:root{--bg-color:#0f172a;--bg-gradient:linear-gradient(135deg, #0f172a 0%, #1e293b 100%);--text-primary:#f8fafc;--text-secondary:#cbd5e1;--accent-color:#3b82f6;--accent-hover:#2563eb;--glass-bg:#1e293bb3;--glass-border:#ffffff1a;--danger-color:#ef4444;--success-color:#10b981;--warning-color:#f59e0b}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-gradient);color:var(--text-primary);-webkit-font-smoothing:antialiased;background-attachment:fixed;min-height:100vh;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;overflow-x:hidden}.app-container{min-height:100vh;display:flex}.glass-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:16px;box-shadow:0 4px 30px #0000001a}.btn{background:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-weight:500;transition:all .3s;display:inline-flex}.btn:hover{background:var(--accent-hover);transform:translateY(-1px)}.btn-icon{color:var(--text-secondary);background:0 0;padding:.5rem}.btn-icon:hover{color:var(--text-primary);background:#ffffff0d}.sidebar{border-right:1px solid var(--glass-border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#0f172acc;flex-direction:column;gap:2rem;width:280px;padding:1.5rem;display:flex}.sidebar-logo{color:var(--accent-color);align-items:center;gap:1rem;font-size:1.5rem;font-weight:700;display:flex}.nav-links{flex-direction:column;gap:.5rem;display:flex}.nav-item{color:var(--text-secondary);border-radius:8px;align-items:center;gap:1rem;padding:.75rem 1rem;font-weight:500;text-decoration:none;transition:all .3s;display:flex}.nav-item:hover,.nav-item.active{color:var(--accent-color);background:#3b82f61a}.main-content{flex-direction:column;flex:1;gap:2rem;padding:2rem;display:flex;overflow-y:auto}.top-bar{border-radius:12px;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.page-title{font-size:1.8rem;font-weight:600}.top-controls{align-items:center;gap:1rem;display:flex}.dashboard-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;display:grid}.metric-card{flex-direction:column;gap:1rem;padding:1.5rem;transition:transform .3s;display:flex;position:relative;overflow:hidden}.metric-card:hover{transform:translateY(-5px)}.metric-card:before{content:"";background:var(--accent-color);opacity:.8;width:100%;height:4px;position:absolute;top:0;left:0}.metric-card.kw:before{background:var(--accent-color)}.metric-card.amps:before{background:var(--warning-color)}.metric-card.voltage:before{background:var(--danger-color)}.metric-card.hz:before{background:var(--success-color)}.metric-header{color:var(--text-secondary);justify-content:space-between;align-items:center;font-size:.9rem;font-weight:500;display:flex}.metric-icon{background:#ffffff0d;border-radius:8px;padding:.5rem}.metric-value{align-items:baseline;gap:.5rem;font-size:2.5rem;font-weight:700;display:flex}.metric-unit{color:var(--text-secondary);font-size:1rem;font-weight:500}.chart-container{height:400px;padding:1.5rem}.chart-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.1)}to{opacity:1;transform:scale(1)}}.animated-icon{animation:2s ease-in-out infinite pulse}.lang-selector{border:1px solid var(--glass-border);color:var(--text-primary);cursor:pointer;appearance:none;background:#ffffff0d;border-radius:8px;outline:none;padding:.5rem 1rem;font-family:inherit}.lang-selector option{background:var(--bg-color);color:var(--text-primary)}@media (width<=768px){.app-container{flex-direction:column;padding-bottom:70px}.sidebar{border-right:none;border-top:1px solid var(--glass-border);z-index:1000;flex-direction:row;justify-content:space-around;gap:0;width:100%;padding:.5rem 1rem;position:fixed;bottom:0;left:0}.sidebar-logo{display:none}.nav-links{flex-direction:row;justify-content:space-between;width:100%}.nav-item{flex-direction:column;gap:.25rem;padding:.5rem;font-size:.75rem}.nav-item span{display:none}.hide-mobile{display:none!important}.main-content{padding:1rem}.page-title{font-size:1.4rem}.top-controls{gap:.5rem}.metric-card{padding:1rem}.metric-value{font-size:2rem}}@media (width>=480px) and (width<=768px){.nav-item span{font-size:.7rem;display:block}}.form-group{flex-direction:column;gap:.5rem;margin-bottom:1.5rem;display:flex}.form-label{color:var(--text-secondary);font-size:.9rem;font-weight:500}.form-input{border:1px solid var(--glass-border);color:var(--text-primary);background:#0f172a80;border-radius:8px;outline:none;padding:.75rem 1rem;font-family:inherit;transition:border-color .3s}.form-input:focus{border-color:var(--accent-color)}.settings-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;display:grid}.settings-section{flex-direction:column;gap:1.5rem;padding:1.5rem;display:flex}.settings-header{color:var(--text-primary);border-bottom:1px solid var(--glass-border);align-items:center;gap:.75rem;padding-bottom:1rem;font-size:1.25rem;font-weight:600;display:flex}