:root{color-scheme:light dark;--font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--color-bg: #f7f8fa;--color-bg-elevated: #ffffff;--color-bg-subtle: #eef0f4;--color-fg: #0f172a;--color-fg-muted: #475569;--color-fg-subtle: #64748b;--color-border: #e2e8f0;--color-border-strong: #cbd5e1;--color-accent: #4f46e5;--color-accent-hover: #4338ca;--color-accent-fg: #ffffff;--color-accent-soft: #eef2ff;--color-success: #10b981;--color-success-soft: #ecfdf5;--color-warning: #f59e0b;--color-danger: #ef4444;--color-danger-soft: #fef2f2;--color-cat-audio: #6366f1;--color-cat-audio-soft: #eef2ff;--color-cat-wearable: #ec4899;--color-cat-wearable-soft: #fdf2f8;--color-cat-home: #14b8a6;--color-cat-home-soft: #ecfeff;--color-cat-office: #f59e0b;--color-cat-office-soft: #fff7ed;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-7: 3rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 4px 6px -1px rgba(15, 23, 42, .08), 0 2px 4px -2px rgba(15, 23, 42, .06);--shadow-lg: 0 12px 24px -8px rgba(15, 23, 42, .18), 0 4px 8px -4px rgba(15, 23, 42, .08);--content-max: 72rem;--header-height: 64px}@media(prefers-color-scheme:dark){:root{--color-bg: #0b1020;--color-bg-elevated: #11172a;--color-bg-subtle: #1a2238;--color-fg: #e2e8f0;--color-fg-muted: #94a3b8;--color-fg-subtle: #64748b;--color-border: #1e2a44;--color-border-strong: #2a3a5c;--color-accent: #818cf8;--color-accent-hover: #a5b4fc;--color-accent-fg: #0b1020;--color-accent-soft: #1c2444;--color-success: #34d399;--color-success-soft: #082f23;--color-warning: #fbbf24;--color-danger: #f87171;--color-danger-soft: #2c1414;--color-cat-audio: #a5b4fc;--color-cat-audio-soft: #1c2444;--color-cat-wearable: #f9a8d4;--color-cat-wearable-soft: #2c1626;--color-cat-home: #5eead4;--color-cat-home-soft: #0a2a2a;--color-cat-office: #fcd34d;--color-cat-office-soft: #2a1f0a;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .5), 0 2px 4px -2px rgba(0, 0, 0, .4);--shadow-lg: 0 12px 24px -8px rgba(0, 0, 0, .6), 0 4px 8px -4px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-fg);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{margin:0 0 var(--space-3);font-weight:650;letter-spacing:-.01em;color:var(--color-fg)}h1{font-size:clamp(1.75rem,1.2rem + 1.6vw,2.4rem);line-height:1.15}h2{font-size:1.35rem}h3{font-size:1.1rem}p{margin:0 0 var(--space-3);color:var(--color-fg-muted)}a{color:var(--color-accent);text-decoration:none;transition:color .15s ease}a:hover{color:var(--color-accent-hover);text-decoration:underline;text-underline-offset:3px}code{font-family:var(--font-mono);font-size:.875em;background:var(--color-bg-subtle);color:var(--color-fg);padding:.1em .4em;border-radius:var(--radius-sm);border:1px solid var(--color-border)}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;background:var(--color-accent);color:var(--color-accent-fg);border:1px solid transparent;padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);font-weight:600;transition:background-color .15s ease,box-shadow .15s ease,transform .05s ease}button:hover:not(:disabled){background:var(--color-accent-hover)}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.55;cursor:not-allowed}button.secondary,button[type=button].ghost{background:var(--color-bg-elevated);color:var(--color-fg);border-color:var(--color-border-strong)}button.secondary:hover:not(:disabled),button[type=button].ghost:hover:not(:disabled){background:var(--color-bg-subtle)}input[type=text],input[type=email],input[type=number],select,textarea{width:100%;padding:var(--space-2) var(--space-3);background:var(--color-bg-elevated);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);transition:border-color .15s ease,box-shadow .15s ease}input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-soft)}textarea{resize:vertical;min-height:6rem}label{display:flex;flex-direction:column;gap:var(--space-1);font-size:.875rem;font-weight:600;color:var(--color-fg)}ul{margin:0;padding:0}main{display:block;flex:1;width:100%;max-width:var(--content-max);margin:0 auto;padding:var(--space-6) var(--space-5) var(--space-7)}@media(max-width:640px){main{padding:var(--space-5) var(--space-4) var(--space-6)}}.surface{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.shimmer{position:relative;overflow:hidden;isolation:isolate}.shimmer:after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.18) 50%,transparent 70%);transform:translate(-100%);animation:shimmer-sweep 2.4s ease-in-out infinite;pointer-events:none}@media(prefers-reduced-motion:reduce){.shimmer:after{animation:none}}@keyframes shimmer-sweep{to{transform:translate(100%)}}.badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:.15em .6em;font-size:.75rem;font-weight:600;border-radius:var(--radius-pill);background:var(--color-bg-subtle);color:var(--color-fg-muted);border:1px solid var(--color-border);text-transform:capitalize;letter-spacing:.02em}.badge--accent{background:var(--color-accent-soft);color:var(--color-accent);border-color:transparent}.badge--success{background:var(--color-success-soft);color:var(--color-success);border-color:transparent}.badge--danger{background:var(--color-danger-soft);color:var(--color-danger);border-color:transparent}.skip-link{position:absolute;left:var(--space-3);top:var(--space-3);background:var(--color-fg);color:var(--color-bg);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);transform:translateY(-150%);transition:transform .2s ease;z-index:100}.skip-link:focus{transform:translateY(0)}