/* Page-specific stylesheet for the Impersonation page
   Depends on global tokens from site.css
*/
@layer base, tokens, components, utilities;

/* Page-scoped layout tokens */
@layer tokens {
  :root {
    /* Controls the maximum width of the whole impersonation page container */
    --impersonation-shell-max-width: 1140px;   /* was 1140px */

    /* Controls the maximum width of cards (form card, roles card, banners) */
    --impersonation-card-max-width: 960px;   /* was 960px */

    /* Horizontal padding for the entire page (left & right spacing) */
    --impersonation-page-padding-x: clamp(1.5rem, 4vw, 3rem);

    /* Top spacing of the impersonation page */
    --impersonation-page-padding-top: clamp(3rem, 6vw, 4rem);

    /* Bottom spacing of the impersonation page */
    --impersonation-page-padding-bottom: clamp(4rem, 7vw, 6rem);

    /* Horizontal padding inside each impersonation card */
    --impersonation-card-padding-x: clamp(1.5rem, 5vw, 3rem);

    /* Vertical padding inside each impersonation card */
    --impersonation-card-padding-y: clamp(2rem, 4vw, 2.75rem);

    /* Horizontal gap between grid columns (for impersonation forms) */
    --impersonation-grid-column-gap: clamp(1.25rem, 4vw, 1.75rem);

    /* Vertical gap between grid rows (for impersonation forms) */
    --impersonation-grid-row-gap: clamp(1.4rem, 3vw, 1.7rem);

    /* Horizontal gap between role input fields */
    --impersonation-roles-column-gap: clamp(1.25rem, 4vw, 1.75rem);

    /* Vertical gap between role input fields */
    --impersonation-roles-row-gap: clamp(1.2rem, 3vw, 1.5rem);

    /* Unlock checkbox sizing & spacing */
    --impersonation-unlock-checkbox-size: 1.25rem;
    --impersonation-unlock-checkbox-gap: 0.75rem;
  }
}

@layer components {
  .impersonation-page {
    inline-size: min(var(--impersonation-shell-max-width), 100%);
    margin: 0 auto;
    padding: var(--impersonation-page-padding-top) var(--impersonation-page-padding-x) var(--impersonation-page-padding-bottom);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(2.5rem, 6vw, 3rem);
  }

  .impersonation-header {
    inline-size: min(var(--impersonation-card-max-width), 100%);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    color: var(--color-text-hero);
  }

  .impersonation-header h1 { margin: 0; }
  .impersonation-header p {
    margin: 0;
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.7;
  }

  .status-banner {
    inline-size: min(var(--impersonation-card-max-width), 100%);
    border-radius: var(--radius-banner);
    padding: 1rem var(--impersonation-card-padding-x);
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    color: var(--color-success-text);
    font-size: 0.95rem;
    line-height: 1.5;
    box-shadow: var(--shadow-success);
  }

  .impersonation-card,
  .roles-card,
  .advanced-banner {
    inline-size: min(var(--impersonation-card-max-width), 100%);
  }

  .impersonation-card {
    background: var(--color-surface);
    border-radius: var(--radius-card);
    padding: var(--impersonation-card-padding-y) var(--impersonation-card-padding-x);
    display: flex;
    flex-direction: column;
    gap: clamp(2rem, 5vw, 2.5rem);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--color-text);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
  .impersonation-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
  }

  .impersonation-actions button {
    background: var(--gradient-accent);
    color: #2b1424;
    border: none;
    font-weight: 600;
    padding: 0.9rem clamp(1.75rem, 5vw, 2.75rem);
    border-radius: var(--radius-pill);
    font-size: 1.05rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  @media (hover: hover) and (pointer: fine) {
    .impersonation-actions button:hover {
      transform: translateY(-1px);
      box-shadow: var(--shadow-cta);
    }
  }
  .impersonation-actions button:focus-visible {
    transform: translateY(-1px);
    box-shadow: var(--shadow-cta);
  }

  .section-label {
    font-size: var(--fs-h4); /* global type scale */
    font-weight: 600;
    margin: 0 0 1.25rem;
    color: var(--color-text);
  }

  .impersonation-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--impersonation-grid-column-gap);
    row-gap: var(--impersonation-grid-row-gap);
  }

  .impersonation-grid.full-width { grid-template-columns: 1fr; }

  .field-block {
    display: flex;
    flex-direction: column;
    gap: var(--field-gap);
  }

  .field-block label {
    font-size: 0.98rem; 
    letter-spacing: 0.01em;
    color: var(--color-text);
    font-weight: 500;
  }

	.field-block :where(input, select) {
	  inline-size: 100%; /* width of the input */
	  border-radius: 0.75rem;
	  border: 1px solid var(--color-border);
	  background: var(--color-surface-alt);
	  color: var(--color-text);

	  /* ↓ reduce vertical padding to make the input less tall */
	  padding: 0.6rem 1.1rem;  

	  font-size: 1rem;
	  line-height: 1.45;
	  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
	}

  .field-block :where(input, select):focus-visible {
    border-color: rgba(245, 200, 0, 0.75);
    box-shadow: var(--focus-ring);
    background: var(--color-surface-alt);
  }

  .readonly-input,
  .field-block input[readonly] {
    opacity: 0.85;
    background: #f5f0f8;
  }

  .required::after { content: " *"; color: #dd4a4a; }

  .notices-container {
    grid-column: 1 / -1;
    display: flex; flex-direction: column; align-items: center;
    gap: 0.8rem;
  }

  .notice-banner {
    display: flex; align-items: center; gap: 0.9rem;
    padding: clamp(1rem, 3vw, 1.25rem) var(--impersonation-card-padding-x);
    border-radius: var(--radius-banner);
    background: var(--color-warning-bg);
    border: 1px solid var(--color-warning-border);
    color: var(--color-warning-text);
    font-size: 0.98rem; line-height: 1.5;
  }

  .validation-error-banner {
    display: flex; align-items: center; gap: 0.9rem;
    padding: clamp(1rem, 3vw, 1.25rem) var(--impersonation-card-padding-x);
    border-radius: var(--radius-banner);
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    font-size: 0.98rem; line-height: 1.5;
    box-shadow: 0 1px 3px rgba(220, 38, 38, 0.1);
  }

  /* Roles */
  .roles-card legend { margin: 0; padding: 0; }

  .roles-legend {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; inline-size: 100%;
    font-size: var(--fs-h5); font-weight: 600; color: #311a42;
  }

  .add-role-button {
    border: none; background: var(--gradient-accent); color: #2b1424;
    font-weight: 600; border-radius: var(--radius-pill);
    padding: 0.5rem 1.5rem; cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  }
  @media (hover: hover) and (pointer: fine) {
    .add-role-button:hover { transform: translateY(-1px); box-shadow: var(--shadow-cta-sm); }
  }
  .add-role-button:focus-visible { transform: translateY(-1px); box-shadow: var(--shadow-cta-sm); }
  .add-role-button:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: none; transform: none; }

  .role-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--impersonation-roles-column-gap);
    row-gap: var(--impersonation-roles-row-gap);
  }
  .role-row .field-block { gap: var(--field-gap); }

  .roles-card--disabled {
    opacity: 0.55;
    pointer-events: none;
  }

  .roles-card--hidden {
    display: none;
  }

  .profile-grid--hidden {
    display: none;
  }

  .advanced-field--hidden {
    display: none;
  }

  /* advanced banner */
  .advanced-banner {
    inline-size: min(var(--impersonation-card-max-width), 100%);
    display: flex;
    align-items: left;
    justify-content: left;
    gap: var(--impersonation-unlock-checkbox-gap);
    background: var(--color-info-bg);
    padding: 15 px;
    border-radius: var(--radius-banner);
    border: 1px dashed var(--color-info-border);
    color: var(--color-info-text);
    font-size: 0.96rem;
    line-height: 1.6;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  }
  .advanced-banner input { inline-size: var(--impersonation-unlock-checkbox-size); block-size: var(--impersonation-unlock-checkbox-size); }
  .validation-error { color: #d1495b; font-size: 0.88rem; }

  /* Responsive */
  @media (max-width: 960px) {
    .impersonation-card {
      padding: 2.25rem clamp(1.25rem, 3vw, 2rem);
    }
  }
  @media (max-width: 860px) {
    .impersonation-grid {
      grid-template-columns: 1fr;
      column-gap: clamp(1rem, 4vw, 1.75rem);
      row-gap: clamp(1.25rem, 4vw, 1.6rem);
    }
    /* FIX: roles collapse on mobile */
    .role-row { grid-template-columns: 1fr; }

    .roles-legend {
      flex-direction: column; align-items: flex-start; gap: 0.75rem;
    }
    .add-role-button { align-self: stretch; text-align: center; }
  }
  @media (max-width: 640px) {
    .impersonation-card,
    .roles-card {
      padding: clamp(1.5rem, 4vw, 1.75rem) clamp(1.25rem, 4vw, 1.5rem);
    }
    .impersonation-actions { flex-direction: column; }
  }
}

/* No utilities yet */
@layer utilities {}