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p{font-size:.82rem;color:var(--text-secondary)}.theme-toggle-btn{min-width:160px;justify-content:center}.settings-systems{display:flex;flex-direction:column;gap:8px}.settings-system-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border:1px solid var(--border-color);border-radius:var(--radius);color:var(--text-secondary);transition:all var(--transition-fast)}.settings-system-item:hover{background:var(--link-hover-bg)}.settings-system-item__name{font-weight:600;color:var(--text-primary);flex:1}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{animation:spin 1s linear infinite}@media (max-width: 768px){.layout__main{margin-left:0}.sidebar{transform:translate(-100%)}.sidebar--open{transform:translate(0)}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:var(--overlay-bg);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:99}.sidebar__close{display:block}.sidebar__header{display:flex;align-items:center;justify-content:space-between}.header__menu-btn{display:flex}.content{padding:18px}.stat-cards{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.stat-card{padding:16px}.stat-card__value{font-size:1.3rem}.dashboard__charts,.systems-grid{grid-template-columns:1fr}.filter-bar{flex-direction:column;align-items:stretch}.filter-bar select,.filter-bar input{min-width:100%}.header__user-name,.header__logout-btn span{display:none}.page-header h1{font-size:1.4rem}}@media (max-width: 480px){.stat-cards{grid-template-columns:1fr 1fr}.page-header h1{font-size:1.25rem}.table{font-size:.8rem}.table thead th,.table tbody td{padding:8px 10px}.login-card{padding:32px 24px}.card{padding:18px}}