@media(max-width:768px){.settings-section{border-radius:16px;padding:18px 16px 16px}.settings-row{gap:1rem}}@media(max-width:600px){.card{max-width:100vw;border-radius:10px;margin:0 -6px 16px;box-shadow:0 2px 8px #00000014;padding:10px 4px 14px}.form-group{margin-bottom:12px}.checkbox-group{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.theme-toggle-group{flex-direction:row;gap:4px;width:auto;justify-content:flex-start}.theme-toggle-btn{width:auto;min-width:0;font-size:14px;padding:8px 12px}.settings-section{padding:14px 10px 12px;border-radius:12px}.settings-row{flex-direction:column;align-items:flex-start;gap:.75rem}.settings-info h3{font-size:.9rem}.settings-info p{font-size:.8rem}#appInstalledText{font-size:15px;text-align:center;padding:8px 0 0;display:block}}.checkbox-group{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.theme-toggle-group{display:flex;gap:8px}.theme-toggle-btn{padding:8px 18px;border:2px solid var(--surface-light);background:var(--surface);color:var(--text-primary);border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:background .18s,color .18s,border-color .18s;outline:none}.theme-toggle-btn.active,.theme-toggle-btn:focus{border-color:var(--primary-color);background:var(--primary-color);color:#fff}.theme-toggle-btn:hover:not(.active){background:var(--surface-light);color:var(--primary-color)}.toggle-switch{position:relative;display:inline-block;width:46px;height:26px;margin-left:8px}.settings-section{background:var(--surface);border-radius:22px;padding:24px 24px 20px;max-width:700px;width:100%;margin:0 auto 24px;box-shadow:0 4px 24px #0000001a;border:1.5px solid #e6e9f0;overflow:hidden;text-align:left;display:flex;flex-direction:column;gap:18px}.settings-section .form-group{margin-bottom:16px}.settings-section label,.settings-section span{font-weight:600;color:var(--text-secondary)}.settings-section input,.settings-section select,.settings-section button{margin-top:8px}.settings-section button{cursor:pointer}.settings-row{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;padding:1rem 0}.settings-info{flex:1}.settings-info h3{margin:0 0 .5rem;font-size:1rem;color:var(--text-primary);font-weight:600}.settings-info p{margin:0;font-size:.9rem;color:var(--text-secondary);line-height:1.5}.toggle-switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background:var(--surface-light);transition:.3s;border-radius:26px;box-shadow:0 2px 8px #00000014}.slider:before{position:absolute;content:"";height:20px;width:20px;left:3px;bottom:3px;background:var(--primary-color);transition:.3s;border-radius:50%;box-shadow:0 1px 4px #0000001a}.toggle-switch input:checked+.slider{background:var(--primary-color)}.toggle-switch input:checked+.slider:before{transform:translate(20px);background:#fff}.toggle-switch input:focus+.slider{box-shadow:0 0 1px var(--primary-color)}