/**
 * Liminal AI Chat Widget
 *
 * CSS Custom Properties for easy theming:
 * --liminal-primary-color: Primary brand color
 * --liminal-primary-hover: Primary hover state
 * --liminal-text-color: Main text color
 * --liminal-text-muted: Secondary text color
 * --liminal-bg-color: Widget background
 * --liminal-bg-secondary: Secondary backgrounds
 * --liminal-border-color: Border color
 * --liminal-border-radius: Corner radius
 * --liminal-font-family: Font stack
 * --liminal-shadow: Box shadow
 */

.liminal-chat-container {
  /* Default theme variables */
  --liminal-primary-color: #2563eb;
  --liminal-primary-hover: #1d4ed8;
  --liminal-primary-text: #ffffff;
  --liminal-text-color: #1f2937;
  --liminal-text-muted: #6b7280;
  --liminal-bg-color: #ffffff;
  --liminal-bg-secondary: #f9fafb;
  --liminal-border-color: #e5e7eb;
  --liminal-border-radius: 12px;
  --liminal-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --liminal-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);

  font-family: var(--liminal-font-family);
  color: var(--liminal-text-color);
  line-height: 1.5;
  box-sizing: border-box;
}

.liminal-chat-container *,
.liminal-chat-container *::before,
.liminal-chat-container *::after {
  box-sizing: inherit;
}

/* Main Container */
.liminal-chat {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 800px;
  min-height: 400px;
  max-height: 80vh;
  margin: 0 auto;
  background: var(--liminal-bg-color);
  border: 1px solid var(--liminal-border-color);
  border-radius: var(--liminal-border-radius);
  box-shadow: var(--liminal-shadow);
  overflow: hidden;
}

/* Minimized State */
.liminal-chat--minimized {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
}

.liminal-chat__reopen-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--liminal-primary-color);
  color: white;
  border: none;
  border-radius: 50px;
  font-family: var(--liminal-font-family);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: var(--liminal-shadow);
  transition: background-color 0.2s, transform 0.2s;
}

.liminal-chat__reopen-btn:hover {
  background: var(--liminal-primary-hover);
  transform: scale(1.02);
}

.liminal-chat__reopen-btn svg {
  width: 20px;
  height: 20px;
}

/* Header */
.liminal-chat__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 24px;
  background: var(--liminal-bg-secondary);
  border-bottom: 1px solid var(--liminal-border-color);
}

.liminal-chat__header-content {
  flex: 1;
}

.liminal-chat__title {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  color: var(--liminal-text-color);
}

.liminal-chat__subtitle {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--liminal-text-muted);
}

.liminal-chat__header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.liminal-chat__action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--liminal-border-color);
  border-radius: 8px;
  color: var(--liminal-text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.liminal-chat__action-btn:hover {
  background: var(--liminal-bg-color);
  color: var(--liminal-text-color);
  border-color: var(--liminal-text-muted);
}

.liminal-chat__action-btn svg {
  width: 18px;
  height: 18px;
}

.liminal-chat__skip-btn {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--liminal-border-color);
  border-radius: 8px;
  font-family: var(--liminal-font-family);
  font-size: 14px;
  color: var(--liminal-text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.liminal-chat__skip-btn:hover {
  background: var(--liminal-bg-color);
  color: var(--liminal-text-color);
  border-color: var(--liminal-text-muted);
}

/* Body */
.liminal-chat__body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

/* Prompts */
.liminal-chat__prompts {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
}

.liminal-chat__prompts-label {
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--liminal-text-muted);
}

.liminal-chat__prompts-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 600px;
}

.liminal-chat__prompt-btn {
  padding: 12px 20px;
  background: var(--liminal-bg-color);
  border: 1px solid var(--liminal-border-color);
  border-radius: 50px;
  font-family: var(--liminal-font-family);
  font-size: 14px;
  color: var(--liminal-text-color);
  cursor: pointer;
  transition: all 0.2s;
}

.liminal-chat__prompt-btn:hover {
  background: var(--liminal-primary-color);
  border-color: var(--liminal-primary-color);
  color: white;
  transform: translateY(-1px);
}

/* Messages */
.liminal-chat__messages {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.liminal-chat__message {
  display: flex;
  gap: 12px;
  max-width: 85%;
}

.liminal-chat__message--user {
  flex-direction: row-reverse;
  margin-left: auto;
}

.liminal-chat__message--assistant {
  margin-right: auto;
}

.liminal-chat__message-avatar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--liminal-bg-secondary);
  color: var(--liminal-text-muted);
}

.liminal-chat__message--user .liminal-chat__message-avatar {
  background: var(--liminal-primary-color);
  color: var(--liminal-primary-text);
}

.liminal-chat__message-avatar svg {
  width: 20px;
  height: 20px;
}

.liminal-chat__avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.liminal-chat__message-content {
  flex: 1;
  min-width: 0;
}

.liminal-chat__message-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 15px;
  line-height: 1.5;
}

.liminal-chat__message--user .liminal-chat__message-bubble {
  background: var(--liminal-primary-color);
  color: var(--liminal-primary-text);
  border-bottom-right-radius: 4px;
}

.liminal-chat__message--assistant .liminal-chat__message-bubble {
  background: var(--liminal-bg-secondary);
  color: var(--liminal-text-color);
  border-bottom-left-radius: 4px;
}

.liminal-chat__message--error .liminal-chat__message-bubble {
  background: #fef2f2;
  color: #991b1b;
}

/* Links in messages */
.liminal-chat__link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity 0.2s;
}

.liminal-chat__link:hover {
  opacity: 0.8;
}

.liminal-chat__message--user .liminal-chat__link {
  color: var(--liminal-primary-text);
}

/* Typing Indicator */
.liminal-chat__typing-indicator {
  display: flex;
  gap: 4px;
  padding: 4px 0;
}

.liminal-chat__typing-indicator span {
  width: 8px;
  height: 8px;
  background: var(--liminal-text-muted);
  border-radius: 50%;
  animation: typing-bounce 1.4s infinite ease-in-out;
}

.liminal-chat__typing-indicator span:nth-child(1) {
  animation-delay: 0s;
}

.liminal-chat__typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.liminal-chat__typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing-bounce {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}

/* Input Form */
.liminal-chat__input-form {
  padding: 16px 24px 24px;
  background: var(--liminal-bg-color);
  border-top: 1px solid var(--liminal-border-color);
}

.liminal-chat__input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  padding: 8px 8px 8px 16px;
  background: var(--liminal-bg-secondary);
  border: 1px solid var(--liminal-border-color);
  border-radius: 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.liminal-chat__input-wrapper:focus-within {
  border-color: var(--liminal-primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.liminal-chat__input {
  flex: 1;
  min-height: 24px;
  max-height: 150px;
  padding: 4px 0;
  background: transparent;
  border: none;
  font-family: var(--liminal-font-family);
  font-size: 15px;
  color: var(--liminal-text-color);
  resize: none;
  outline: none;
}

.liminal-chat__input::placeholder {
  color: var(--liminal-text-muted);
}

.liminal-chat__send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: var(--liminal-primary-color);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.2s;
}

.liminal-chat__send-btn:hover:not(:disabled) {
  background: var(--liminal-primary-hover);
  transform: scale(1.05);
}

.liminal-chat__send-btn:disabled {
  background: var(--liminal-border-color);
  cursor: not-allowed;
}

.liminal-chat__send-btn svg {
  width: 18px;
  height: 18px;
}

/* Spinner */
.liminal-chat__spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Error Banner */
.liminal-chat__error {
  padding: 12px 24px;
  background: #fef2f2;
  color: #991b1b;
  font-size: 14px;
  text-align: center;
}

/* Responsive */
@media (max-width: 640px) {
  .liminal-chat {
    max-height: none;
    min-height: auto;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .liminal-chat__header {
    padding: 16px;
  }

  .liminal-chat__title {
    font-size: 20px;
  }

  .liminal-chat__body {
    padding: 16px;
  }

  .liminal-chat__prompts-grid {
    flex-direction: column;
    align-items: stretch;
  }

  .liminal-chat__prompt-btn {
    text-align: center;
  }

  .liminal-chat__message {
    max-width: 90%;
  }

  .liminal-chat__input-form {
    padding: 12px 16px 16px;
  }

  .liminal-chat--minimized {
    bottom: 16px;
    right: 16px;
  }
}

/* Dark mode support (optional - can be enabled via custom properties) */
@media (prefers-color-scheme: dark) {
  .liminal-chat-container.auto-dark {
    --liminal-text-color: #f9fafb;
    --liminal-text-muted: #9ca3af;
    --liminal-bg-color: #1f2937;
    --liminal-bg-secondary: #374151;
    --liminal-border-color: #4b5563;
  }
}


/* ==========================================================================
   LANDING MODE
   Full-page takeover experience
   ========================================================================== */

.liminal-landing-container {
  /* Theme variables - inherit from widget or override */
  --liminal-primary-color: #2563eb;
  --liminal-primary-hover: #1d4ed8;
  --liminal-primary-text: #ffffff;
  --liminal-text-color: #ffffff;
  --liminal-text-muted: rgba(255, 255, 255, 0.7);
  --liminal-bg-color: #1a1a2e;
  --liminal-bg-secondary: rgba(255, 255, 255, 0.1);
  --liminal-border-color: rgba(255, 255, 255, 0.2);
  --liminal-border-radius: 12px;
  --liminal-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;

  font-family: var(--liminal-font-family);
  color: var(--liminal-text-color);
  line-height: 1.5;
  box-sizing: border-box;
}

.liminal-landing-container *,
.liminal-landing-container *::before,
.liminal-landing-container *::after {
  box-sizing: inherit;
}

/* Main landing container */
.liminal-landing {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 40px 24px;
  background: var(--liminal-bg-color);
}

/* When in conversation, allow natural page flow */
.liminal-landing:has(.liminal-landing__chat) {
  min-height: auto;
}

/* Header */
.liminal-landing__header {
  text-align: center;
  padding: 40px 0 60px;
}

.liminal-landing__avatar {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.liminal-landing__avatar img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--liminal-bg-secondary);
}

.liminal-landing__title {
  margin: 0;
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 600;
  color: var(--liminal-text-color);
  letter-spacing: -0.02em;
}

.liminal-landing__subtitle {
  margin: 16px 0 0;
  font-size: 18px;
  color: var(--liminal-text-muted);
}

.liminal-landing__intro {
  margin: 24px auto 0;
  max-width: 600px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--liminal-text-muted);
  opacity: 0.85;
}

/* Main content */
.liminal-landing__main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

/* Prompt grid */
.liminal-landing__prompts {
  width: 100%;
}

.liminal-landing__prompts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  width: 100%;
}

.liminal-landing__prompt-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
  padding: 24px;
  background: var(--liminal-bg-secondary);
  border: 1px solid var(--liminal-border-color);
  border-radius: var(--liminal-border-radius);
  font-family: var(--liminal-font-family);
  font-size: 16px;
  color: var(--liminal-text-color);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.liminal-landing__prompt-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.liminal-landing__prompt-btn:active {
  transform: translateY(0);
}

/* Chat area */
.liminal-landing__chat {
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.liminal-landing__chat-messages {
  padding: 20px 0;
}

/* Override message styles for landing mode */
.liminal-landing .liminal-chat__messages {
  gap: 20px;
}

.liminal-landing .liminal-chat__message {
  max-width: 80%;
}

.liminal-landing .liminal-chat__message-bubble {
  font-size: 16px;
}

.liminal-landing .liminal-chat__message--assistant .liminal-chat__message-bubble {
  background: var(--liminal-bg-secondary);
  color: var(--liminal-text-color);
}

.liminal-landing .liminal-chat__message-avatar {
  background: var(--liminal-bg-secondary);
  color: var(--liminal-text-muted);
}

.liminal-landing .liminal-chat__message--user .liminal-chat__message-avatar {
  background: var(--liminal-primary-color);
  color: var(--liminal-primary-text);
}

.liminal-landing .liminal-chat__typing-indicator span {
  background: var(--liminal-text-muted);
}

/* Links in landing mode */
.liminal-landing .liminal-chat__link {
  color: var(--liminal-primary-color);
}

.liminal-landing .liminal-chat__message--user .liminal-chat__link {
  color: var(--liminal-primary-text);
}

/* Action buttons container */
.liminal-landing__actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

/* Clear/Start over button */
.liminal-landing__clear-btn,
.liminal-landing__end-btn {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--liminal-border-color);
  border-radius: 20px;
  font-family: var(--liminal-font-family);
  font-size: 14px;
  color: var(--liminal-text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.liminal-landing__clear-btn:hover,
.liminal-landing__end-btn:hover {
  background: var(--liminal-bg-secondary);
  color: var(--liminal-text-color);
}

/* Footer / Input area */
.liminal-landing__footer {
  padding: 40px 0 20px;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.liminal-landing__input-container {
  width: 100%;
}

/* Override input styles for landing mode */
.liminal-landing .liminal-chat__input-form {
  padding: 0;
  background: transparent;
  border: none;
}

.liminal-landing .liminal-chat__input-wrapper {
  align-items: center;
  background: var(--liminal-bg-secondary);
  border-color: var(--liminal-border-color);
}

.liminal-landing .liminal-chat__input-wrapper:focus-within {
  border-color: var(--liminal-primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.liminal-landing .liminal-chat__input {
  color: var(--liminal-text-color);
  background: transparent;
}

.liminal-landing .liminal-chat__input::placeholder {
  color: var(--liminal-text-muted);
}

.liminal-landing .liminal-chat__input:focus {
  background: transparent;
}

.liminal-landing .liminal-chat__send-btn {
  border-radius: 16px;
  background: var(--liminal-primary-color);
}

.liminal-landing .liminal-chat__send-btn:hover:not(:disabled) {
  background: var(--liminal-primary-hover);
}

/* Error */
.liminal-landing__error {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  background: #dc2626;
  color: white;
  border-radius: 8px;
  font-size: 14px;
}

/* ==========================================================================
   LEAD CAPTURE FORM
   ========================================================================== */

.liminal-lead-form {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  padding: 20px 0;
}

.liminal-lead-form__intro {
  margin: 0 0 24px;
  font-size: 15px;
  color: var(--liminal-text-muted);
  text-align: center;
}

.liminal-lead-form__field {
  margin-bottom: 16px;
}

.liminal-lead-form__label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--liminal-text-color);
}

.liminal-lead-form__required {
  color: #dc2626;
}

.liminal-lead-form__input {
  width: 100%;
  padding: 12px 16px;
  background: var(--liminal-bg-secondary);
  border: 1px solid var(--liminal-border-color);
  border-radius: 8px;
  font-family: var(--liminal-font-family);
  font-size: 15px;
  color: var(--liminal-text-color);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.liminal-lead-form__input::placeholder {
  color: var(--liminal-text-muted);
}

.liminal-lead-form__input:focus {
  outline: none;
  border-color: var(--liminal-primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.liminal-lead-form__input--error {
  border-color: #dc2626;
}

.liminal-lead-form__input--error:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.liminal-lead-form__error {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: #dc2626;
}

.liminal-lead-form__submit {
  width: 100%;
  margin-top: 24px;
  padding: 14px 24px;
  background: var(--liminal-primary-color);
  border: none;
  border-radius: 8px;
  font-family: var(--liminal-font-family);
  font-size: 16px;
  font-weight: 500;
  color: var(--liminal-primary-text);
  cursor: pointer;
  transition: background-color 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.liminal-lead-form__submit:hover:not(:disabled) {
  background: var(--liminal-primary-hover);
}

.liminal-lead-form__submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Landing mode specific styles */
.liminal-landing .liminal-lead-form__intro {
  color: var(--liminal-text-muted);
}

.liminal-landing .liminal-lead-form__input {
  background: var(--liminal-bg-secondary);
  color: #ffffff;
}

.liminal-landing .liminal-lead-form__input::placeholder {
  color: var(--liminal-text-muted);
}

.liminal-landing .liminal-lead-form__input:focus {
  background: var(--liminal-bg-secondary);
  color: #ffffff;
}

/* Responsive */
@media (max-width: 640px) {
  .liminal-lead-form {
    padding: 16px 0;
  }

  .liminal-lead-form__submit {
    padding: 12px 20px;
    font-size: 15px;
  }
}

/* Responsive - Mobile */
@media (max-width: 640px) {
  /* Prevent horizontal scroll on mobile */
  .liminal-landing-container {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
  }

  .liminal-landing {
    padding: 16px;
    padding-bottom: 90px; /* Space for fixed footer */
    min-height: 100vh;
    overflow-x: hidden;
  }

  .liminal-landing__header {
    padding: 16px 0 24px;
  }

  .liminal-landing__title {
    font-size: 28px;
  }

  .liminal-landing__prompts-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .liminal-landing__prompt-btn {
    min-height: 60px;
    padding: 16px;
    font-size: 15px;
  }

  .liminal-landing__chat {
    padding-bottom: 16px;
    overflow-x: hidden;
  }

  .liminal-landing__chat-messages {
    max-height: none;
    overflow-y: visible;
    overflow-x: hidden;
  }

  .liminal-landing .liminal-chat__message {
    max-width: 85%;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .liminal-landing .liminal-chat__message-bubble {
    font-size: 15px;
    padding: 10px 14px;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .liminal-landing__clear-btn {
    margin-top: 12px;
    margin-bottom: 8px;
  }

  /* Fixed footer for mobile - always visible */
  .liminal-landing__footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    background: var(--liminal-bg-color);
    border-top: 1px solid var(--liminal-border-color);
    z-index: 9999;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
  }

  .liminal-landing__main {
    padding-bottom: 20px;
    overflow-x: hidden;
  }

  /* Prevent body scroll bounce on iOS */
  .liminal-landing__main,
  .liminal-landing__chat-messages {
    -webkit-overflow-scrolling: touch;
  }
}