/* ── Settings Page ──────────────────────────────────────────────────────── */

.settings-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  height: calc(100vh - 56px);
  overflow: hidden;
}

/* ── Sidebar ────────────────────────────────────────────────────────────── */

.settings-sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px 0;
}

.settings-sidebar__title {
  padding: 0 20px 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.settings-sidebar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 14px;
  width: 100%;
  text-align: left;
  transition: background var(--transition), color var(--transition);
  border-left: 3px solid transparent;
}

.settings-sidebar__item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.settings-sidebar__item.active {
  background: var(--bg-hover);
  color: var(--blue);
  border-left-color: var(--blue);
}

.settings-sidebar__icon {
  font-size: 16px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}

/* ── Main Panel ─────────────────────────────────────────────────────────── */

.settings-panel {
  overflow-y: auto;
  padding: 32px 40px 120px;
}

.settings-panel__header {
  margin-bottom: 28px;
}

.settings-panel__title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.settings-panel__desc {
  font-size: 13px;
  color: var(--text-muted);
}

/* ── Field Groups ───────────────────────────────────────────────────────── */

.settings-field {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.settings-field:last-child {
  border-bottom: none;
}

.settings-field__label-group {
  padding-top: 8px;
}

.settings-field__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.settings-field__desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.settings-field__input-group {
  position: relative;
}

.settings-field input[type="text"],
.settings-field input[type="password"],
.settings-field input[type="number"],
.settings-field textarea,
.settings-field select {
  width: 100%;
  max-width: 480px;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: border-color var(--transition);
}

.settings-field input:focus,
.settings-field textarea:focus,
.settings-field select:focus {
  outline: none;
  border-color: var(--blue);
}

.settings-field input::placeholder,
.settings-field textarea::placeholder {
  color: var(--text-muted);
}

.settings-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.settings-field textarea {
  min-height: 80px;
  resize: vertical;
}

/* ── Password reveal ────────────────────────────────────────────────────── */

.settings-reveal-wrapper {
  position: relative;
  max-width: 480px;
}

.settings-reveal-wrapper input {
  padding-right: 40px;
}

.settings-reveal-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
  transition: color var(--transition);
}

.settings-reveal-btn:hover {
  color: var(--text-primary);
}

/* ── Boolean toggle ─────────────────────────────────────────────────────── */

.settings-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 6px;
}

.settings-toggle__switch {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--transition);
  flex-shrink: 0;
}

.settings-toggle__switch.on {
  background: var(--blue);
}

.settings-toggle__switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: var(--bg-card);
  border-radius: 50%;
  transition: transform var(--transition);
}

.settings-toggle__switch.on::after {
  transform: translateX(20px);
}

.settings-toggle__label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ── Restart Banner ─────────────────────────────────────────────────────── */

.settings-banner--restart {
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--amber-bg);
  border-bottom: 1px solid var(--amber);
  color: var(--amber);
  font-size: 13px;
  font-weight: 500;
}

.settings-banner--restart button {
  background: none;
  border: none;
  color: var(--amber);
  cursor: pointer;
  font-size: 16px;
  margin-left: 12px;
  opacity: 0.7;
}

.settings-banner--restart button:hover {
  opacity: 1;
}

/* ── Sticky Actions Bar ─────────────────────────────────────────────────── */

.settings-actions {
  position: fixed;
  bottom: 0;
  left: 260px;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 14px 40px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  z-index: 40;
}

.settings-actions__btn {
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.settings-actions__btn--discard {
  background: transparent;
  color: var(--text-secondary);
}

.settings-actions__btn--discard:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.settings-actions__btn--save {
  background: var(--blue);
  color: var(--text-always-white);
  border-color: var(--blue);
}

.settings-actions__btn--save:hover {
  filter: brightness(1.1);
}

.settings-actions__btn--save:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Change indicator ───────────────────────────────────────────────────── */

.settings-field--dirty .settings-field__label::after {
  content: '●';
  color: var(--amber);
  margin-left: 6px;
  font-size: 10px;
}

/* ── Error / success messages ───────────────────────────────────────────── */

.settings-msg {
  font-size: 13px;
  padding: 0 12px;
}

.settings-msg--success { color: var(--green); }
.settings-msg--error   { color: var(--red); }

/* ── Loading state ──────────────────────────────────────────────────────── */

.settings-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ── Access denied ──────────────────────────────────────────────────────── */

.settings-denied {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: calc(100vh - 56px);
  gap: 12px;
  color: var(--text-muted);
}

.settings-denied__icon {
  font-size: 48px;
}

.settings-denied__text {
  font-size: 16px;
}

/* ── Responsive ─────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .settings-layout {
    grid-template-columns: 1fr;
  }
  .settings-sidebar {
    display: none;
  }
  .settings-actions {
    left: 0;
  }
  .settings-field {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}