:root{--color-bg-primary: #fafafa;--color-bg-secondary: #ffffff;--color-bg-tertiary: #f4f4f5;--color-bg-elevated: #ffffff;--color-text-primary: #18181b;--color-text-secondary: #52525b;--color-text-tertiary: #71717a;--color-text-muted: #a1a1aa;--color-border: #e4e4e7;--color-border-light: #f4f4f5;--color-accent: #3b82f6;--color-accent-hover: #2563eb;--color-accent-light: #dbeafe;--color-accent-text: #ffffff;--color-success: #22c55e;--color-success-bg: #dcfce7;--color-warning: #f59e0b;--color-warning-bg: #fef3c7;--color-error: #ef4444;--color-error-bg: #fee2e2;--color-info: #3b82f6;--color-info-bg: #dbeafe;--color-on: #22c55e;--color-off: #71717a;--color-offline: #ef4444;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--spacing-16: 4rem;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--sidebar-width: 240px;--sidebar-collapsed-width: 64px;--header-height: 64px}[data-theme=dark]{--color-bg-primary: #09090b;--color-bg-secondary: #18181b;--color-bg-tertiary: #27272a;--color-bg-elevated: #27272a;--color-text-primary: #fafafa;--color-text-secondary: #a1a1aa;--color-text-tertiary: #71717a;--color-text-muted: #52525b;--color-border: #3f3f46;--color-border-light: #27272a;--color-accent-light: #1e3a5f;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .4), 0 2px 4px -2px rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .5), 0 4px 6px -4px rgb(0 0 0 / .4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-bg-primary);min-height:100vh}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover)}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight);color:var(--color-text-primary)}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-2);padding:var(--spacing-2) var(--spacing-4);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);line-height:1;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--color-accent);color:var(--color-accent-text);border-color:var(--color-accent)}.btn-primary:hover:not(:disabled){background-color:var(--color-accent-hover);border-color:var(--color-accent-hover)}.btn-secondary{background-color:var(--color-bg-tertiary);color:var(--color-text-primary);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background-color:var(--color-border)}.btn-ghost{background-color:transparent;color:var(--color-text-secondary)}.btn-ghost:hover:not(:disabled){background-color:var(--color-bg-tertiary);color:var(--color-text-primary)}.btn-icon{padding:var(--spacing-2);width:36px;height:36px}.btn-sm{padding:var(--spacing-1) var(--spacing-3);font-size:var(--font-size-xs)}.btn-lg{padding:var(--spacing-3) var(--spacing-6);font-size:var(--font-size-base)}.input{width:100%;padding:var(--spacing-2) var(--spacing-3);font-size:var(--font-size-sm);color:var(--color-text-primary);background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.input::placeholder{color:var(--color-text-muted)}.label{display:block;margin-bottom:var(--spacing-1);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary)}.form-group{margin-bottom:var(--spacing-4)}.card{background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.card-header{padding:var(--spacing-4);border-bottom:1px solid var(--color-border)}.card-body{padding:var(--spacing-4)}.card-footer{padding:var(--spacing-4);border-top:1px solid var(--color-border);background-color:var(--color-bg-tertiary)}.device-card{background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-4);cursor:pointer;transition:all var(--transition-fast)}.device-card:hover{border-color:var(--color-accent);box-shadow:var(--shadow-md)}.device-card.is-on{border-color:var(--color-on);background:linear-gradient(135deg,var(--color-bg-secondary) 0%,rgba(34,197,94,.05) 100%)}.device-card.is-offline{opacity:.6}.device-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background-color:var(--color-bg-tertiary);color:var(--color-text-secondary);margin-bottom:var(--spacing-3)}.device-icon.is-on{background-color:var(--color-success-bg);color:var(--color-success)}.device-name{font-weight:var(--font-weight-medium);margin-bottom:var(--spacing-1)}.device-status{font-size:var(--font-size-sm);color:var(--color-text-muted)}.device-toggle{width:48px;height:28px;border-radius:14px;background-color:var(--color-bg-tertiary);border:1px solid var(--color-border);position:relative;cursor:pointer;transition:all var(--transition-fast)}.device-toggle:after{content:"";position:absolute;width:22px;height:22px;border-radius:50%;background-color:var(--color-bg-secondary);box-shadow:var(--shadow-sm);top:2px;left:2px;transition:transform var(--transition-fast)}.device-toggle.is-on{background-color:var(--color-success);border-color:var(--color-success)}.device-toggle.is-on:after{transform:translate(20px)}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background-color:var(--color-bg-secondary);border-right:1px solid var(--color-border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-header{padding:var(--spacing-4);border-bottom:1px solid var(--color-border);display:flex;align-items:center;gap:var(--spacing-3)}.sidebar-logo{width:32px;height:32px;background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-hover) 100%);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:var(--font-weight-bold);font-size:var(--font-size-lg)}.sidebar-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold)}.sidebar-nav{flex:1;padding:var(--spacing-4);overflow-y:auto}.nav-section{margin-bottom:var(--spacing-6)}.nav-section-title{font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--spacing-2);padding:0 var(--spacing-2)}.nav-item{display:flex;align-items:center;gap:var(--spacing-3);padding:var(--spacing-2) var(--spacing-3);border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);transition:all var(--transition-fast);cursor:pointer;margin-bottom:var(--spacing-1)}.nav-item:hover{background-color:var(--color-bg-tertiary);color:var(--color-text-primary)}.nav-item.active{background-color:var(--color-accent-light);color:var(--color-accent)}.nav-item svg{width:20px;height:20px}.sidebar-footer{padding:var(--spacing-4);border-top:1px solid var(--color-border)}.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh}.page-header{padding:var(--spacing-6);border-bottom:1px solid var(--color-border);background-color:var(--color-bg-secondary)}.page-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-semibold);margin-bottom:var(--spacing-1)}.page-subtitle{color:var(--color-text-secondary)}.page-content{padding:var(--spacing-6)}.grid{display:grid;gap:var(--spacing-4)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media(max-width:1024px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.sidebar{transform:translate(-100%)}.main-content{margin-left:0}}.badge{display:inline-flex;align-items:center;padding:var(--spacing-1) var(--spacing-2);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);border-radius:var(--radius-sm);background-color:var(--color-bg-tertiary);color:var(--color-text-secondary)}.badge-success{background-color:var(--color-success-bg);color:var(--color-success)}.badge-warning{background-color:var(--color-warning-bg);color:var(--color-warning)}.badge-error{background-color:var(--color-error-bg);color:var(--color-error)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:var(--spacing-2)}.gap-3{gap:var(--spacing-3)}.gap-4{gap:var(--spacing-4)}.mt-2{margin-top:var(--spacing-2)}.mt-4{margin-top:var(--spacing-4)}.mb-2{margin-bottom:var(--spacing-2)}.mb-4{margin-bottom:var(--spacing-4)}.text-center{text-align:center}.w-full{width:100%}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn var(--transition-normal) ease}.animate-slide-up{animation:slideUp var(--transition-normal) ease}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-tertiary)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}