/**
 * Kentico Agent Chat - Base Styles
 * This file contains the base styling for the Kentico Agent Chat component.
 * Consuming applications can override these styles by including their own CSS file
 * that redefines the CSS custom properties or specific selectors.
 */

/* ==========================================================================
   CSS Custom Properties (CSS Variables) - Override these in your app
   ========================================================================== */

:root {
  /* Primary Colors */
  --kentico-chat-primary-color: #8107c1;
  --kentico-chat-primary-color-rgb: 129, 7, 193;
  --kentico-chat-primary-light: #9c3cd1;
  --kentico-chat-primary-dark: #6b0599;
  
  /* Secondary Colors */
  --kentico-chat-secondary-color: #f8f9fa;
  --kentico-chat-text-color: #231f20;
  --kentico-chat-text-light: #6c757d;
  --kentico-chat-border-color: #e9ecef;
  
  /* Background Colors */
  --kentico-chat-bg-primary: #ffffff;
  --kentico-chat-bg-secondary: #f8f9fa;
  --kentico-chat-bg-ai-message: #edeeff;
  --kentico-chat-bg-user-message: var(--kentico-chat-primary-color);
  
  /* Layout Variables */
  --kentico-chat-sidebar-width: 380px;
  --kentico-chat-embedded-max-width: 800px;
  --kentico-chat-embedded-height: 600px;
  --kentico-chat-border-radius: 12px;
  --kentico-chat-border-radius-small: 6px;
  
  /* Typography */
  --kentico-chat-font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --kentico-chat-font-size-base: 0.875rem;
  --kentico-chat-font-size-small: 0.75rem;
  --kentico-chat-font-size-large: 1rem;
  --kentico-chat-line-height: 1.375;
  
  /* Spacing */
  --kentico-chat-spacing-xs: 0.25rem;
  --kentico-chat-spacing-sm: 0.5rem;
  --kentico-chat-spacing-md: 1rem;
  --kentico-chat-spacing-lg: 1.5rem;
  --kentico-chat-spacing-xl: 2rem;
  
  /* Shadows */
  --kentico-chat-shadow-light: 0 2px 4px rgba(0, 0, 0, 0.1);
  --kentico-chat-shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
  --kentico-chat-shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.2);
  
  --kentico-chat-transition: all 0.2s ease;
  --kentico-chat-transition-slow: all 0.3s ease;
  --kentico-chat-user-bubble: #8107c1;
  --kentico-chat-user-bubble-text: #ffffff;
  --kentico-chat-submit-button-bg: #8007c157;
  --kentico-chat-action-button-bg: #fff;
  --kentico-chat-action-button-border: #8107c1;
  --kentico-chat-action-text-color: #8107c1;
  --kentico-chat-ai-bubble-bg: #edeeff;
  --kentico-chat-ai-bubble-text: #231f20;
  --kentico-chat-sidebar-header-background: #8107c1;
  --kentico-chat-header-title-color: #ffffff;
  --kentico-chat-sidebar-button-initiator-bg: #8107c1;
  --kentico-chat-demo-header-bg: #8107c1;
  --kentico-chat-header-avatar-bg: #8107c1;
  --kentico-chat-restart-btn-bg: linear-gradient(135deg, #8107c1, #a855f7);
  --kentico-chat-restart-btn-bg-hover: linear-gradient(135deg, rgba(147, 51, 234, 0.9), rgba(192, 132, 252, 0.9));

  /* DeepChat/Component-Specific Customizations */
  --kentico-chat-avatar-size: 1.75rem;
  --kentico-chat-avatar-bg-color: none;
  --kentico-chat-avatar-user-bg: transparent;
  --kentico-chat-citation-bg: #f8f9fa;
  --kentico-chat-citation-border: #e9ecef;
  --kentico-chat-citation-radius: 8px;
  --kentico-chat-citation-padding: 12px;
  --kentico-chat-citation-title-color: #374151;
  --kentico-chat-citation-title-size: 0.875rem;
  --kentico-chat-citation-title-weight: 600;
  --kentico-chat-citation-title-gap: 6px;
  --kentico-chat-citation-content-size: 0.8rem;
  --kentico-chat-citation-content-color: #6b7280;
  --kentico-chat-citation-content-line-height: 1.25;
  --kentico-chat-citation-number-bg: var(--kentico-chat-primary-color);
  --kentico-chat-citation-number-color: #fff;
  --kentico-chat-citation-number-radius: 50%;
  --kentico-chat-citation-number-size: 20px;
  --kentico-chat-citation-number-font-size: 0.75rem;
  --kentico-chat-citation-number-font-weight: 600;
  --kentico-chat-citation-border-hover: var(--kentico-chat-primary-color);
  --kentico-chat-citation-bg-hover: #e9ecef;
  --kentico-chat-action-btn-bg: #fff;
  --kentico-chat-action-btn-bg-hover: var(--kentico-chat-primary-color);
  --kentico-chat-action-btn-color: var(--kentico-chat-primary-color);
  --kentico-chat-action-btn-color-hover: #fff;
  --kentico-chat-action-btn-border: 2px solid var(--kentico-chat-primary-color);
  --kentico-chat-action-btn-radius: 25px;
  --kentico-chat-action-btn-padding: 8px 16px;
  --kentico-chat-action-btn-font-size: 0.875rem;
  --kentico-chat-action-btn-font-weight: 500;
  --kentico-chat-action-btn-box-shadow: 0 2px 4px rgba(129, 7, 193, 0.1);
  --kentico-chat-action-btn-box-shadow-hover: 0 8px 25px rgba(129, 7, 193, 0.3);
  --kentico-chat-action-btn-gap: 8px;
  --kentico-chat-action-btn-translateY: -2px;
  --kentico-chat-action-btn-translateY-reset: 0;
  --kentico-chat-action-btn-transition: all 0.3s ease;
  --kentico-chat-citation-margin-top: 16px;
  --kentico-chat-citation-padding-top: 16px;
  --kentico-chat-citation-border-top: 1px solid #e5e7eb;
  --kentico-chat-loader-text-color: #8107c1;
  --kentico-chat-loader-spinner-color: #8107c1;
  --kentico-chat-loader-spinner-color-rgb: 129, 7, 193;

}

/* ==========================================================================
   Base Component Styles
   ========================================================================== */

/* Chat Container */
.kentico-agent-chat {
  font-family: var(--kentico-chat-font-family);
  font-size: var(--kentico-chat-font-size-base);
  line-height: var(--kentico-chat-line-height);
  color: var(--kentico-chat-text-color);
  background: var(--kentico-chat-bg-primary);
  border-radius: var(--kentico-chat-border-radius);
  overflow: hidden;
  box-shadow: var(--kentico-chat-shadow-medium);
}

/* Sidebar Mode */
.kentico-agent-chat--sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--kentico-chat-sidebar-width);
  height: 100vh;
  z-index: 1000;
  box-shadow: var(--kentico-chat-shadow-heavy);
  border-radius: 0;
}

/* Embedded Mode */
.kentico-agent-chat--embedded {
  max-width: var(--kentico-chat-embedded-max-width);
  height: var(--kentico-chat-embedded-height);
  margin: 0 auto;
}

/* Chat Header */
.kentico-chat-header {
  background: var(--kentico-chat-primary-color);
  color: white;
  padding: var(--kentico-chat-spacing-md);
  font-weight: 600;
}

/* Message Styles */
.kentico-chat-message {
  margin: var(--kentico-chat-spacing-sm) 0;
  padding: var(--kentico-chat-spacing-sm) var(--kentico-chat-spacing-md);
  border-radius: var(--kentico-chat-border-radius-small);
  max-width: 80%;
}

.kentico-chat-message--ai {
  background: var(--kentico-chat-bg-ai-message);
  margin-right: auto;
  border-bottom-left-radius: var(--kentico-chat-spacing-xs);
}

.kentico-chat-message--user {
  background: var(--kentico-chat-bg-user-message);
  color: white;
  margin-left: auto;
  border-bottom-right-radius: var(--kentico-chat-spacing-xs);
}

/* Input Area */
.kentico-chat-input {
  border-top: 1px solid var(--kentico-chat-border-color);
  padding: var(--kentico-chat-spacing-md);
  background: var(--kentico-chat-bg-primary);
}

.kentico-chat-input textarea {
  width: 100%;
  border: 1px solid var(--kentico-chat-border-color);
  border-radius: var(--kentico-chat-border-radius-small);
  padding: var(--kentico-chat-spacing-sm);
  font-family: inherit;
  font-size: var(--kentico-chat-font-size-base);
  resize: none;
  transition: var(--kentico-chat-transition);
}

.kentico-chat-input textarea:focus {
  outline: none;
  border-color: var(--kentico-chat-primary-color);
  box-shadow: 0 0 0 2px rgba(var(--kentico-chat-primary-color-rgb), 0.2);
}

/* Submit Button */
.kentico-chat-submit {
  background: var(--kentico-chat-primary-color);
  border: none;
  border-radius: var(--kentico-chat-border-radius-small);
  color: white;
  padding: var(--kentico-chat-spacing-sm) var(--kentico-chat-spacing-md);
  cursor: pointer;
  transition: var(--kentico-chat-transition);
  font-size: var(--kentico-chat-font-size-base);
}

.kentico-chat-submit:hover {
  background: var(--kentico-chat-primary-dark);
}

.kentico-chat-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Loading States */
.kentico-chat-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--kentico-chat-spacing-lg);
  color: var(--kentico-chat-text-light);
}

/* Error States */
.kentico-chat-error {
  background: #fee;
  border: 1px solid #fcc;
  color: #c33;
  padding: var(--kentico-chat-spacing-md);
  border-radius: var(--kentico-chat-border-radius-small);
  margin: var(--kentico-chat-spacing-sm) 0;
}

/* Action Buttons */
.kentico-chat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kentico-chat-spacing-xs);
  margin-top: var(--kentico-chat-spacing-sm);
}

.kentico-chat-action-btn {
  background: transparent;
  border: 1px solid var(--kentico-chat-primary-color);
  color: var(--kentico-chat-primary-color);
  padding: var(--kentico-chat-spacing-xs) var(--kentico-chat-spacing-sm);
  border-radius: var(--kentico-chat-border-radius-small);
  cursor: pointer;
  font-size: var(--kentico-chat-font-size-small);
  transition: var(--kentico-chat-transition);
}

.kentico-chat-action-btn:hover {
  background: var(--kentico-chat-primary-color);
  color: white;
}

/* Insights Styles */
.kentico-chat-insights {
  background: var(--kentico-chat-bg-secondary);
  border-radius: var(--kentico-chat-border-radius-small);
  padding: var(--kentico-chat-spacing-md);
  margin: var(--kentico-chat-spacing-md) 0;
  border-left: 4px solid var(--kentico-chat-primary-color);
}

.kentico-chat-insights__title {
  margin: 0 0 var(--kentico-chat-spacing-sm) 0;
  color: var(--kentico-chat-primary-color);
  font-size: var(--kentico-chat-font-size-large);
  font-weight: 600;
}

.kentico-chat-insights__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--kentico-chat-spacing-md);
}

.kentico-chat-insights__item {
  text-align: center;
}

.kentico-chat-insights__value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--kentico-chat-primary-color);
}

.kentico-chat-insights__label {
  display: block;
  font-size: var(--kentico-chat-font-size-small);
  color: var(--kentico-chat-text-light);
  margin-top: var(--kentico-chat-spacing-xs);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
  :root {
    --kentico-chat-sidebar-width: 100vw;
    --kentico-chat-embedded-height: 500px;
  }
  
  .kentico-chat-message {
    max-width: 90%;
  }
  
  .kentico-chat-insights__grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  }
}

/* ==========================================================================
   High Contrast Mode Support
   ========================================================================== */

@media (prefers-contrast: high) {
  :root {
    --kentico-chat-border-color: #000;
    --kentico-chat-text-light: #000;
  }
}

/* ==========================================================================
   Reduced Motion Support
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  :root {
    --kentico-chat-transition: none;
    --kentico-chat-transition-slow: none;
  }
}