/* 
  Chat widget (.sabcva-chat-widget) 
*/

.sabcva-chat-widget,
.sabcva-chat-widget * {
  box-sizing: border-box;
}

.sabcva-chat-widget {
  /* design */
  --sabcva-primary: #0a429d;
  --sabcva-primary-dark: #072d6e;
  --sabcva-primary-light: #eaf0fb;
  --sabcva-ink: #1a2333;
  --sabcva-muted: #6b7686;
  --sabcva-border: #e3e8f0;
  --sabcva-bg: #f6f8fc;
  --sabcva-white: #ffffff;
  --sabcva-online: #2fbf71;
  --sabcva-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  position: fixed;
  right: clamp(16px, 4vw, 28px);
  bottom: clamp(16px, 4vw, 28px);
  z-index: 999999;
  font-family: var(--sabcva-font);
  line-height: 1.4;
  color: var(--sabcva-ink);
  text-align: left;
}

/* reset tags */
.sabcva-chat-widget button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  margin: 0;
  padding: 0;
  border: none;
  cursor: pointer;
}
.sabcva-chat-widget p { margin: 0; }
.sabcva-chat-widget textarea { font-family: inherit; }

/* Floating toggle */

.sabcva-chat-toggle {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50% !important;
  background: linear-gradient(135deg, var(--sabcva-primary), var(--sabcva-primary-dark));
  color: #fff !important;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px -6px rgba(10, 66, 157, 0.5), 0 4px 10px rgba(10, 66, 157, 0.25);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.sabcva-chat-toggle:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 14px 30px -6px rgba(10, 66, 157, 0.55), 0 6px 14px rgba(10, 66, 157, 0.3);
}
.sabcva-chat-toggle:active { transform: scale(0.95); }

.sabcva-chat-toggle::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--sabcva-primary);
  opacity: 0;
  animation: sabcva-pulse 2.6s ease-out infinite;
}
.sabcva-chat-widget.sabcva-chat-open .sabcva-chat-toggle::after {
  animation: none;
  opacity: 0;
}

.sabcva-icon {
  width: 25px;
  height: 25px;
  position: absolute;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.sabcva-icon-close { opacity: 0; transform: rotate(-40deg) scale(0.5); }
.sabcva-chat-widget.sabcva-chat-open .sabcva-icon-chat { opacity: 0; transform: rotate(40deg) scale(0.5); }
.sabcva-chat-widget.sabcva-chat-open .sabcva-icon-close { opacity: 1; transform: rotate(0) scale(1); }

/* Chat window */

.sabcva-chat-window {
  position: absolute;
  right: 0;
  bottom: calc(100% + 16px);
  width: min(390px, calc(100vw - 32px));
  height: min(640px, calc(100vh - 120px));
  background: var(--sabcva-white);
  border-radius: 18px;
  box-shadow: 0 24px 48px -12px rgba(9, 20, 45, 0.28), 0 0 0 1px rgba(9, 20, 45, 0.05);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-origin: bottom right;
  transform: scale(0.92) translateY(12px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.2s ease;
}
.sabcva-chat-widget.sabcva-chat-open .sabcva-chat-window {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Header */
.sabcva-chat-header {
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--sabcva-primary) 0%, var(--sabcva-primary-dark) 100%);
  color: #fff;
  padding: 16px 16px 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sabcva-chat-header::before {
  /*  */
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1.5px);
  background-size: 16px 16px;
  opacity: 0.55;
  pointer-events: none;
}
.sabcva-chat-header-info,
.sabcva-chat-close-btn { position: relative; z-index: 1; }

.sabcva-chat-header-info { display: flex; align-items: center; gap: 10px; }
.sabcva-chat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  overflow: hidden;
  background: #0b2f63;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sabcva-chat-avatar img {
  width: 155%;
  height: 155%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  display: block;
}


.sabcva-chat-title { font-size: 14.5px; font-weight: 600; }
.sabcva-chat-subtitle {
  margin-top: 2px;
  font-size: 12px;
  opacity: 0.85;
  display: flex;
  align-items: center;
  gap: 5px;
}
.sabcva-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sabcva-online);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.25);
  flex-shrink: 0;
}
.sabcva-chat-close-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px !important;
  background: transparent !important;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.90;
  transition: background 0.15s ease, opacity 0.15s ease;
}
.sabcva-chat-close-btn:hover { background: rgba(255, 255, 255, 0.16); opacity: 1; }

/* Messages */
.sabcva-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--sabcva-bg);
}
.sabcva-chat-messages::-webkit-scrollbar { width: 6px; }
.sabcva-chat-messages::-webkit-scrollbar-thumb { background: var(--sabcva-border); border-radius: 3px; }

.sabcva-msg {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14.5px;
  word-wrap: break-word;
  white-space: pre-wrap;
  animation: sabcva-msg-in 0.22s ease;
}
.sabcva-msg-bot {
  align-self: flex-start;
  background: var(--sabcva-white);
  border: 1px solid var(--sabcva-border);
  color: var(--sabcva-ink);
  border-bottom-left-radius: 4px;
}
.sabcva-msg-user {
  align-self: flex-end;
  background: var(--sabcva-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

/* typing indicator  */
.sabcva-typing { display: flex; align-items: center; gap: 4px; padding: 2px 1px; }
.sabcva-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sabcva-muted);
  animation: sabcva-bounce 1.2s infinite ease-in-out;
}
.sabcva-typing span:nth-child(2) { animation-delay: 0.15s; }
.sabcva-typing span:nth-child(3) { animation-delay: 0.3s; }

/* input area */
.sabcva-chat-input-area {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--sabcva-border);
  background: var(--sabcva-white);
  flex-shrink: 0;
}
.sabcva-chat-input {
  flex: 1;
  resize: none;
  border: 1px solid var(--sabcva-border);
  border-radius: 20px;
  padding: 10px 16px;
  font-size: 14.5px;
  max-height: 120px;
  min-height: 40px;
  outline: none;
  transition: border-color 0.15s ease;
}
.sabcva-chat-input:focus { border-color: var(--sabcva-primary); }

.sabcva-chat-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: var(--sabcva-primary);
  color: #fff;
  transition: background 0.15s ease, transform 0.1s ease;
}
.sabcva-chat-send-btn:hover:not(:disabled) { background: var(--sabcva-primary-dark); }
.sabcva-chat-send-btn:active:not(:disabled) { transform: scale(0.94); }
.sabcva-chat-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* accessibility: visible focus */
.sabcva-chat-widget button:focus-visible,
.sabcva-chat-input:focus-visible {
  outline: 2px solid var(--sabcva-primary-dark);
  outline-offset: 2px;
}

/* Motion  */

@keyframes sabcva-pulse {
  0% { transform: scale(0.85); opacity: 0.5; }
  80%, 100% { transform: scale(1.35); opacity: 0; }
}
@keyframes sabcva-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-5px); opacity: 1; }
}
@keyframes sabcva-msg-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .sabcva-chat-widget * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* Responsiveness */

/* Tablet/small laptop */
@media (max-width: 640px) {
  .sabcva-chat-window {
    width: min(360px, calc(100vw - 24px));
  }
}

/* phones: full chat window */
@media (max-width: 480px) {
  .sabcva-chat-widget { right: 14px; bottom: 14px; }

  .sabcva-chat-window {
    position: fixed;
    inset: 0;
    right: auto;
    bottom: auto;
    width: 100%;
    height: 100vh;
    height: 100dvh; /* mobile browser toolbar*/
    border-radius: 0;
  }

  .sabcva-msg { max-width: 88%; }
}