/*
 * App Layout - Sidebar + Main content pattern
 * Inspired by Linear, Notion, Vercel
 */

@layer components {
  /* ==========================================================================
     App Shell
     ========================================================================== */

  .app-layout {
    display: flex;
    min-height: 100vh;
    background-color: var(--color-canvas);
  }

  .app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
  }

  .app-content {
    flex: 1;
    padding: var(--space-8);
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
  }

  /* ==========================================================================
     Sidebar
     ========================================================================== */

  .sidebar {
    width: 240px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background-color: var(--color-surface);
    border-inline-end: 1px solid var(--color-border-muted);
    height: 100vh;
    position: sticky;
    top: 0;
  }

  .sidebar-header {
    padding: var(--space-4) var(--space-4);
    border-block-end: 1px solid var(--color-border-muted);
  }

  .sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: var(--color-ink);

    &:hover {
      text-decoration: none;
    }
  }

  .sidebar-logo-mark {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    object-fit: cover;
  }

  .sidebar-logo-text {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    letter-spacing: -0.02em;
  }

  /* Navigation */
  .sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-3) var(--space-4);
  }

  .sidebar-section {
    margin-block-end: var(--space-4);
  }

  .sidebar-section-label {
    padding: var(--space-2) 0;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-ink-subtle);
  }

  .sidebar-project {
    padding: var(--space-2) 0;
    margin-block-end: var(--space-1);
  }

  .sidebar-project-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-ink);
  }

  .sidebar-project-slug {
    font-size: var(--text-xs);
    color: var(--color-ink-muted);
  }

  .sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    text-decoration: none;
    border: none;
    background: none;
    width: 100%;
    cursor: pointer;
    text-align: left;
    transition: color var(--duration-fast) var(--ease-out);

    &:hover {
      color: var(--color-ink);
      text-decoration: none;
    }

    &.is-active {
      color: var(--color-ink);
      font-weight: var(--font-medium);
    }
  }

  .sidebar-badge {
    margin-inline-start: auto;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-ink-muted);
    background: var(--color-surface-muted);
    padding: var(--space-0_5) var(--space-2);
    border-radius: var(--radius-full);
    line-height: 1;
  }

  /* Footer / User */
  .sidebar-footer {
    padding: var(--space-3) var(--space-4);
    border-block-start: 1px solid var(--color-border-muted);
  }

  .sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-block-end: var(--space-2);
  }

  .sidebar-user-avatar {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--color-zinc-400), var(--color-zinc-500));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: white;
    flex-shrink: 0;
  }

  .sidebar-user-info {
    flex: 1;
    min-width: 0;
  }

  .sidebar-user-email {
    font-size: var(--text-sm);
    color: var(--color-ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Sign out - button_to creates a form wrapper */
  .sidebar-footer form {
    margin: 0;
  }

  .sidebar-signout {
    color: var(--color-ink-subtle);
    padding: var(--space-2) 0;

    &:hover {
      color: var(--color-negative);
    }
  }

  /* ==========================================================================
     Auth Layout (for sign in/sign up pages)
     ========================================================================== */

  .auth-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    background-color: var(--color-canvas);
  }
}