rem;
  color: var(--dvbot-orange);
  margin-bottom: 2px;
  font-weight: 700;
}

.dvbot-bubble {
  padding: 10px 13px;
  border-radius: 14px;
  font-size: 0.88rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.dvbot-msg-bot .dvbot-bubble {
  background: var(--dvbot-surface-2);
  border: 1px solid var(--dvbot-border);
  border-top-left-radius: 4px;
}

.dvbot-msg-human .dvbot-bubble {
  background: var(--dvbot-orange-dim);
  border: 1px solid var(--dvbot-orange);
  border-top-left-radius: 4px;
}

.dvbot-msg-user .dvbot-bubble {
  background: var(--dvbot-orange);
  color: #0e0e0e;
  border-top-right-radius: 4px;
}

.dvbot-quick-replies {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-self: flex-start;
}

.dvbot-quick-reply {
  background: var(--dvbot-orange-dim);
  border: 1px solid var(--dvbot-orange);
  color: var(--dvbot-orange);
  border-radius: 9999px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--dvbot-font);
}
.dvbot-quick-reply:hover,
.dvbot-quick-reply:focus-visible {
  background: var(--dvbot-orange);
  color: #0e0e0e;
}

.dvbot-typing {
  display: flex;
  flex-shrink: 0;
  gap: 4px;
  padding: 0 16px 8px;
}

.dvbot-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dvbot-muted);
  animation: dvbot-typing-bounce 1.2s infinite ease-in-out;
}
.dvbot-typing span:nth-child(2) {
  animation-delay: 0.15s;
}
.dvbot-typing span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes dvbot-typing-bounce {
  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.5;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

.dvbot-input-row {
  display: flex;
  flex-shrink: 0;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--dvbot-border);
}

.dvbot-input {
  flex: 1;
  background: var(--dvbot-surface-2);
  border: 1px solid var(--dvbot-border);
  border-radius: 9999px;
  padding: 9px 14px;
  color: var(--dvbot-text);
  font-family: var(--dvbot-font);
  /* Must be a computed >=16px or WebKit auto-zooms the page on focus
     (and Chrome-on-iOS inherits this since it runs on WebKit too). Use an
     absolute px value, not rem, so it can never be pulled under 16px by a
     host-page root font-size change. */
  font-size: 16px;
  outline: none;
}
.dvbot-input:focus-visible {
  border-color: var(--dvbot-orange);
}
.dvbot-input:disabled {
  opacity: 0.6;
}

.dvbot-send {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  line-height: 0;
  border-radius: 50%;
  border: none;
  background: var(--dvbot-orange);
  color: #0e0e0e;
  cursor: pointer;
}
.dvbot-send svg {
  display: block;
}
.dvbot-send:disabled {
  opacity: 0.5;
  cursor: default;
}

.dvbot-footer {
  flex-shrink: 0;
  padding: 4px 18px 12px;
  font-size: 11px;
  line-height: 1.35;
  color: var(--dvbot-muted);
  text-align: center;
  white-space: normal;
  overflow-wrap: break-word;
}

/* Belt-and-braces alongside the JS position:fixed lock in chatbot.js —
   harmless on its own, and a fallback if that JS ever fails to run. */
body.dvbot-scroll-lock {
  overflow: hidden;
}

/* ── Mobile bottom sheet (<768px) ─────────────────────── */
@media (max-width: 767px) {
  .dvbot-panel {
    position: fixed;
    inset: 8vh 0 0 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: auto;
    border-radius: 20px 20px 0 0;
  }

  /* Better first-paint guess than vh before JS's visualViewport handler
     takes over precisely (see updateMobileViewportSize in chatbot.js). */
  @supports (height: 100dvh) {
    .dvbot-panel {
      inset: 8dvh 0 0 0;
    }
  }

  .dvbot-launcher {
    right: 16px;
    bottom: 16px;
  }
}