.settings-shell {
  display: grid;
  gap: 12px;
}

.settings-tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.settings-tab {
  border: 1px solid var(--line);
  border-radius: 10px;
  min-height: 34px;
  padding: 6px 14px;
  background: #101828;
  color: var(--text-1);
  font-weight: 600;
}

.settings-tab.active {
  border-color: rgba(127, 151, 191, 0.38);
  color: var(--text-0);
  background: #16213a;
}

.settings-content {
  display: grid;
  gap: 12px;
}

.settings-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--surface-1) 0%, var(--surface-0) 100%);
  box-shadow: var(--shadow-lg);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.settings-guidance {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #101828;
}

.settings-help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.settings-help-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--text-1);
}

.settings-risk-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  min-width: 82px;
  flex: 0 0 auto;
}

.settings-risk-badge.info {
  background: rgba(69, 121, 202, 0.36);
  color: #e5f0ff;
}

.settings-risk-badge.warn {
  background: rgba(171, 121, 38, 0.4);
  color: #ffe8b6;
}

.settings-risk-badge.danger {
  background: rgba(170, 62, 62, 0.42);
  color: #ffd3d3;
}

.settings-preset-block {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(169, 186, 210, 0.22);
  border-radius: 10px;
  background: #0d1524;
}

.settings-preset-title {
  font-weight: 700;
  color: #e7f2ff;
}

.settings-preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.settings-preset-btn {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #101828;
  color: var(--text-1);
  min-height: 32px;
  padding: 5px 12px;
  font-weight: 700;
}

.settings-preset-btn.active {
  border-color: rgba(127, 151, 191, 0.4);
  color: var(--text-0);
  background: #16213a;
}

.settings-help-caption {
  margin: 0;
  color: var(--text-2);
  font-size: 12px;
}

.settings-card h3,
.settings-card h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.settings-card h4 {
  margin-top: 4px;
  color: #d7e8ff;
  font-size: 16px;
  font-weight: 700;
}

.settings-option-grid {
  display: grid;
  gap: 10px;
}

.settings-option-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.settings-option-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.settings-option-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.settings-option {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #101828;
  color: var(--text-0);
  padding: 14px 12px 12px;
  text-align: left;
  min-height: 126px;
}

.settings-option:hover {
  border-color: rgba(169, 186, 210, 0.42);
}

.settings-option.selected {
  border-color: rgba(169, 186, 210, 0.58);
  box-shadow: inset 0 0 0 1px rgba(169, 186, 210, 0.24);
}

.settings-option-title {
  font-weight: 700;
  font-size: 16px;
  color: #eaf2ff;
}

.settings-option-desc {
  margin-top: 6px;
  color: var(--text-1);
}

.settings-option-note {
  margin-top: 9px;
  color: #dbe9ff;
  font-weight: 700;
}

.settings-option-check {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(48, 84, 145, 0.9);
  color: #e7f2ff;
  font-weight: 900;
}

.settings-inline-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.settings-inline-row > * {
  flex: 1 1 220px;
}

.settings-list-grid {
  display: grid;
  gap: 8px;
}

.settings-list-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.settings-list-row input {
  flex: 1 1 auto;
}

.settings-list-row .btn {
  min-width: 34px;
  padding: 0;
}

.settings-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.settings-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  background: #101828;
  color: #d0e3ff;
}

.settings-slot-grid {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 6px;
}

.settings-slot-cell {
  border: 1px solid rgba(121, 160, 219, 0.4);
  border-radius: 7px;
  background: #0d1524;
  color: #91afd6;
  min-height: 36px;
  font-size: 12px;
  padding: 0;
}

.settings-slot-cell.selected {
  border-color: rgba(255, 229, 140, 0.88);
  background: rgba(108, 93, 25, 0.56);
  color: #fff6d1;
}

.settings-card.danger {
  border-color: rgba(240, 93, 122, 0.48);
}

/* ══════════════════════════════════════
   Modern Clean 2-Column Settings Layout
   ══════════════════════════════════════ */
.settings-header-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(13, 23, 42, 0.85);
  border: 1px solid rgba(112, 152, 220, 0.18);
  border-radius: 12px;
  backdrop-filter: blur(12px);
  margin-bottom: 6px;
}

.settings-main-title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: #f1f5f9;
  letter-spacing: -0.02em;
}

.settings-subtitle {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
  font-size: 13px;
  color: #94a3b8;
}

.settings-profile-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
}

.settings-host-preview code {
  background: rgba(0, 0, 0, 0.35);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono, monospace);
  color: #38bdf8;
}

.settings-btn-save-all {
  font-weight: 700;
  padding: 8px 18px;
  font-size: 14px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.settings-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

@media (max-width: 1024px) {
  .settings-columns {
    grid-template-columns: 1fr;
  }
}

.settings-col {
  display: grid;
  gap: 16px;
}

.settings-card {
  border: 1px solid rgba(112, 152, 220, 0.16);
  border-radius: 12px;
  background: rgba(13, 23, 42, 0.75);
  backdrop-filter: blur(10px);
  padding: 16px 18px;
  display: grid;
  gap: 14px;
  transition: border-color 0.2s;
}

.settings-card:hover {
  border-color: rgba(112, 152, 220, 0.28);
}

.settings-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 10px;
}

.settings-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.settings-card-title h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: #e2e8f0;
}

.settings-card-icon {
  font-size: 16px;
}

.settings-card-actions {
  display: flex;
  gap: 8px;
}

.settings-fields-group {
  display: grid;
  gap: 12px;
}

.settings-field {
  display: grid;
  gap: 5px;
}

.settings-field-row {
  display: flex;
  gap: 12px;
}

.settings-label-text {
  font-size: 12px;
  font-weight: 600;
  color: #94a3b8;
  letter-spacing: 0.02em;
}

.settings-hint-line {
  font-size: 11px;
  color: #64748b;
  margin-top: 2px;
  line-height: 1.3;
}

.btn-success {
  background: #10b981 !important;
  border-color: #059669 !important;
  color: #ffffff !important;
}