/* ============================================================
   diff.css — Version comparison / diff view styles
   Shows two permit versions side-by-side with change highlights
   ============================================================ */

/* ── 1. DIFF VIEW WRAPPER ────────────────────────────────── */
.diff-view {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ── 2. DIFF HEADER ──────────────────────────────────────── */
.diff-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border, #E5E7EB);
}

.diff-header-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.diff-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary, #1A3A6B);
}

.diff-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-secondary, #6B7280);
}

/* Version selector controls */
.diff-version-selectors {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.diff-version-group {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.diff-version-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary, #6B7280);
  white-space: nowrap;
}

.diff-version-select {
  padding: 0.4rem 1.75rem 0.4rem 0.65rem;
  border: 1.5px solid var(--color-border-strong, #D1D5DB);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--color-text, #1C1C1E);
  background-color: var(--color-surface, #FFFFFF);
  direction: ltr;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  min-width: 100px;
  transition: border-color 120ms ease;
}

.diff-version-select:focus {
  outline: none;
  border-color: var(--color-primary-mid, #2C5F9E);
  box-shadow: 0 0 0 3px rgba(44, 95, 158, 0.18);
}

.diff-vs-separator {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-muted, #9CA3AF);
  padding: 0 0.25rem;
}

/* ── 3. DIFF SUMMARY BOXES (side-by-side compliance totals) ── */
.diff-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.diff-summary-box {
  background-color: var(--color-surface, #FFFFFF);
  border-radius: 8px;
  border: 1.5px solid var(--color-border, #E5E7EB);
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.06);
  overflow: hidden;
}

.diff-summary-box-header {
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border-bottom: 1px solid var(--color-border, #E5E7EB);
}

.diff-summary-box-version {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-secondary, #6B7280);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.diff-summary-box-date {
  font-size: 0.75rem;
  color: var(--color-text-muted, #9CA3AF);
  direction: ltr;
}

.diff-summary-box-body {
  padding: 0.75rem 1rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.diff-summary-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  flex: 1 1 60px;
  padding: 0.45rem 0.5rem;
  border-radius: 6px;
  text-align: center;
}

.diff-summary-stat--pass    { background-color: var(--color-pass-bg, #F0FDF4); }
.diff-summary-stat--fail    { background-color: var(--color-fail-bg, #FEF2F2); }
.diff-summary-stat--warning { background-color: var(--color-warning-bg, #FFFBEB); }

.diff-summary-stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.diff-summary-stat--pass    .diff-summary-stat-value { color: var(--color-pass, #16A34A); }
.diff-summary-stat--fail    .diff-summary-stat-value { color: var(--color-fail, #DC2626); }
.diff-summary-stat--warning .diff-summary-stat-value { color: var(--color-warning, #D97706); }

.diff-summary-stat-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text-muted, #9CA3AF);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Overall verdict mini-pill in summary box */
.diff-summary-verdict {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  border: 1.5px solid transparent;
}

.diff-summary-verdict--pass {
  background-color: var(--color-pass-bg, #F0FDF4);
  color: var(--color-pass, #16A34A);
  border-color: var(--color-pass-border, #86EFAC);
}

.diff-summary-verdict--fail {
  background-color: var(--color-fail-bg, #FEF2F2);
  color: var(--color-fail, #DC2626);
  border-color: var(--color-fail-border, #FCA5A5);
}

.diff-summary-verdict--warning {
  background-color: var(--color-warning-bg, #FFFBEB);
  color: var(--color-warning, #D97706);
  border-color: var(--color-warning-border, #FCD34D);
}

/* ── 4. DIFF LEGEND ──────────────────────────────────────── */
.diff-legend {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-secondary, #6B7280);
  flex-wrap: wrap;
}

.diff-legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.diff-legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

.diff-legend-swatch--changed   { background-color: #FEF3C7; border: 1px solid #FCD34D; }
.diff-legend-swatch--unchanged { background-color: #FFFFFF;  border: 1px solid var(--color-border, #E5E7EB); }

/* ── 5. DIFF TABLE ───────────────────────────────────────── */
.diff-table-container {
  background-color: var(--color-surface, #FFFFFF);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.08);
  border: 1px solid var(--color-border, #E5E7EB);
  overflow: hidden;
  overflow-x: auto;
}

.diff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  direction: rtl;
  text-align: right;
}

/* Table header */
.diff-table thead tr {
  background-color: #F9FAFB;
  border-bottom: 2px solid var(--color-border, #E5E7EB);
}

.diff-table th {
  padding: 0.7rem 1rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-secondary, #6B7280);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  border-bottom: 2px solid var(--color-border, #E5E7EB);
}

/* Column sizing */
.diff-col-field   { width: 30%; }
.diff-col-a       { width: 25%; }
.diff-col-b       { width: 25%; }
.diff-col-status  { width: 20%; }

/* Table body cells */
.diff-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--color-border, #E5E7EB);
  vertical-align: middle;
  line-height: 1.4;
}

.diff-table tbody tr:last-child td {
  border-bottom: none;
}

/* Hover on unchanged rows */
.diff-row--unchanged:hover td {
  background-color: var(--color-bg, #F4F5F7);
}

/* ── 6. CHANGED ROW HIGHLIGHT ────────────────────────────── */
.diff-row--changed td {
  background-color: #FEF3C7;
}

.diff-row--changed:hover td {
  background-color: #FDE68A;
}

/* ── 7. VALUE CELLS ──────────────────────────────────────── */
.diff-field-name {
  font-weight: 600;
  color: var(--color-text, #1C1C1E);
}

.diff-field-group {
  font-size: 0.72rem;
  color: var(--color-text-muted, #9CA3AF);
  margin-top: 0.1rem;
}

/* Version A value — displayed in right column in RTL (i.e., older version) */
.diff-value--a {
  font-variant-numeric: tabular-nums;
  color: var(--color-text, #1C1C1E);
  direction: ltr;
  text-align: left;
}

/* Version B value — displayed in left column in RTL (i.e., newer version) */
.diff-value--b {
  font-variant-numeric: tabular-nums;
  color: var(--color-text, #1C1C1E);
  direction: ltr;
  text-align: left;
}

/* Highlight value that changed */
.diff-row--changed .diff-value--b {
  font-weight: 700;
  color: var(--color-primary, #1A3A6B);
}

/* Numeric value formatting */
.diff-value-number {
  font-variant-numeric: tabular-nums;
}

.diff-value-unit {
  font-size: 0.78rem;
  color: var(--color-text-muted, #9CA3AF);
  margin-right: 0.2rem;
}

/* ── 8. DIFF BADGE ("שונה") ──────────────────────────────── */
.diff-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 9999px;
  white-space: nowrap;
  background-color: #FEF3C7;
  color: #92400E;
  border: 1px solid #FCD34D;
}

.diff-badge--improved {
  background-color: var(--color-pass-bg, #F0FDF4);
  color: var(--color-pass, #16A34A);
  border-color: var(--color-pass-border, #86EFAC);
}

.diff-badge--worsened {
  background-color: var(--color-fail-bg, #FEF2F2);
  color: var(--color-fail, #DC2626);
  border-color: var(--color-fail-border, #FCA5A5);
}

/* ── 9. DIFF TABLE SECTION HEADER ROW ───────────────────── */
.diff-group-row td {
  background-color: #F3F4F6;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-secondary, #6B7280);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.45rem 1rem;
  border-top: 1px solid var(--color-border, #E5E7EB);
}

/* ── 10. NO CHANGES STATE ────────────────────────────────── */
.diff-no-changes {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  gap: 0.75rem;
  text-align: center;
  color: var(--color-text-muted, #9CA3AF);
}

.diff-no-changes-icon {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

.diff-no-changes-text {
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ── 11. DIFF CHANGE SUMMARY BAR ─────────────────────────── */
.diff-change-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background-color: #FFFBEB;
  border: 1px solid #FCD34D;
  border-radius: 6px;
  font-size: 0.85rem;
  color: #92400E;
  flex-wrap: wrap;
}

.diff-change-bar-count {
  font-weight: 700;
}

/* ── 12. RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 768px) {
  .diff-summary {
    grid-template-columns: 1fr;
  }

  .diff-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .diff-version-selectors {
    width: 100%;
  }

  .diff-table th,
  .diff-table td {
    padding: 0.5rem 0.65rem;
  }

  .diff-col-field  { width: 35%; }
  .diff-col-a      { width: 20%; }
  .diff-col-b      { width: 20%; }
  .diff-col-status { width: 25%; }
}

@media (max-width: 560px) {
  .diff-table-container {
    font-size: 0.82rem;
  }

  /* On very small screens, hide version A column to save space */
  .diff-col-a,
  .diff-table td:nth-child(2),
  .diff-table th:nth-child(2) {
    display: none;
  }
}