:root {
  --hgc-surface: var(--tf-surface, #ffffff);
  --hgc-line: var(--tf-rule, #ddd8d0);
  --hgc-text: var(--tf-ink, #12100e);
  --hgc-muted: var(--tf-ink-soft, #5c574f);
  --tf-card-bg: var(--tf-surface, #ffffff);
  --tf-input-bg: var(--tf-surface, #faf9f7);
  --tf-border: var(--tf-rule, #ddd8d0);
  --tf-text: var(--tf-ink, #12100e);
  --tf-muted: var(--tf-ink-soft, #5c574f);
}

/* Hijri / Gregorian Date Converter Styles */
/* Swiss / Editorial Utilitarian design system - Cluster: islamic */

.hgc-main {
  box-sizing: border-box;
  margin-inline: auto;
  max-width: 46rem;
  padding: 1.5rem 1.5rem;
}

.hgc-wrap {
  box-sizing: border-box;
  padding: 1.5rem 1rem 3rem;
  margin-inline: auto;
  max-width: 46rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.hgc-hidden {
  display: none !important;
}

/* Panel Containers */
.hgc-panel {
  background: var(--tf-surface, #ffffff);
  border: 1px solid var(--tf-rule);
  border-radius: 2px;
  padding: 1.25rem 1.5rem;
}

.hgc-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hgc-panel-title {
  font-family: Charter, "Iowan Old Style", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--tf-ink);
  margin: 0;
}

.hgc-panel-sub {
  font-size: 0.85rem;
  color: var(--tf-ink-soft);
}

/* Tabs */
.hgc-mode-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--tf-rule);
  padding-bottom: 0.5rem;
}

.hgc-tab {
  background: transparent;
  border: 1px solid transparent;
  padding: 0.45rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--tf-ink-soft);
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s ease;
}

.hgc-tab:hover {
  color: var(--tf-ink);
  background: var(--tf-accent-wash, rgba(27, 67, 50, 0.05));
}

.hgc-tab-active {
  background: var(--tf-accent-wash, rgba(27, 67, 50, 0.08)) !important;
  color: var(--tf-accent, #1b4332) !important;
  border-color: var(--tf-accent-soft, rgba(27, 67, 50, 0.25)) !important;
}

.hgc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hgc-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hgc-group-label {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--tf-accent, #1b4332);
  margin: 0;
}

.hgc-grid-inputs {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 1rem;
}

.hgc-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hgc-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--tf-ink);
}

.hgc-input,
.hgc-select {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font-size: 0.92rem;
  border: 1px solid var(--tf-rule);
  border-radius: 2px;
  background: var(--tf-surface, #ffffff);
  color: var(--tf-ink);
  box-sizing: border-box;
  font-family: inherit;
}

.hgc-input:focus,
.hgc-select:focus {
  outline: none;
  border-color: var(--tf-accent, #1b4332);
  box-shadow: none;
}

.hgc-offset-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--tf-accent-wash, rgba(27, 67, 50, 0.04));
  border: 1px solid var(--tf-rule);
  border-radius: 2px;
  padding: 0.65rem 1rem;
  flex-wrap: wrap;
}

.hgc-offset-box label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--tf-ink);
}

.hgc-select-sm {
  width: auto;
  min-width: 220px;
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
}

.hgc-actions-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.hgc-btn {
  padding: 0.65rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.hgc-btn-primary {
  background: var(--tf-accent);
  color: var(--tf-accent-ink, #ffffff);
}

.hgc-btn-primary:hover {
  background: var(--tf-accent-hover, #122f23);
}

.hgc-btn-secondary {
  background: var(--tf-accent-wash, rgba(27, 67, 50, 0.08));
  color: var(--tf-accent, #1b4332);
  border-color: var(--tf-accent-soft, rgba(27, 67, 50, 0.25));
}

.hgc-btn-secondary:hover {
  background: var(--tf-accent-soft, rgba(27, 67, 50, 0.18));
}

.hgc-btn-ghost {
  background: transparent;
  border: 1px solid var(--tf-rule);
  color: var(--tf-ink-soft);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 2px;
  cursor: pointer;
}

.hgc-btn-ghost:hover {
  background: var(--tf-accent-wash, rgba(27, 67, 50, 0.05));
  color: var(--tf-ink);
}

.hgc-btn-copied {
  background: var(--tf-accent-wash, rgba(27, 67, 50, 0.15)) !important;
  color: var(--tf-accent, #1b4332) !important;
  border-color: var(--tf-accent, #1b4332) !important;
}

.hgc-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.75rem;
  border-top: 1px solid var(--tf-rule);
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.hgc-stat-item {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.hgc-stat-label {
  color: var(--tf-ink-soft);
}

.hgc-stat-val {
  color: var(--tf-ink);
  font-weight: 600;
}

.hgc-toast {
  color: var(--tf-accent, #1b4332);
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.hgc-toast-visible {
  opacity: 1 !important;
}

/* Result Card */
.hgc-result-section {
  display: flex;
  flex-direction: column;
}

.hgc-card {
  background: var(--tf-surface, #ffffff);
  border: 1px solid var(--tf-rule);
  border-top: 3px solid var(--tf-accent, #1b4332);
  border-radius: 2px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hgc-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--tf-rule);
  padding-bottom: 0.75rem;
}

.hgc-card-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--tf-ink-soft);
}

.hgc-day-badge {
  background: var(--tf-accent-wash, rgba(27, 67, 50, 0.08));
  color: var(--tf-accent, #1b4332);
  border: 1px solid var(--tf-accent-soft, rgba(27, 67, 50, 0.25));
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
}

.hgc-hero-date {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.5rem 0;
}

.hgc-date-primary {
  font-family: Charter, "Iowan Old Style", Georgia, serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--tf-ink);
}

.hgc-date-arabic {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--tf-accent, #1b4332);
  direction: rtl;
}

.hgc-details-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  background: var(--tf-accent-wash, rgba(27, 67, 50, 0.04));
  border: 1px solid var(--tf-rule);
  border-radius: 2px;
  padding: 1rem 1.25rem;
}

.hgc-detail-col {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hgc-detail-key {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--tf-ink-soft);
  font-weight: 600;
}

.hgc-detail-val {
  font-size: 0.92rem;
  color: var(--tf-ink);
}

/* Table */
.hgc-table-wrap {
  box-sizing: border-box;
  padding-inline: 1.5rem;
  margin-inline: auto;
  max-width: 46rem;
  overflow-x: auto;
  margin-top: 0.5rem;
}

.hgc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
}

.hgc-table th,
.hgc-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--tf-rule);
}

.hgc-table th {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--tf-ink-soft);
  background: var(--tf-accent-wash, rgba(27, 67, 50, 0.03));
}

.hgc-table td {
  color: var(--tf-ink);
}

@media (max-width: 640px) {
  .hgc-grid-inputs {
    grid-template-columns: 1fr;
  }

  .hgc-actions-row {
    flex-direction: column;
    align-items: stretch;
  }

  .hgc-actions-row .hgc-btn {
    width: 100%;
  }
}