/* Variant C: conversational booker. Uses the site's glass tokens from styles.css. */

.bkc-sr {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---- avatar ---- */
.bkc-avatar {
  display: inline-flex; align-items: center; justify-content: center;
  flex: none; width: 44px; height: 44px; border-radius: 50%;
  overflow: hidden; background: var(--color-mint-chip);
  border: 2px solid #fff; box-shadow: 0 2px 8px rgba(18, 24, 38, 0.18);
  font: 700 16px/1 var(--font-sans); color: #000;
}
.bkc-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 12%; display: block; }
.bkc-avatar-sm { width: 30px; height: 30px; border-width: 1.5px; box-shadow: none; }
.bkc-avatar-xs { width: 28px; height: 28px; border-width: 1.5px; box-shadow: none; font-size: 13px; }

/* ---- floating button ---- */
.bkc-fab {
  position: fixed; right: 20px; bottom: 20px; z-index: 900;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 20px 8px 8px; border: 0; border-radius: 999px; cursor: pointer;
  font: 700 15px/1 var(--font-sans); color: #fff;
  background: linear-gradient(180deg, #3a3b40 0%, #141417 48%, #000 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), inset 0 -1px 0 rgba(0, 0, 0, 0.6), 0 14px 30px -10px rgba(0, 0, 0, 0.55);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s;
}
.bkc-fab:hover { background: linear-gradient(180deg, #4a4b51 0%, #1c1c20 48%, #050505 100%); }
.bkc-fab.is-hidden {
  opacity: 0; visibility: hidden; transform: translateY(14px); pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s 0.25s;
}
.bkc-fab:focus-visible, .bkc-close:focus-visible, .bkc-chip:focus-visible, .bkc-send:focus-visible {
  outline: 3px solid #fff; outline-offset: 2px; box-shadow: 0 0 0 5px #000;
}

/* ---- popover ---- */
.bkc-backdrop { display: none; }
.bkc-pop {
  position: fixed; right: 20px; bottom: 20px; z-index: 1000;
  width: 390px; max-width: calc(100vw - 24px);
  height: min(640px, calc(100vh - 40px)); height: min(640px, calc(100dvh - 40px));
  display: flex; flex-direction: column; overflow: hidden;
  border-radius: 24px; color: #000; font-family: var(--font-sans);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.82), rgba(240, 242, 246, 0.7));
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--glass-shadow), 0 30px 80px -20px rgba(18, 24, 38, 0.45);
  opacity: 0; visibility: hidden; transform: translateY(16px) scale(0.98); transform-origin: bottom right;
  transition: opacity 0.22s ease, transform 0.22s ease, width 0.25s ease, visibility 0s 0.22s;
}
.bkc-pop.bkc-wide { width: 460px; }
.bkc-pop.is-open { opacity: 1; visibility: visible; transform: none; transition: opacity 0.22s ease, transform 0.22s ease, width 0.25s ease, visibility 0s; }
.bkc-pop:focus { outline: none; }

.bkc-head {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 16px 14px 18px; border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}
.bkc-head-text { flex: 1; min-width: 0; }
.bkc-title {
  margin: 0; font: 400 24px/1.05 var(--font-display); text-transform: uppercase; letter-spacing: 0.01em;
}
.bkc-sub { margin: 3px 0 0; font: 400 13px/1.2 var(--font-sans); color: var(--color-slate); }
.bkc-close {
  flex: none; width: 36px; height: 36px; border-radius: 50%; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.85); background: rgba(255, 255, 255, 0.55); color: #000;
}
.bkc-close:hover { background: var(--color-mint-chip); }

/* ---- conversation ---- */
.bkc-log {
  flex: 1; overflow-y: auto; overscroll-behavior: contain;
  padding: 18px 16px 8px; display: flex; flex-direction: column; gap: 10px;
}
.bkc-log:focus-visible { outline: 2px solid #000; outline-offset: -4px; }
.bkc-row { display: flex; align-items: flex-end; gap: 8px; max-width: 100%; animation: bkc-in 0.25s ease both; }
.bkc-me { justify-content: flex-end; }
.bkc-embed { display: block; }
.bkc-bubble {
  max-width: 82%; padding: 11px 14px; font: 400 15px/1.45 var(--font-sans);
  overflow-wrap: anywhere;
}
.bkc-bot .bkc-bubble {
  background: rgba(255, 255, 255, 0.82); border: 1px solid var(--glass-edge);
  border-radius: 18px 18px 18px 6px;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 #fff, 0 4px 14px -8px rgba(18, 24, 38, 0.25);
}
.bkc-me .bkc-bubble {
  background: var(--color-mint-chip); border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 18px 18px 6px 18px; font-weight: 500;
}
.bkc-mail-link { display: inline-block; margin-top: 8px; font-weight: 700; text-decoration: underline; }

.bkc-typing { display: inline-flex; gap: 5px; padding: 15px 16px; }
.bkc-typing i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--color-smoke);
  animation: bkc-dot 1s infinite ease-in-out;
}
.bkc-typing i:nth-child(2) { animation-delay: 0.15s; }
.bkc-typing i:nth-child(3) { animation-delay: 0.3s; }

.bkc-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 2px 0 4px 36px; animation: bkc-in 0.25s ease both; }
.bkc-chip {
  padding: 10px 14px; border-radius: 999px; cursor: pointer;
  font: 500 14px/1.2 var(--font-sans); color: #000;
  background: rgba(255, 255, 255, 0.55); border: 1px solid rgba(0, 0, 0, 0.14);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  transition: background 0.15s ease, border-color 0.15s ease;
}
.bkc-chip:hover { background: var(--color-mint-chip); border-color: rgba(0, 0, 0, 0.3); }

/* ---- calendar embed inside the chat ---- */
.bkc-embed {
  width: 100%; min-height: 120px; padding: 6px; border-radius: 18px;
  background: #fff; border: 1px solid var(--glass-edge);
  box-shadow: inset 0 1px 0 #fff, 0 6px 18px -10px rgba(18, 24, 38, 0.3);
}
.bkc-embed-status { margin: 0; padding: 18px 12px; text-align: center; font: 400 14px/1.3 Arial, Helvetica, sans-serif; color: var(--color-slate); }
.bkc-embed-mount { width: 100%; min-height: 0; overflow: auto; border-radius: 14px; }

/* ---- input ---- */
.bkc-input {
  display: flex; align-items: center; gap: 8px; margin: 8px 12px 6px; padding: 6px 6px 6px 16px;
  border-radius: 999px; background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(0, 0, 0, 0.12); box-shadow: inset 0 1px 0 #fff;
}
.bkc-input:focus-within { border-color: #000; }
.bkc-field {
  flex: 1; min-width: 0; border: 0; background: transparent; outline: none;
  font: 400 16px/1.2 var(--font-sans); color: #000; padding: 8px 0;
}
.bkc-field::placeholder { color: var(--color-smoke); }
.bkc-field:disabled { opacity: 0.6; }
.bkc-send {
  flex: none; width: 40px; height: 40px; border-radius: 50%; border: 0; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; color: #fff;
  background: linear-gradient(180deg, #3a3b40 0%, #141417 48%, #000 100%);
}
.bkc-send:disabled { opacity: 0.4; cursor: default; }
.bkc-no-input .bkc-input { display: none; }
.bkc-foot { margin: 0; padding: 4px 16px 14px; text-align: center; font: 400 13px/1.3 Arial, Helvetica, sans-serif; color: var(--color-slate); }
.bkc-foot a { text-decoration: underline; color: #000; }

/* ---- phone: bottom sheet ---- */
@media (max-width: 640px) {
  .bkc-fab { right: 14px; bottom: 14px; }
  .bkc-fab-label { font-size: 14px; }
  .bkc-backdrop {
    display: block; position: fixed; inset: 0; z-index: 999; background: rgba(10, 12, 18, 0.4);
    opacity: 0; visibility: hidden; transition: opacity 0.22s ease, visibility 0s 0.22s;
  }
  .bkc-backdrop.is-open { opacity: 1; visibility: visible; transition: opacity 0.22s ease, visibility 0s; }
  .bkc-pop, .bkc-pop.bkc-wide {
    left: 0; right: 0; bottom: 0; width: 100%; max-width: none;
    height: min(86vh, 700px); height: min(86dvh, 700px);
    border-radius: 24px 24px 0 0; border-bottom: 0; transform: translateY(100%); transform-origin: bottom center;
  }
  .bkc-pop.is-open { transform: none; }
  .bkc-foot { padding-bottom: max(14px, env(safe-area-inset-bottom)); }
  .bkc-bubble { max-width: 86%; }
}

html.bkc-lock, html.bkc-lock body { overflow: hidden; }
@media (min-width: 641px) { html.bkc-lock, html.bkc-lock body { overflow: visible; } }

@keyframes bkc-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes bkc-dot { 0%, 60%, 100% { transform: translateY(0); opacity: 0.45; } 30% { transform: translateY(-4px); opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .bkc-row, .bkc-chips { animation: none; }
  .bkc-typing { display: none; }
  .bkc-pop, .bkc-fab, .bkc-backdrop { transition: none !important; }
}