/* ═══════════════════════════════════════════════════════════════════
   SETTINGS — css/modules/settings.css
   ═══════════════════════════════════════════════════════════════════
   Tabbed settings shell, setting cards (link out to sub-pages),
   backup/restore list, system logs table, grading-scale editor rows,
   and academic-calendar term editor.
   ═══════════════════════════════════════════════════════════════════ */

.settings-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--card-border, rgba(255, 255, 255, 0.07));
  margin-bottom: 20px;
  overflow-x: auto;
}

.settings-tabs .tab-btn {
  padding: 10px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--card-text-muted, #475569);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.settings-tabs .tab-btn svg {
  width: 14px;
  height: 14px;
}

.settings-tabs .tab-btn:hover {
  color: var(--card-text, #e2e8f0);
}

.settings-tabs .tab-btn.active {
  color: var(--accent-light, #60a5fa);
  border-bottom-color: var(--accent);
}

/* ── Setting card grid (top-level settings menu) ── */
.setting-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.setting-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--card-bg, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--card-border, rgba(255, 255, 255, 0.07));
  border-radius: var(--radius, 10px);
  cursor: pointer;
  transition: all 0.2s;
}

.setting-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-glow, rgba(59, 130, 246, 0.18));
}

.setting-card .setting-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-light, #60a5fa);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.setting-card .setting-icon svg {
  width: 18px;
  height: 18px;
}

.setting-card .setting-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--card-text, #e2e8f0);
}

.setting-card .setting-desc {
  font-size: 0.72rem;
  color: var(--card-text-muted, #475569);
  margin-top: 3px;
}

/* ── Settings form section ── */
.settings-section {
  background: var(--card-bg, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--card-border, rgba(255, 255, 255, 0.07));
  border-radius: var(--radius, 10px);
  padding: 20px;
  margin-bottom: 16px;
}

.settings-section__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--card-text, #e2e8f0);
  margin-bottom: 4px;
}

.settings-section__desc {
  font-size: 0.75rem;
  color: var(--card-text-muted, #475569);
  margin-bottom: 16px;
}

/* ── Backup & restore ── */
.backup-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border, rgba(255, 255, 255, 0.06));
  margin-bottom: 8px;
}

.backup-info {
  display: flex;
  gap: 14px;
  font-size: 0.75rem;
  color: var(--card-text-muted, #475569);
  flex-wrap: wrap;
}

.backup-info strong {
  color: var(--card-text, #e2e8f0);
}

.backup-type-badge {
  font-size: 0.62rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 99px;
  text-transform: uppercase;
}

.backup-type-badge.auto {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-light, #60a5fa);
}

.backup-type-badge.manual {
  background: rgba(139, 92, 246, 0.12);
  color: var(--academics-accent, #8b5cf6);
}

.backup-type-badge.emergency {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
}

/* ── System logs ── */
.logs-table-wrap {
  overflow-x: auto;
}

.logs-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.logs-table th {
  text-align: left;
  font-size: 0.7rem;
  color: var(--card-text-muted, #475569);
  padding: 8px 10px;
  border-bottom: 1px solid var(--card-border, rgba(255, 255, 255, 0.07));
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.logs-table td {
  padding: 8px 10px;
  font-size: 0.78rem;
  color: var(--card-text, #e2e8f0);
  border-bottom: 1px solid var(--card-border, rgba(255, 255, 255, 0.05));
}

.log-action-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
}

.log-action-badge.create {
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
}

.log-action-badge.update {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-light, #60a5fa);
}

.log-action-badge.delete {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
}

.log-action-badge.login {
  background: rgba(139, 92, 246, 0.12);
  color: var(--academics-accent, #8b5cf6);
}

/* ── Grading scale editor ── */
.grade-band-row {
  display: grid;
  grid-template-columns: 60px 1fr 1fr 40px 40px;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--card-border, rgba(255, 255, 255, 0.05));
}

.grade-band-row__letter {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--text-inverse, #f1f5f9);
}

.grade-band-color-swatch {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.15);
}

.pass-mark-slider-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
}

/* ── Academic calendar / term editor ── */
.term-editor-row {
  display: grid;
  grid-template-columns: 100px 1fr 1fr 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border, rgba(255, 255, 255, 0.06));
  margin-bottom: 8px;
}

.term-editor-row__label {
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--card-text, #e2e8f0);
}

/* ── System health ── */
.health-check-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--card-border, rgba(255, 255, 255, 0.05));
}

.health-status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
}

.health-status-dot.ok {
  background: var(--success);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.health-status-dot.warn {
  background: var(--warning);
}

.health-status-dot.error {
  background: var(--danger);
}

@media (max-width: 768px) {
  .setting-card-grid {
    grid-template-columns: 1fr;
  }

  .grade-band-row,
  .term-editor-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .logs-table th,
  .logs-table td {
    font-size: 0.68rem;
    padding: 6px 8px;
  }
}