.settings-input {
     display: block;
     width: 100%;
     margin-top: 8px;
     padding: 9px 13px;
     border: 1px solid var(--border-color, #d1d5db);
     border-radius: 8px;
     background: var(--input-bg, #fff);
     color: var(--text-primary, #111827);
     font-size: 0.875rem;
     transition: border-color 0.15s, box-shadow 0.15s;
     outline: none;
 }

 .settings-panel__icon {
     width: 44px;
     height: 44px;
     border-radius: 10px;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.2rem;
     flex-shrink: 0;
 }

 .settings-panel__icon--blue {
     background: #eff6ff;
     color: #2563eb;
 }

 .settings-panel__icon--green {
     background: #f0fdf4;
     color: #16a34a;
 }

 .settings-panel__icon--orange {
     background: #fff7ed;
     color: #ea580c;
 }

 .settings-panel__icon--purple {
     background: #faf5ff;
     color: #7c3aed;
 }

 .btn-settings-save {
     display: inline-flex;
     align-items: center;
     gap: 8px;
     padding: 9px 22px;
     background: var(--primary, #2563eb);
     color: #fff;
     border: none;
     border-radius: 8px;
     font-size: 0.875rem;
     font-weight: 600;
     cursor: pointer;
     transition: background .15s, opacity .15s, transform .1s;
 }

 .btn-settings-save:hover {
     background: var(--primary-dark, #1d4ed8);
 }

 .btn-settings-save:active {
     transform: scale(.98);
 }

 .btn-settings-save:disabled {
     opacity: .6;
     cursor: not-allowed;
 }

 .btn-settings-save.loading i {
     animation: spin .7s linear infinite;
 }

 /* ── Campaign name tag ───────────────────────────────────── */
 .campaign-name-tag {
     display: inline-flex;
     align-items: center;
     gap: 6px;
     font-size: 0.82rem;
     font-weight: 500;
     color: var(--text-primary, #111827);
 }

 .campaign-name-tag i {
     color: var(--primary, #2563eb);
     font-size: 0.85rem;
 }