// ---------------------------------------------------------------------------
// Floating Action Button
// ---------------------------------------------------------------------------

.ai-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1200;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  border: none;
  border-radius: 2rem;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.45);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;

  &:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.55);
  }

  &:active {
    transform: translateY(0);
  }

  &--open {
    border-radius: 50%;
    padding: 0.85rem;
    background: #6366f1;

    .ai-fab__label {
      display: none;
    }
  }

  &__icon {
    font-size: 1.2rem;
    line-height: 1;
  }

  &__label--hidden {
    display: none;
  }
}

// ---------------------------------------------------------------------------
// Panel
// ---------------------------------------------------------------------------

.ai-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  height: 100vh;
  max-width: 100vw;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  background: var(--light-background, #ffffff);
  box-shadow: -4px 0 32px rgba(0, 0, 0, 0.15);
  border-left: 1px solid rgba(0, 0, 0, 0.08);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  :host-context(.theme-dark) & {
    background: #1e1e2e;
    border-left-color: rgba(255, 255, 255, 0.08);
    box-shadow: -4px 0 32px rgba(0, 0, 0, 0.5);
  }

  &--visible {
    transform: translateX(0);
  }
}

// ---------------------------------------------------------------------------
// Header
// ---------------------------------------------------------------------------

.ai-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  flex-shrink: 0;

  &-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
}

.ai-panel__avatar {
  font-size: 1.5rem;
  line-height: 1;
}

.ai-panel__title {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.ai-panel__subtitle {
  display: block;
  font-size: 0.7rem;
  opacity: 0.8;
  letter-spacing: 0.03em;
}

.ai-panel__close {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: background 0.15s ease;

  &:hover {
    background: rgba(255, 255, 255, 0.25);
  }
}

// ---------------------------------------------------------------------------
// Banner
// ---------------------------------------------------------------------------

.ai-banner {
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
  animation: slideDown 0.2s ease;

  &--success {
    background: #d1fae5;
    color: #065f46;

    :host-context(.theme-dark) & {
      background: #064e3b;
      color: #a7f3d0;
    }
  }

  &--seed {
    background: #eff6ff;
    color: #1e40af;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-weight: 500;

    :host-context(.theme-dark) & {
      background: #1e3a5f;
      color: #bfdbfe;
    }
  }

  &__actions {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
  }

  &__btn {
    border: none;
    border-radius: 6px;
    padding: 0.25rem 0.65rem;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;

    &:hover { opacity: 0.85; }

    &--primary {
      background: #2563eb;
      color: #fff;
    }

    &--dismiss {
      background: transparent;
      color: inherit;
      opacity: 0.6;
    }
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

// ---------------------------------------------------------------------------
// Messages
// ---------------------------------------------------------------------------

.ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  scroll-behavior: smooth;

  &::-webkit-scrollbar {
    width: 4px;
  }

  &::-webkit-scrollbar-track {
    background: transparent;
  }

  &::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 2px;
  }
}

.ai-message {
  display: flex;
  flex-direction: column;
  max-width: 88%;

  &--user {
    align-self: flex-end;
    align-items: flex-end;
  }

  &--assistant {
    align-self: flex-start;
    align-items: flex-start;
  }
}

.ai-bubble {
  padding: 0.65rem 0.9rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  line-height: 1.5;
  word-wrap: break-word;

  .ai-message--user & {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    border-bottom-right-radius: 0.25rem;
  }

  .ai-message--assistant & {
    background: #f3f4f6;
    color: #111827;
    border-bottom-left-radius: 0.25rem;

    :host-context(.theme-dark) & {
      background: #2d2d3d;
      color: #e2e8f0;
    }
  }

  // Typing indicator
  &--typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0.75rem 1rem;
    min-width: 3.5rem;
  }
}

// ---------------------------------------------------------------------------
// Typing dots
// ---------------------------------------------------------------------------

.ai-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #9ca3af;
  animation: typingBounce 1.2s ease-in-out infinite;

  &:nth-child(1) {
    animation-delay: 0s;
  }

  &:nth-child(2) {
    animation-delay: 0.2s;
  }

  &:nth-child(3) {
    animation-delay: 0.4s;
  }
}

@keyframes typingBounce {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-6px);
    opacity: 1;
  }
}

// ---------------------------------------------------------------------------
// Meta row (tools, confidence, latency, feedback)
// ---------------------------------------------------------------------------

.ai-meta {
  margin-top: 0.35rem;
  font-size: 0.72rem;

  &__warning {
    background: #fef3c7;
    color: #92400e;
    border-radius: 0.4rem;
    padding: 0.3rem 0.6rem;
    margin-bottom: 0.4rem;
    font-weight: 500;

    :host-context(.theme-dark) & {
      background: #451a03;
      color: #fcd34d;
    }
  }

  &__row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.3rem;
  }

  &__latency {
    color: #9ca3af;
    margin-left: auto;
    font-size: 0.68rem;
  }
}

.ai-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 0.75rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;

  &.confidence-high {
    background: #d1fae5;
    color: #065f46;
  }

  &.confidence-medium {
    background: #fef3c7;
    color: #92400e;
  }

  &.confidence-low {
    background: #fee2e2;
    color: #991b1b;
  }
}

.ai-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.45rem;
  border-radius: 0.75rem;
  font-size: 0.65rem;
  font-weight: 500;
  background: rgba(99, 102, 241, 0.1);
  color: #6366f1;
  border: 1px solid rgba(99, 102, 241, 0.2);

  :host-context(.theme-dark) & {
    background: rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
  }
}

// ---------------------------------------------------------------------------
// Feedback
// ---------------------------------------------------------------------------

.ai-feedback {
  display: flex;
  gap: 0.2rem;
  margin-left: 0.25rem;

  &__btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0.1rem;
    border-radius: 0.25rem;
    opacity: 0.5;
    transition: opacity 0.15s ease, background 0.15s ease;

    &:hover:not([disabled]) {
      opacity: 1;
      background: rgba(0, 0, 0, 0.05);
    }

    &[disabled] {
      cursor: default;
    }

    &--active-up {
      opacity: 1;
      filter: sepia(1) saturate(3) hue-rotate(90deg);
    }

    &--active-down {
      opacity: 1;
      filter: sepia(1) saturate(3) hue-rotate(320deg);
    }
  }
}

// ---------------------------------------------------------------------------
// Confirmation bar
// ---------------------------------------------------------------------------

.ai-confirm-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: #eff6ff;
  border-top: 1px solid #bfdbfe;
  flex-shrink: 0;

  :host-context(.theme-dark) & {
    background: #1e3a5f;
    border-top-color: #1d4ed8;
  }

  &__label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #1e40af;
    flex: 1;

    :host-context(.theme-dark) & {
      color: #93c5fd;
    }
  }

  &__btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: transform 0.15s ease, opacity 0.15s ease;

    &:hover {
      transform: translateY(-1px);
      opacity: 0.9;
    }

    &:active {
      transform: translateY(0);
    }

    &--yes {
      background: #10b981;
      color: #fff;
    }

    &--no {
      background: #ef4444;
      color: #fff;
    }
  }
}

// ---------------------------------------------------------------------------
// Input area
// ---------------------------------------------------------------------------

.ai-input-area {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  flex-shrink: 0;
  background: var(--light-background, #fff);

  :host-context(.theme-dark) & {
    background: #1e1e2e;
    border-top-color: rgba(255, 255, 255, 0.08);
  }
}

.ai-input {
  flex: 1;
  resize: none;
  border: 1.5px solid #e5e7eb;
  border-radius: 0.75rem;
  padding: 0.6rem 0.9rem;
  font-size: 0.875rem;
  font-family: inherit;
  background: #f9fafb;
  color: inherit;
  outline: none;
  transition: border-color 0.15s ease;
  max-height: 120px;
  overflow-y: auto;
  line-height: 1.5;

  &:focus {
    border-color: #6366f1;
    background: #fff;
  }

  &:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }

  :host-context(.theme-dark) & {
    background: #2d2d3d;
    border-color: rgba(255, 255, 255, 0.12);
    color: #e2e8f0;

    &:focus {
      border-color: #818cf8;
      background: #2d2d3d;
    }
  }
}

.ai-send {
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.15s ease, opacity 0.15s ease;

  &:hover:not([disabled]) {
    transform: scale(1.05);
  }

  &[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
  }

  &__spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
  }
}

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

// ---------------------------------------------------------------------------
// Backdrop (mobile)
// ---------------------------------------------------------------------------

.ai-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1050;
  background: rgba(0, 0, 0, 0.3);

  @media (min-width: 600px) {
    display: none;
  }
}

// ---------------------------------------------------------------------------
// Markdown rendering inside bubbles
// ---------------------------------------------------------------------------

.ai-bubble {
  ::ng-deep {
    p {
      margin: 0 0 0.4em;

      &:last-child {
        margin-bottom: 0;
      }
    }

    strong,
    b {
      font-weight: 700;
    }

    code {
      background: rgba(0, 0, 0, 0.08);
      border-radius: 3px;
      padding: 0.1em 0.35em;
      font-size: 0.85em;
      font-family: 'JetBrains Mono', 'Fira Mono', monospace;
    }

    ul,
    ol {
      margin: 0.25em 0;
      padding-left: 1.4em;
    }

    li {
      margin-bottom: 0.15em;
    }

    hr {
      border: none;
      border-top: 1px solid rgba(0, 0, 0, 0.12);
      margin: 0.5em 0;
    }
  }
}