/* ════════ Settings tab ════════ */

.settings-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.settings-section.full-width { grid-column: 1 / -1; }

.settings-section-title {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: var(--space-3);
}

.settings-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}

.st-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  flex-wrap: wrap;
}

.st-row-info {
  flex: 1;
  min-width: 160px;
}

.st-label {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text);
  margin-bottom: 2px;
}

.st-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.st-control {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.st-divider {
  height: 1px;
  background: var(--border-light);
  margin: 0 var(--space-5);
}

/* ── Setting option buttons (theme / goal / count / rate) ── */
.st-theme-btn,
.st-goal-btn,
.st-count-btn,
.st-rate-btn {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 2px solid var(--border);
  background: var(--card);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  transition: var(--transition);
  white-space: nowrap;
}

.st-theme-btn:hover,
.st-goal-btn:hover,
.st-count-btn:hover,
.st-rate-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.st-theme-btn.active,
.st-goal-btn.active,
.st-count-btn.active,
.st-rate-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ── Toggle switch ── */
.st-toggle {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
  cursor: pointer;
}

.st-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.st-toggle-track {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: var(--radius-pill);
  transition: background 0.2s;
}

.st-toggle input:checked ~ .st-toggle-track { background: var(--primary); }

.st-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: var(--shadow-xs);
}

.st-toggle input:checked ~ .st-toggle-track .st-toggle-thumb { transform: translateX(22px); }

/* ── Data stats ── */
.st-data-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-light);
}

.st-data-stat {
  padding: var(--space-4);
  background: var(--card);
  text-align: center;
}

.st-data-val {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 3px;
}

.st-data-lbl {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

/* ── Action buttons ── */
.st-action-row {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  flex-wrap: wrap;
}

.st-btn-danger-outline {
  background: transparent;
  color: var(--danger);
  border: 2px solid var(--danger);
}

.st-btn-danger-outline:hover { background: var(--danger-light); }

.st-btn-danger {
  background: var(--danger);
  color: #fff;
  border: 2px solid var(--danger);
}

.st-btn-danger:hover { background: #DC2626; border-color: #DC2626; }

/* ── About card ── */
.st-about {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-8) var(--space-6);
  text-align: center;
  gap: var(--space-2);
}

.st-about-icon  { font-size: 2.5rem; }

.st-about-name {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text);
}

.st-about-ver {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: 4px;
}

.st-about-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 420px;
  line-height: 1.6;
}

.st-about-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-2);
}

.st-about-tags span {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--primary-light);
  color: var(--primary);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
}

/* Dark mode */
[data-theme="dark"] .settings-card { background: var(--card); }

[data-theme="dark"] .st-theme-btn,
[data-theme="dark"] .st-goal-btn,
[data-theme="dark"] .st-count-btn,
[data-theme="dark"] .st-rate-btn {
  background: var(--card);
  border-color: var(--border);
  color: var(--text-muted);
}

[data-theme="dark"] .st-data-stat { background: var(--card); }

[data-theme="dark"] .st-btn-danger-outline { background: transparent; }
[data-theme="dark"] .st-btn-danger-outline:hover { background: var(--danger-light); }