@use '../variables';

window.Overlay {
  .llm-chat {
    padding: 20px;
    font-family: variables.$font-sans;
    background-color: variables.$bg-base;
    border-radius: 16px;
    margin-bottom: 10px;
  }

  .chat-scroll {
    margin-bottom: 8px;
    border-radius: 20px;
  }

  .messages {
    padding: 6px;
  }

  .message-row {
    margin: 4px 0;

    &.user {
      margin-left: 40px;
    }

    &.assistant {
      margin-right: 40px;
    }
  }

  .message {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 16px;
    font-family: variables.$font-sans;
    font-weight: 500;
    line-height: 1.2;
    transition: variables.$transition-fast;

    &.user {
      background: variables.$accent-gradient;
      color: variables.$text-primary;
      border-bottom-right-radius: 4px;
    }

    &.assistant {
      background: rgba(variables.$bg-surface, 0.7);
      color: variables.$text-primary;
      border-bottom-left-radius: 4px;
      border: 1px solid rgba(variables.$border-default, 0.5);
    }

    &.thinking {
      font-size: 20px;
      padding: 4px 16px;
      animation: spin 1s linear infinite;
      background: transparent;
      border: none;
    }
  }

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

  // ── backend toggle ─────────────────────────────────────────────────────

  .backend-toggle {
    border-radius: 28px;
    border: 1px solid variables.$border-default;
  }

  .toggle-btn {
    padding: 0 8px;
    font-size: 13px;
    font-family: variables.$font-sans;
    font-weight: 500;
    background: transparent;
    color: variables.$text-muted;
    border: none;
    border-radius: 0;
    transition: variables.$transition-fast;

    &:first-child {
      border-radius: 28px 0 0 28px;
    }

    &:last-child {
      border-radius: 0 28px 28px 0;
    }

    &:hover {
      color: variables.$text-primary;
      background: rgba(variables.$accent-primary, 0.15);
    }

    &.active {
      background: variables.$accent-gradient;
      color: variables.$text-primary;
    }
  }

  // ── model selector button ──────────────────────────────────────────────

  .model-selector {
    font-size: 13px;
    padding: 0 8px;
    font-family: variables.$font-sans;
    font-weight: 500;
    background: rgba(variables.$bg-surface, 0.5);
    color: variables.$text-muted;
    border: 1px solid variables.$border-default;
    border-radius: 28px;
    transition: variables.$transition-fast;

    &:hover {
      color: variables.$text-primary;
      border-color: variables.$accent-primary;
      background: rgba(variables.$bg-surface, 0.8);
    }
  }

  // ── model popover ──────────────────────────────────────────────────────

  .model-popover {
    background: variables.$bg-surface-hover;
    border: 1px solid variables.$border-default;
    border-radius: 12px;
    padding: 6px;
  }

  .model-popover contents{
    background: transparent;
    outline: 2px solid variables.$bg-surface-hover;
    border: none;
  }

  .model-list {
    background: variables.$bg-surface-hover;
    min-width: 180px;
  }

  .model-item {
    padding: 6px 14px;
    font-size: 13px;
    font-family: variables.$font-sans;
    font-weight: 400;
    color: variables.$text-secondary;
    background: transparent;
    border: none;
    border-radius: 8px;
    transition: variables.$transition-fast;

    &:hover {
      background: rgba(variables.$accent-primary, 0.15);
      color: variables.$text-primary;
    }

    &.active {
      background: rgba(variables.$accent-primary, 0.2);
      color: variables.$accent-primary-light;
      font-weight: 500;
    }
  }

  // ── input row ──────────────────────────────────────────────────────────

  .input-row {
    margin-top: 4px;
  }

  .chat-input {
    background: rgba(variables.$bg-surface, 0.6);
    border-radius: 28px;
    padding: 0 20px;
    font-size: 16px;
    font-family: variables.$font-sans;
    font-weight: 400;
    border: 1px solid variables.$border-default;
    transition: variables.$transition-fast;
    color: variables.$text-primary;
    outline: none;

    &:focus {
      border-color: variables.$accent-primary;
      background: rgba(variables.$bg-surface, 0.8);
    }
  }

  .send-button {
    background: variables.$accent-gradient;
    border-radius: 28px;
    font-size: 32px;
    font-weight: bold;
    color: variables.$text-primary;
    border: none;
    transition: variables.$transition-fast;

    &:hover {
      transform: scale(1.02);
      box-shadow: variables.$shadow-md;
    }

    &.loading {
      opacity: 0.6;
      transform: none;
      animation: spin 1s linear infinite;
    }
  }

  .empty-state {
    background: transparent;
    padding: 32px 20px;
    margin: 20px;
  }

  .empty-svg {
    margin-bottom: 16px;
  }

  .empty-title {
    font-family: variables.$font-sans;
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -0.5px;
    color: variables.$text-primary;
    margin-bottom: 6px;
  }

  .empty-subtitle {
    font-family: variables.$font-sans;
    font-weight: 400;
    font-size: 16px;
    color: variables.$text-muted;
  }
}