/* ==========================================================================
   Beautiful UI Components - Complete Styles
   Adapted from beautifului.dev for Legally Unbullied
   ========================================================================== */

/* -------------------------------------------------------------------------
   Design Tokens (extending existing)
   ------------------------------------------------------------------------- */
:root {
  /* Additional colors for Beautiful UI components */
  --beui-info: #3b82f6;
  --beui-warning: #f59e0b;
  --beui-success: #10b981;
  --beui-error: #ef4444;
  
  /* Component-specific spacing */
  --beui-spacing-xs: 4px;
  --beui-spacing-sm: 8px;
  --beui-spacing-md: 16px;
  --beui-spacing-lg: 24px;
  --beui-spacing-xl: 32px;
  
  /* Animation durations */
  --beui-duration-fast: 150ms;
  --beui-duration-normal: 300ms;
  --beui-duration-slow: 500ms;
  
  /* Border radius */
  --beui-radius-sm: 6px;
  --beui-radius-md: 8px;
  --beui-radius-lg: 12px;
}

/* ==========================================================================
   1. LOADING STATE (Drive Variant)
   ========================================================================== */

.beui-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--beui-spacing-md);
  padding: var(--beui-spacing-xl);
}

.beui-loading__drive {
  position: relative;
  width: 64px;
  height: 64px;
}

.beui-loading__drive-ring {
  position: absolute;
  inset: 0;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: beui-drive-spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.beui-loading__drive-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: var(--color-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Pixel grid loader */
.beui-loading__pixels {
  display: grid;
  grid-template-columns: repeat(4, 8px);
  grid-template-rows: repeat(4, 8px);
  gap: 2px;
}

.beui-loading__pixel {
  width: 8px;
  height: 8px;
  background: var(--color-border);
  border-radius: 1px;
  animation: beui-pixel-shimmer 1.5s ease-in-out infinite;
}

.beui-loading__pixel:nth-child(1) { animation-delay: 0s; }
.beui-loading__pixel:nth-child(2) { animation-delay: 0.1s; }
.beui-loading__pixel:nth-child(3) { animation-delay: 0.2s; }
.beui-loading__pixel:nth-child(4) { animation-delay: 0.3s; }
.beui-loading__pixel:nth-child(5) { animation-delay: 0.4s; }
.beui-loading__pixel:nth-child(6) { animation-delay: 0.5s; }
.beui-loading__pixel:nth-child(7) { animation-delay: 0.6s; }
.beui-loading__pixel:nth-child(8) { animation-delay: 0.7s; }
.beui-loading__pixel:nth-child(9) { animation-delay: 0.8s; }
.beui-loading__pixel:nth-child(10) { animation-delay: 0.9s; }
.beui-loading__pixel:nth-child(11) { animation-delay: 1.0s; }
.beui-loading__pixel:nth-child(12) { animation-delay: 1.1s; }
.beui-loading__pixel:nth-child(13) { animation-delay: 1.2s; }
.beui-loading__pixel:nth-child(14) { animation-delay: 1.3s; }
.beui-loading__pixel:nth-child(15) { animation-delay: 1.4s; }
.beui-loading__pixel:nth-child(16) { animation-delay: 1.5s; }

@keyframes beui-drive-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes beui-pixel-shimmer {
  0%, 100% {
    background: var(--color-border);
    opacity: 0.4;
  }
  50% {
    background: var(--color-accent);
    opacity: 1;
  }
}

.beui-loading__timer {
  display: flex;
  align-items: baseline;
  gap: var(--beui-spacing-xs);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text-muted);
}

.beui-loading__timer-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.beui-loading__label {
  font-size: 13px;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   2. THINKING COMPONENT (Tabbed)
   ========================================================================== */

.beui-thinking {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--beui-radius-lg);
  overflow: hidden;
  margin-bottom: var(--beui-spacing-md);
}

.beui-thinking__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--beui-spacing-sm) var(--beui-spacing-md);
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  user-select: none;
}

.beui-thinking__title {
  display: flex;
  align-items: center;
  gap: var(--beui-spacing-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

.beui-thinking__icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.beui-thinking__status {
  display: flex;
  align-items: center;
  gap: var(--beui-spacing-xs);
  font-size: 12px;
  color: var(--color-text-faint);
}

.beui-thinking__chevron {
  width: 16px;
  height: 16px;
  color: var(--color-text-faint);
  transition: transform var(--beui-duration-fast);
}

.beui-thinking.is-open .beui-thinking__chevron {
  transform: rotate(180deg);
}

.beui-thinking__tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.beui-thinking__tab {
  flex: 1;
  padding: var(--beui-spacing-sm) var(--beui-spacing-md);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--beui-duration-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.beui-thinking__tab:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

.beui-thinking__tab.is-active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.beui-thinking__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--beui-duration-normal);
}

.beui-thinking.is-open .beui-thinking__content {
  max-height: 600px;
}

.beui-thinking__panel {
  display: none;
  padding: var(--beui-spacing-md);
  max-height: 400px;
  overflow-y: auto;
}

.beui-thinking__panel.is-active {
  display: block;
}

/* Steps panel */
.beui-thinking__step {
  display: flex;
  gap: var(--beui-spacing-sm);
  padding: var(--beui-spacing-sm) 0;
  border-bottom: 1px solid var(--color-border-soft);
}

.beui-thinking__step:last-child {
  border-bottom: none;
}

.beui-thinking__step-indicator {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-faint);
}

.beui-thinking__step.is-complete .beui-thinking__step-indicator {
  background: var(--beui-success);
  color: white;
}

.beui-thinking__step.is-active .beui-thinking__step-indicator {
  background: var(--color-accent);
  color: var(--color-accent-text);
  animation: beui-pulse 2s ease-in-out infinite;
}

@keyframes beui-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.beui-thinking__step-content {
  flex: 1;
  min-width: 0;
}

.beui-thinking__step-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.beui-thinking__step-detail {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Reasoning panel */
.beui-thinking__reasoning {
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.6;
  white-space: pre-wrap;
}

/* Search panel */
.beui-thinking__search-item {
  display: flex;
  align-items: center;
  gap: var(--beui-spacing-sm);
  padding: var(--beui-spacing-sm);
  background: var(--color-bg);
  border-radius: var(--beui-radius-sm);
  margin-bottom: var(--beui-spacing-xs);
}

.beui-thinking__search-icon {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.beui-thinking__search-text {
  font-size: 12px;
  color: var(--color-text);
  flex: 1;
}

/* ==========================================================================
   3. STREAMING TEXT
   ========================================================================== */

.beui-streaming {
  position: relative;
}

.beui-streaming__content {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
}

.beui-streaming__cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--color-accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: beui-cursor-blink 1s step-end infinite;
}

@keyframes beui-cursor-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.beui-streaming__citation {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--beui-radius-sm);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-accent);
  cursor: pointer;
  transition: all var(--beui-duration-fast);
  vertical-align: baseline;
  margin: 0 2px;
}

.beui-streaming__citation:hover {
  background: var(--color-accent);
  color: var(--color-accent-text);
}

.beui-streaming__citation-icon {
  width: 12px;
  height: 12px;
}

.beui-streaming__sources-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--beui-spacing-xs);
  padding: var(--beui-spacing-xs) var(--beui-spacing-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--beui-radius-md);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-top: var(--beui-spacing-md);
  cursor: pointer;
  transition: all var(--beui-duration-fast);
}

.beui-streaming__sources-pill:hover {
  border-color: var(--color-accent-border);
  color: var(--color-accent);
}

.beui-streaming__sources-icon {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   8. PROMPT BAR
   ========================================================================== */

.beui-prompt-bar {
  position: relative;
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  transition: all var(--beui-duration-fast);
}

.beui-prompt-bar:focus-within {
  /* Focus outline removed */
}

.beui-prompt-bar__input-wrapper {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0;
  padding: 12px;
  width: 100%;
}

.beui-prompt-bar__input {
  flex: 1;
  min-height: 40px;
  max-height: 200px;
  padding: var(--beui-spacing-sm);
  background: transparent;
  border: none;
  font-size: 14px;
  color: var(--color-text);
  resize: none;
  font-family: inherit;
  min-width: 0;
}

.beui-prompt-bar__input:focus {
  outline: none;
}

.beui-prompt-bar__input::placeholder {
  color: var(--color-text-faint);
}

.beui-prompt-bar__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.25rem;
  flex: 0 0 auto;
}

.beui-prompt-bar__button {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--beui-radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--beui-duration-fast);
}

.beui-prompt-bar__button:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.beui-prompt-bar__button--submit {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  background: transparent;
}

.beui-prompt-bar__button--submit:hover {
  background: var(--color-surface-alt);
}

.beui-prompt-bar__button--submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: transparent;
}

.beui-prompt-bar__button-icon {
  width: 18px;
  height: 18px;
}

/* Mentions dropdown */
.beui-prompt-bar__mentions {
  position: absolute;
  bottom: 100%;
  left: 0;
  right: 0;
  margin-bottom: var(--beui-spacing-xs);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--beui-radius-md);
  max-height: 200px;
  overflow-y: auto;
  display: none;
}

.beui-prompt-bar__mentions.is-visible {
  display: block;
}

.beui-prompt-bar__mention-item {
  display: flex;
  align-items: center;
  gap: var(--beui-spacing-sm);
  padding: var(--beui-spacing-sm) var(--beui-spacing-md);
  cursor: pointer;
  transition: background var(--beui-duration-fast);
}

.beui-prompt-bar__mention-item:hover {
  background: var(--color-surface-alt);
}

.beui-prompt-bar__mention-icon {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
}

.beui-prompt-bar__mention-text {
  font-size: 13px;
  color: var(--color-text);
}

/* Mention chips in input */
.beui-prompt-bar__mention-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--beui-radius-sm);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  margin-right: 4px;
}

/* ==========================================================================
   9. RECOMMENDATION CARD
   ========================================================================== */

.beui-recommendation {
  background: var(--color-surface);
  border: 2px solid var(--color-accent-border);
  border-radius: var(--beui-radius-lg);
  padding: var(--beui-spacing-lg);
  margin: var(--beui-spacing-md) 0;
}

.beui-recommendation__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--beui-spacing-md);
}

.beui-recommendation__title {
  display: flex;
  align-items: center;
  gap: var(--beui-spacing-sm);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.beui-recommendation__icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.beui-recommendation__confidence {
  display: flex;
  align-items: center;
  gap: var(--beui-spacing-xs);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.beui-recommendation__confidence-bar {
  width: 60px;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.beui-recommendation__confidence-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 3px;
  transition: width var(--beui-duration-normal);
}

.beui-recommendation__action {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: var(--beui-spacing-lg);
}

.beui-recommendation__reasoning {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--beui-spacing-lg);
  padding-left: var(--beui-spacing-md);
  border-left: 3px solid var(--color-border);
}

.beui-recommendation__alternatives {
  margin-bottom: var(--beui-spacing-lg);
}

.beui-recommendation__alternatives-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--beui-spacing-sm);
}

.beui-recommendation__alternative {
  display: flex;
  align-items: center;
  gap: var(--beui-spacing-sm);
  padding: var(--beui-spacing-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--beui-radius-sm);
  margin-bottom: var(--beui-spacing-xs);
  font-size: 13px;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--beui-duration-fast);
}

.beui-recommendation__alternative:hover {
  border-color: var(--color-accent-border);
  color: var(--color-text);
}

.beui-recommendation__alternative-icon {
  width: 14px;
  height: 14px;
  color: var(--color-text-faint);
}

.beui-recommendation__actions {
  display: flex;
  gap: var(--beui-spacing-sm);
  justify-content: flex-end;
}

.beui-recommendation__button {
  padding: var(--beui-spacing-sm) var(--beui-spacing-lg);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--beui-radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--beui-duration-fast);
}

.beui-recommendation__button--primary {
  background: var(--color-accent);
  color: var(--color-accent-text);
}

.beui-recommendation__button--primary:hover {
  background: var(--color-accent-hover);
}

.beui-recommendation__button--secondary {
  background: var(--color-surface-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.beui-recommendation__button--secondary:hover {
  background: var(--color-surface);
}

/* ==========================================================================
   PROMPT BAR DROPDOWN
   ========================================================================== */

.beui-prompt-bar__dropdown {
  position: absolute;
  bottom: 100%;
  left: auto;
  right: 48px;
  width: 240px;
  max-width: 90%;
  margin-bottom: 4px;
  background: var(--color-surface, #1a1a1a);
  border: 1px solid var(--color-border, #333);
  border-radius: 8px;
  max-height: 300px;
  overflow-y: auto;
  display: none;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.3);
  z-index: 1000;
}

.beui-prompt-bar__dropdown.is-visible {
  display: block;
}

.beui-prompt-bar__dropdown-item {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 12px;
  padding: 12px 14px;
  cursor: pointer;
  transition: background-color 0.15s ease;
  border-bottom: 1px solid var(--color-border-soft, #2a2a2a);
  text-align: left;
}

.beui-prompt-bar__dropdown-item:last-child {
  border-bottom: none;
}

.beui-prompt-bar__dropdown-item:hover {
  background: var(--color-surface-alt, #252525);
}

.beui-prompt-bar__dropdown-item i {
  display: none;
}

.beui-prompt-bar__dropdown-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.beui-prompt-bar__dropdown-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text, #f5f5f5);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.beui-prompt-bar__dropdown-desc {
  font-size: 12px;
  color: var(--color-text-faint, #666);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}

.beui-prompt-bar__dropdown-tag {
  font-size: 11px;
  color: var(--color-accent, #f2b705);
  background: var(--color-accent-soft, rgba(242, 183, 5, 0.1));
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: auto;
  flex-shrink: 0;
}

.beui-prompt-bar__button--model {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-muted, #888);
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--color-surface, #1a1a1a);
  border: 1px solid var(--color-border, #333);
  cursor: pointer;
  transition: all 0.15s ease;
  flex: 0 0 auto;
  white-space: nowrap;
}

.beui-prompt-bar__button--model span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .beui-prompt-bar__button--model {
    padding: 6px 8px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .beui-prompt-bar__button--model {
    padding: 6px 8px;
    font-size: 11px;
  }
}

.beui-prompt-bar__button--model:hover {
  background: var(--color-surface-alt, #252525);
  border-color: var(--color-accent-border, rgba(242, 183, 5, 0.3));
  color: var(--color-text, #f5f5f5);
}

.beui-prompt-bar__button--model i {
  font-size: 14px;
}

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .beui-loading__drive-ring,
  .beui-loading__pixel,
  .beui-thinking__step.is-active .beui-thinking__step-indicator,
  .beui-streaming__cursor {
    animation: none;
  }
  
  .beui-thinking__content,
  .beui-thinking__chevron {
    transition: none;
  }
}

/* ==========================================================================
   MOBILE RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
  .beui-recommendation {
    padding: var(--beui-spacing-md);
  }
  
  .beui-recommendation__action {
    font-size: 15px;
  }
  
  .beui-thinking__tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .beui-thinking__tab {
    white-space: nowrap;
  }
}

/* ==========================================================================
   Streaming Text Animations (BeUIStreamingText)
   ========================================================================== */

@keyframes stream-in {
  0% {
    opacity: 0;
    filter: blur(10px);
    transform: translateY(4px);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

@keyframes fade-up {
  0% {
    opacity: 0;
    transform: translateY(6px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pop-in {
  0% {
    opacity: 0;
    transform: translateY(-1px) scale(0.85);
  }
  100% {
    opacity: 1;
    transform: translateY(-1px) scale(1);
  }
}
teY(-1px) scale(1);
  }
}