/* ==========================================================================
   Toomics CS AI Chatbot Widget — widget.css
   Complete stylesheet for the customer-facing chat widget.
   All selectors scoped under .toomics-widget to prevent host-page conflicts.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES
   -------------------------------------------------------------------------- */
.toomics-widget {
  /* Brand */
  --tw-primary: #6B4EFF;
  --tw-primary-dark: #5438E0;
  --tw-primary-light: #8B7AFF;

  /* Backgrounds */
  --tw-bg: #FFFFFF;
  --tw-bg-secondary: #F5F3FF;

  /* Text */
  --tw-text: #1A1A2E;
  --tw-text-secondary: #6B7280;
  --tw-text-inverse: #FFFFFF;

  /* Borders */
  --tw-border: #E5E7EB;

  /* Status */
  --tw-success: #10B981;
  --tw-warning: #F59E0B;
  --tw-error: #EF4444;

  /* Elevation */
  --tw-shadow: 0 10px 40px rgba(107, 78, 255, 0.15);

  /* Radii */
  --tw-radius: 16px;
  --tw-radius-bubble: 12px;

  /* Typography */
  --tw-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --tw-font-size: 14px;

  /* Layout */
  --tw-max-width: 400px;
  --tw-max-height: 600px;
  --tw-z-index: 99999;

  /* Motion */
  --tw-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Reset inherited styles */
  font-family: var(--tw-font);
  font-size: var(--tw-font-size);
  line-height: 1.5;
  color: var(--tw-text);
  box-sizing: border-box;
}

/* Box-sizing reset for all widget descendants */
.toomics-widget *,
.toomics-widget *::before,
.toomics-widget *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* --------------------------------------------------------------------------
   2. LAUNCHER — Floating action button
   -------------------------------------------------------------------------- */
.toomics-widget .tw-launcher {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: var(--tw-z-index);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--tw-primary), var(--tw-primary-dark));
  color: var(--tw-text-inverse);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(107, 78, 255, 0.35);
  transition: transform var(--tw-transition), box-shadow var(--tw-transition);
  animation: tw-pulse 2s ease-in-out 3;
}

.toomics-widget .tw-launcher:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(107, 78, 255, 0.45);
}

.toomics-widget .tw-launcher:active {
  transform: scale(0.97);
}

.toomics-widget .tw-launcher .tw-icon {
  width: 28px;
  height: 28px;
}

/* --------------------------------------------------------------------------
   3. WINDOW — Chat window container
   -------------------------------------------------------------------------- */
.toomics-widget .tw-window {
  position: fixed;
  bottom: 90px;
  right: 20px;
  z-index: var(--tw-z-index);
  width: var(--tw-max-width);
  max-height: var(--tw-max-height);
  border-radius: var(--tw-radius);
  background: var(--tw-bg);
  box-shadow: var(--tw-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: tw-slide-up 0.35s ease-out;
}

.toomics-widget .tw-window--hidden {
  display: none;
}

/* --------------------------------------------------------------------------
   4. HEADER — Window header bar
   -------------------------------------------------------------------------- */
.toomics-widget .tw-header {
  background: linear-gradient(135deg, var(--tw-primary), var(--tw-primary-dark));
  color: var(--tw-text-inverse);
  display: flex;
  align-items: center;
  padding: 12px 16px;
  flex-shrink: 0;
}

.toomics-widget .tw-header__logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
  margin-right: 10px;
  object-fit: contain;
}

.toomics-widget .tw-header__info {
  flex: 1;
  min-width: 0;
}

.toomics-widget .tw-header__title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toomics-widget .tw-header__subtitle {
  font-size: 12px;
  opacity: 0.85;
  line-height: 1.3;
  margin-top: 2px;
}

.toomics-widget .tw-header__lang-wrap {
  position: relative;
}

.toomics-widget .tw-header__lang-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  color: var(--tw-text-inverse);
  font-size: 11px;
  font-weight: 500;
  padding: 0 10px;
  border-radius: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  transition: background var(--tw-transition);
  white-space: nowrap;
}

.toomics-widget .tw-header__lang-btn:hover {
  background: rgba(255, 255, 255, 0.35);
}

.toomics-widget .tw-lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--tw-bg);
  border: 1px solid var(--tw-border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  z-index: 10;
  min-width: 150px;
  max-height: 280px;
  overflow-y: auto;
  padding: 4px 0;
  animation: tw-dropdown-in 0.15s ease-out;
}

@keyframes tw-dropdown-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.toomics-widget .tw-lang-option {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: var(--tw-text);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.1s;
  text-align: left;
}

.toomics-widget .tw-lang-option:hover {
  background: var(--tw-bg-secondary);
}

.toomics-widget .tw-lang-option--active {
  background: var(--tw-primary-light);
  color: var(--tw-primary);
  font-weight: 600;
}

.toomics-widget .tw-lang-option__code {
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-width: 22px;
}

.toomics-widget .tw-lang-option__name {
  flex: 1;
}

.toomics-widget .tw-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

.toomics-widget .tw-header__btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--tw-text-inverse);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--tw-transition);
}

.toomics-widget .tw-header__btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.toomics-widget .tw-header__btn .tw-icon {
  width: 18px;
  height: 18px;
}

.toomics-widget .tw-header__btn--new-session:hover {
  background: rgba(255, 255, 255, 0.2);
}

.toomics-widget .tw-header__btn--new-session .tw-icon {
  width: 16px;
  height: 16px;
}

/* --------------------------------------------------------------------------
   4b. EMAIL SCREEN — Email input before chat starts
   -------------------------------------------------------------------------- */
.toomics-widget .tw-email-screen {
  text-align: center;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.toomics-widget .tw-email-screen__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--tw-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.toomics-widget .tw-email-screen__icon .tw-icon {
  width: 24px;
  height: 24px;
  color: var(--tw-primary);
}

.toomics-widget .tw-email-screen__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--tw-text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.toomics-widget .tw-email-screen__desc {
  font-size: 14px;
  color: var(--tw-text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.toomics-widget .tw-email-screen__form {
  width: 100%;
  max-width: 300px;
}

.toomics-widget .tw-email-screen__input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--tw-border);
  border-radius: 12px;
  font-size: 14px;
  font-family: var(--tw-font);
  color: var(--tw-text);
  background: var(--tw-bg);
  outline: none;
  transition: border-color var(--tw-transition), box-shadow var(--tw-transition);
  text-align: center;
}

.toomics-widget .tw-email-screen__input::placeholder {
  color: var(--tw-text-secondary);
}

.toomics-widget .tw-email-screen__input:focus {
  border-color: var(--tw-primary);
  box-shadow: 0 0 0 3px rgba(107, 78, 255, 0.1);
}

.toomics-widget .tw-email-screen__input--error {
  border-color: var(--tw-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.toomics-widget .tw-email-screen__error {
  color: var(--tw-error);
  font-size: 12px;
  margin-top: 6px;
  line-height: 1.4;
}

.toomics-widget .tw-email-screen__submit {
  width: 100%;
  margin-top: 12px;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--tw-primary), var(--tw-primary-dark));
  color: var(--tw-text-inverse);
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-family: var(--tw-font);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--tw-transition), box-shadow var(--tw-transition);
}

.toomics-widget .tw-email-screen__submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(107, 78, 255, 0.3);
}

.toomics-widget .tw-email-screen__submit:active {
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   5. WELCOME — Conversational category selection
   -------------------------------------------------------------------------- */
.toomics-widget .tw-welcome {
  padding: 16px 0 6px;
  flex: 1;
  overflow-y: auto;
}

.toomics-widget .tw-welcome__bot-msg {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 0 16px;
  margin-bottom: 10px;
}

.toomics-widget .tw-welcome__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--tw-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.toomics-widget .tw-welcome__avatar .tw-icon {
  width: 18px;
  height: 18px;
  color: var(--tw-primary);
}

.toomics-widget .tw-welcome__bubble {
  background: var(--tw-bg-secondary);
  border-radius: var(--tw-radius-bubble);
  border-bottom-left-radius: 4px;
  padding: 12px 16px;
}

.toomics-widget .tw-welcome__greeting {
  font-size: 15px;
  font-weight: 600;
  color: var(--tw-text);
  line-height: 1.4;
}

.toomics-widget .tw-welcome__prompt {
  font-size: 14px;
  color: var(--tw-text-secondary);
  margin-top: 4px;
  line-height: 1.4;
}

/* Welcome scrollbar */
.toomics-widget .tw-welcome::-webkit-scrollbar {
  width: 4px;
}

.toomics-widget .tw-welcome::-webkit-scrollbar-track {
  background: transparent;
}

.toomics-widget .tw-welcome::-webkit-scrollbar-thumb {
  background: var(--tw-border);
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   6. CATEGORIES — Conversational topic selection cards
   -------------------------------------------------------------------------- */
.toomics-widget .tw-categories {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 16px 10px;
}

.toomics-widget .tw-category {
  text-align: left;
  padding: 8px 12px;
  border: 1px solid var(--tw-border);
  border-radius: 10px;
  background: var(--tw-bg);
  color: var(--tw-text);
  font-size: 13px;
  font-family: var(--tw-font);
  line-height: 1.35;
  cursor: pointer;
  transition: border-color var(--tw-transition), background var(--tw-transition), color var(--tw-transition);
}

.toomics-widget .tw-category:hover {
  border-color: var(--tw-primary);
  background: var(--tw-bg-secondary);
  color: var(--tw-primary);
}

.toomics-widget .tw-category:active {
  background: var(--tw-primary);
  color: var(--tw-text-inverse);
  border-color: var(--tw-primary);
}

/* --------------------------------------------------------------------------
   7. MESSAGES — Scrollable message area
   -------------------------------------------------------------------------- */
.toomics-widget .tw-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  scroll-behavior: smooth;
}

/* Custom scrollbar */
.toomics-widget .tw-messages::-webkit-scrollbar {
  width: 6px;
}

.toomics-widget .tw-messages::-webkit-scrollbar-track {
  background: transparent;
}

.toomics-widget .tw-messages::-webkit-scrollbar-thumb {
  background: var(--tw-border);
  border-radius: 3px;
}

.toomics-widget .tw-messages::-webkit-scrollbar-thumb:hover {
  background: var(--tw-text-secondary);
}

/* --------------------------------------------------------------------------
   8. MESSAGE — Individual message wrapper
   -------------------------------------------------------------------------- */
.toomics-widget .tw-message {
  margin-bottom: 16px;
  animation: tw-fade-in 0.25s ease-out;
}

.toomics-widget .tw-message--bot {
  display: flex;
  justify-content: flex-start;
}

.toomics-widget .tw-message--user {
  display: flex;
  justify-content: flex-end;
}

/* --------------------------------------------------------------------------
   9. BUBBLE — Message bubble
   -------------------------------------------------------------------------- */
.toomics-widget .tw-bubble {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: var(--tw-radius-bubble);
  line-height: 1.5;
  font-size: var(--tw-font-size);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.toomics-widget .tw-bubble--bot {
  background: var(--tw-bg-secondary);
  color: var(--tw-text);
  border-bottom-left-radius: 4px;
}

.toomics-widget .tw-bubble--user {
  background: var(--tw-primary);
  color: var(--tw-text-inverse);
  border-bottom-right-radius: 4px;
}

/* --------------------------------------------------------------------------
   10. BUBBLE CONTENT — Markdown-rendered inner HTML
   -------------------------------------------------------------------------- */
.toomics-widget .tw-bubble__content {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.toomics-widget .tw-bubble__content p {
  margin: 4px 0;
}

.toomics-widget .tw-bubble__content ol,
.toomics-widget .tw-bubble__content ul {
  margin: 8px 0;
  padding-left: 20px;
}

.toomics-widget .tw-bubble__content li {
  margin: 4px 0;
}

.toomics-widget .tw-bubble__content strong {
  font-weight: 600;
}

/* Links — bot bubble */
.toomics-widget .tw-bubble--bot .tw-bubble__content a {
  color: var(--tw-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.toomics-widget .tw-bubble--bot .tw-bubble__content a:hover {
  color: var(--tw-primary-dark);
}

/* Links — user bubble */
.toomics-widget .tw-bubble--user .tw-bubble__content a {
  color: var(--tw-text-inverse);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Inline code */
.toomics-widget .tw-bubble__content code {
  background: rgba(0, 0, 0, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

/* Blockquote */
.toomics-widget .tw-bubble__content blockquote {
  border-left: 3px solid var(--tw-primary);
  padding-left: 12px;
  color: var(--tw-text-secondary);
  margin: 8px 0;
}

/* --------------------------------------------------------------------------
   11. BUBBLE META — Timestamp
   -------------------------------------------------------------------------- */
.toomics-widget .tw-bubble__meta {
  font-size: 11px;
  color: var(--tw-text-secondary);
  margin-top: 4px;
}

.toomics-widget .tw-message--user .tw-bubble__meta {
  text-align: right;
}

/* --------------------------------------------------------------------------
   12. TYPING — Typing indicator (three dots)
   -------------------------------------------------------------------------- */
.toomics-widget .tw-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
  background: var(--tw-bg-secondary);
  border-radius: var(--tw-radius-bubble);
  border-bottom-left-radius: 4px;
  max-width: 60px;
  margin-bottom: 16px;
}

.toomics-widget .tw-typing__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tw-text-secondary);
  animation: tw-bounce 1.2s ease-in-out infinite;
}

.toomics-widget .tw-typing__dot:nth-child(2) {
  animation-delay: 0.15s;
}

.toomics-widget .tw-typing__dot:nth-child(3) {
  animation-delay: 0.3s;
}

/* --------------------------------------------------------------------------
   13. ESCALATION — Escalation banner
   -------------------------------------------------------------------------- */
.toomics-widget .tw-escalation {
  background: #FEF3C7;
  border-left: 3px solid var(--tw-warning);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--tw-text);
  line-height: 1.4;
}

.toomics-widget .tw-escalation--l1 {
  background: #FEE2E2;
  border-left-color: var(--tw-error);
}

.toomics-widget .tw-escalation .tw-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.toomics-widget .tw-escalation__text {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.toomics-widget .tw-escalation__spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--tw-border);
  border-top-color: var(--tw-warning);
  border-radius: 50%;
  animation: tw-spin 1s linear infinite;
  flex-shrink: 0;
}

.toomics-widget .tw-escalation--l1 .tw-escalation__spinner {
  border-top-color: var(--tw-error);
}

/* --------------------------------------------------------------------------
   14. INPUT AREA — Bottom input section
   -------------------------------------------------------------------------- */
.toomics-widget .tw-input-area {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 16px 14px;
  border-top: 1px solid var(--tw-border);
  background: var(--tw-bg);
  flex-shrink: 0;
}

.toomics-widget .tw-input__field {
  flex: 1;
  resize: none;
  border: 1px solid var(--tw-border);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: var(--tw-font-size);
  font-family: var(--tw-font);
  line-height: 1.5;
  max-height: 120px;
  outline: none;
  color: var(--tw-text);
  background: var(--tw-bg);
  transition: border-color var(--tw-transition), box-shadow var(--tw-transition);
}

.toomics-widget .tw-input__field::placeholder {
  color: var(--tw-text-secondary);
}

.toomics-widget .tw-input__field:focus {
  border-color: var(--tw-primary);
  box-shadow: 0 0 0 2px rgba(107, 78, 255, 0.1);
}

.toomics-widget .tw-input__send {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--tw-primary);
  color: var(--tw-text-inverse);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--tw-transition);
}

.toomics-widget .tw-input__send:hover {
  background: var(--tw-primary-dark);
}

.toomics-widget .tw-input__send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.toomics-widget .tw-input__send .tw-icon {
  width: 18px;
  height: 18px;
}

/* Ticket mode — Submit Ticket button style */
.toomics-widget .tw-input__send--ticket {
  background: var(--tw-success);
  border-radius: 10px;
  width: 44px;
  transition: background var(--tw-transition), border-radius 0.2s ease, width 0.2s ease;
}

.toomics-widget .tw-input__send--ticket:hover {
  background: #0ea572;
}

.toomics-widget .tw-input__send--ticket:disabled {
  opacity: 0.4;
}

/* --------------------------------------------------------------------------
   18. UTILITY CLASSES
   -------------------------------------------------------------------------- */
.toomics-widget .tw-icon {
  width: 20px;
  height: 20px;
  display: inline-block;
  flex-shrink: 0;
}

.toomics-widget .tw-icon--spin {
  animation: tw-spin 1s linear infinite;
}

.toomics-widget .tw-hidden {
  display: none;
}

.toomics-widget .tw-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   19. KEYFRAME ANIMATIONS
   -------------------------------------------------------------------------- */
@keyframes tw-slide-up {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

@keyframes tw-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(107, 78, 255, 0.4);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(107, 78, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(107, 78, 255, 0);
  }
}

@keyframes tw-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

/* --------------------------------------------------------------------------
   20. RESPONSIVE — Mobile & Tablet
   -------------------------------------------------------------------------- */

/* Small phones — fullscreen widget */
@media (max-width: 480px) {
  .toomics-widget .tw-window {
    position: fixed;
    inset: 0;
    width: 100%;
    max-height: 100%;
    border-radius: 0;
    bottom: 0;
    right: 0;
  }

  .toomics-widget .tw-launcher {
    bottom: 12px;
    right: 12px;
  }
}

/* Tablets — wider widget */
@media (min-width: 481px) and (max-width: 768px) {
  .toomics-widget .tw-window {
    width: 90vw;
    max-height: 80vh;
  }
}

/* --------------------------------------------------------------------------
   21. REDUCED MOTION — Accessibility
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .toomics-widget *,
  .toomics-widget *::before,
  .toomics-widget *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------------------
   22. FOCUS & ACCESSIBILITY
   -------------------------------------------------------------------------- */
.toomics-widget *:focus-visible {
  outline: 2px solid var(--tw-primary);
  outline-offset: 2px;
}

/* Remove default focus ring for mouse users */
.toomics-widget *:focus:not(:focus-visible) {
  outline: none;
}