bettercx-widget/dist/collection/components/bcx-message-composer/bcx-message-composer.css

Professional AI-powered chat widget for BetterCX platform. Seamlessly integrate intelligent customer support into any website.

/**
 * Message Composer Styles
 */
:host {
  display: block;
  width: 100%;
  box-sizing: border-box;
}

.bcx-composer {
  display: flex;
  align-items: flex-end;
  gap: var(--bcx-space-3, 12px);
  width: 100%;
  min-height: 48px;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  position: relative;
}

.bcx-composer__input-container {
  flex: 1 1 auto;
  position: relative;
  min-width: 0; /* Allow flex item to shrink below content size */
  width: 0; /* Force flex item to respect flex-basis */
}

.bcx-composer__input {
  width: 100%;
  min-height: 48px;
  max-height: 120px;
  padding: var(--bcx-space-3, 12px) var(--bcx-space-4, 16px);
  border: 1px solid var(--bcx-border-subtle, rgba(0, 0, 0, 0.1));
  border-radius: var(--bcx-radius-2xl, 24px);
  background: var(--bcx-bg-secondary, #f8f9fa);
  color: var(--bcx-text-primary, #1a1a1a);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: var(--bcx-text-base, 14px);
  line-height: 1.5;
  resize: none;
  outline: none;
  transition: all var(--bcx-transition-normal, 0.25s ease);
  box-sizing: border-box;
  vertical-align: top;
  font-weight: 400;
  position: relative;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.bcx-composer__input::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, color-mix(in srgb, var(--bcx-primary-500, #007bff) 3%, transparent) 0%, transparent 50%, color-mix(in srgb, var(--bcx-primary-500, #007bff) 2%, transparent) 100%);
  opacity: 0;
  transition: opacity var(--bcx-transition-fast, 0.15s ease);
  pointer-events: none;
}
.bcx-composer__input:focus {
  border-color: var(--bcx-primary-400, #667eea);
  box-shadow: 0 0 0 3px var(--bcx-primary-100, rgba(102, 126, 234, 0.1)), 0 2px 8px color-mix(in srgb, var(--bcx-primary-500, #007bff) 8%, transparent);
  background: var(--bcx-bg-primary, #ffffff);
}
.bcx-composer__input:focus::before {
  opacity: 1;
}
.bcx-composer__input:hover:not(:focus) {
  border-color: var(--bcx-border-soft, rgba(0, 0, 0, 0.15));
  background: var(--bcx-bg-tertiary, #f5f5f5);
}
.bcx-composer__input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--bcx-bg-secondary, #f8f9fa);
}
.bcx-composer__input::placeholder {
  color: var(--bcx-text-tertiary, color-mix(in srgb, var(--bcx-text-primary, #1a1a1a) 50%, transparent));
  font-weight: 400;
}

.bcx-composer__char-count {
  position: absolute;
  bottom: var(--bcx-space-1, 4px);
  right: var(--bcx-space-2, 8px);
  font-size: var(--bcx-text-xs, 11px);
  color: var(--bcx-primary-600, #f59e0b);
  background: var(--bcx-bg-elevated, #ffffff);
  padding: var(--bcx-space-1, 2px) var(--bcx-space-1, 6px);
  border-radius: var(--bcx-radius-sm, 4px);
  pointer-events: none;
  font-weight: 600;
  box-shadow: 0 1px 3px color-mix(in srgb, var(--bcx-text-primary, #1a1a1a) 8%, transparent);
  border: 1px solid var(--bcx-border-subtle, rgba(0, 0, 0, 0.1));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.bcx-composer__submit {
  width: 48px;
  height: 48px;
  border: none;
  border-radius: var(--bcx-radius-full, 50%);
  background: var(--bcx-primary-500, #007bff);
  color: var(--bcx-bg-primary, white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 500;
  transition: all var(--bcx-transition-normal, 0.25s ease);
  flex-shrink: 0;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--bcx-primary-500, #007bff) 25%, transparent), 0 1px 3px color-mix(in srgb, var(--bcx-primary-500, #007bff) 15%, transparent);
  margin-bottom: 0;
  position: relative;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.bcx-composer__submit::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, color-mix(in srgb, var(--bcx-primary-500, #007bff) 20%, transparent) 0%, transparent 50%, color-mix(in srgb, var(--bcx-primary-500, #007bff) 10%, transparent) 100%);
  opacity: 0;
  transition: opacity var(--bcx-transition-fast, 0.15s ease);
  pointer-events: none;
}
.bcx-composer__submit:hover:not(:disabled) {
  background: var(--bcx-primary-600, #0056b3);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--bcx-primary-500, #007bff) 35%, transparent), 0 2px 6px color-mix(in srgb, var(--bcx-primary-500, #007bff) 20%, transparent);
}
.bcx-composer__submit:hover:not(:disabled)::before {
  opacity: 1;
}
.bcx-composer__submit:active:not(:disabled) {
  transform: translateY(-1px) scale(1.02);
  background: var(--bcx-primary-700, #004085);
  box-shadow: 0 3px 10px color-mix(in srgb, var(--bcx-primary-500, #007bff) 30%, transparent);
}
.bcx-composer__submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  background: var(--bcx-border-soft, #e2e8f0);
  box-shadow: 0 1px 3px color-mix(in srgb, var(--bcx-text-primary, #1a1a1a) 8%, transparent);
  color: var(--bcx-text-tertiary, #8b8b8b);
}
.bcx-composer__submit:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--bcx-primary-100, rgba(0, 123, 255, 0.3)), 0 4px 12px color-mix(in srgb, var(--bcx-primary-500, #007bff) 25%, transparent);
}

.bcx-composer__submit-icon {
  transition: transform var(--bcx-transition-normal, 0.25s ease);
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
}
.bcx-composer__submit-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
  transition: all var(--bcx-transition-fast, 0.15s ease);
  display: block;
  flex-shrink: 0;
}
.bcx-composer__submit:hover:not(:disabled) .bcx-composer__submit-icon {
  transform: scale(1.1);
}
.bcx-composer__submit:hover:not(:disabled) .bcx-composer__submit-icon svg {
  stroke-width: 2.2;
}
.bcx-composer__submit:active:not(:disabled) .bcx-composer__submit-icon {
  transform: scale(0.95);
}
.bcx-composer__submit:active:not(:disabled) .bcx-composer__submit-icon svg {
  stroke-width: 1.8;
}
.bcx-composer__submit[data-loading=true] .bcx-composer__submit-icon svg {
  animation: bcx-spin 1s linear infinite;
}

.bcx-composer__input:focus + .bcx-composer__char-count {
  opacity: 1;
}

@keyframes bcx-input-focus {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes bcx-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
.bcx-composer__input:focus {
  animation: bcx-input-focus 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-contrast: high) {
  .bcx-composer__input {
    border-width: 2px;
    border-color: var(--bcx-text-primary, #000000);
  }
  .bcx-composer__submit {
    border: 2px solid var(--bcx-text-primary, #000000);
  }
}
@media (prefers-reduced-motion: reduce) {
  .bcx-composer__input,
  .bcx-composer__submit,
  .bcx-composer__submit-icon {
    transition: none;
  }
  .bcx-composer__submit:hover:not(:disabled) {
    transform: none;
  }
  .bcx-composer__input:focus {
    animation: none;
  }
}