.settings-layout{display:flex;gap:28px;max-width:860px;margin:0 auto}.settings-nav-panel{width:190px;flex-shrink:0}.settings-nav-panel .nav-item{margin-bottom:2px;font-size:.84rem}.settings-nav-panel .nav-item.active{background:var(--accent-dim);color:var(--accent)}.settings-content{flex:1 1;min-width:0}.section-header{margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--border)}.section-header h2{font-size:1rem;font-weight:600;margin-bottom:2px}.section-header p{font-size:.8rem;color:var(--text-3)}.settings-block{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px 20px;margin-bottom:14px}.settings-block-title{font-size:.8rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-3);margin-bottom:14px}.profile-top{display:flex;align-items:center;gap:16px;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border)}.profile-avatar-lg{width:60px;height:60px;border-radius:50%;background:var(--accent-dim);border:2px solid var(--accent-border);display:grid;place-items:center;font-size:1.5rem;font-weight:700;color:var(--accent);flex-shrink:0}.profile-avatar-actions{display:flex;flex-direction:column;gap:5px}.profile-avatar-actions .btn{height:30px;padding:0 12px;font-size:.78rem}.inline-row{display:flex;gap:12px}.inline-row .form-group{flex:1 1}.danger-zone{background:rgba(224,92,92,.04);border:1px solid rgba(224,92,92,.2);border-radius:var(--radius-lg);padding:18px 20px;margin-bottom:14px}.danger-title{font-size:.8rem;font-weight:600;color:#e05c5c;letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}.danger-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid rgba(224,92,92,.1)}.danger-item:last-child{border-bottom:none;padding-bottom:0}.danger-item-info h4{font-size:.875rem;font-weight:500;margin-bottom:2px}.danger-item-info p{font-size:.78rem;color:var(--text-3)}.theme-cards{display:flex;gap:10px;margin-bottom:6px}.theme-card{flex:1 1;border:2px solid var(--border-2);border-radius:var(--radius-md);padding:12px;cursor:pointer;text-align:center;transition:border-color var(--transition);background:var(--bg-2)}.theme-card.selected{border-color:var(--accent)}.theme-preview{height:44px;border-radius:6px;margin-bottom:8px;display:flex;overflow:hidden}.theme-preview-light{background:#fff;border:1px solid #e5e7eb;flex:1 1}.theme-preview-dark{background:#0e1117;flex:1 1}.theme-preview-sys{background:linear-gradient(135deg,#fff 50%,#0e1117 0);flex:1 1;border:1px solid #e5e7eb}.theme-card-label{font-size:.78rem;font-weight:500;color:var(--text-2)}.theme-card.selected .theme-card-label{color:var(--accent)}.font-size-row{display:flex;align-items:center;gap:12px}.font-size-row input[type=range]{flex:1 1;accent-color:var(--accent)}.font-size-label{font-size:.82rem;color:var(--text-2);min-width:28px;text-align:right}.api-key-row{display:flex;gap:8px}.api-key-row .form-input{font-family:var(--mono);font-size:.82rem;letter-spacing:.02em}@media (max-width:768px){.settings-layout{flex-direction:column}.settings-nav-panel{width:100%;display:flex;gap:4px;overflow-x:auto}}