:root{color-scheme:light;--paper: #f4f0e8;--paper-soft: #ebe6dc;--paper-raised: #fffdf8;--paper-inset: #e6e1d7;--ink: #172126;--ink-soft: #526066;--ink-faint: #7b8587;--ink-inverse: #fffaf0;--copper: #c95d32;--copper-strong: #9e4023;--copper-soft: #f5ddd1;--orange: #e8793e;--teal: #147d78;--teal-strong: #0a5e5b;--teal-soft: #d8eeea;--scope-green: #2fbf82;--scope-green-soft: #d9f3e7;--blue: #3979a8;--violet: #795ea7;--green: #2f9f70;--amber: #d59227;--amber-soft: #f8e9c8;--danger: #bf4a42;--danger-soft: #f6dedb;--border: #d8d1c5;--border-strong: #bdb5a8;--border-subtle: #e8e2d8;--overlay: rgb(18 27 32 / 58%);--header-bg: rgb(244 240 232 / 88%);--shadow-color: 28 38 42;--shadow-sm: 0 1px 2px rgb(var(--shadow-color) / 7%), 0 4px 14px rgb(var(--shadow-color) / 5%);--shadow-md: 0 2px 6px rgb(var(--shadow-color) / 7%), 0 18px 44px rgb(var(--shadow-color) / 10%);--shadow-lg: 0 8px 24px rgb(var(--shadow-color) / 12%), 0 34px 80px rgb(var(--shadow-color) / 17%);--font-sans: "Segoe UI Variable", "Inter", "Aptos", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;--font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;--font-mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;--radius-xs: 6px;--radius-sm: 10px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--page-width: 1240px;--page-gutter: clamp(20px, 4vw, 56px);--header-height: 72px;--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-standard: cubic-bezier(.2, 0, 0, 1);--duration-fast: .14s;--duration-base: .24s;--bg: var(--paper);--surface: var(--paper-raised);--surface-2: var(--paper-soft);--surface-muted: var(--paper-soft);--text: var(--ink);--muted: var(--ink-soft);--accent: var(--copper);--accent-hover: var(--copper-strong);--accent-soft: var(--copper-soft);--success: var(--scope-green);--warning: var(--amber);--line: var(--border);--line-strong: var(--border-strong);--shadow-soft: var(--shadow-sm);--shadow-medium: var(--shadow-md);--font-ui: var(--font-sans)}:root[data-theme=dark]{color-scheme:dark;--paper: #0c1824;--paper-soft: #102130;--paper-raised: #142838;--paper-inset: #09141f;--ink: #f2eee6;--ink-soft: #acb9bc;--ink-faint: #7f9299;--ink-inverse: #111d24;--copper: #ef8150;--copper-strong: #ff9a69;--copper-soft: #43281f;--orange: #ff965d;--teal: #43b9b1;--teal-strong: #6dd4cd;--teal-soft: #153c3e;--scope-green: #56d89a;--scope-green-soft: #173c31;--blue: #6aa9d3;--violet: #ad91dc;--green: #56d89a;--amber: #efb64c;--amber-soft: #45351c;--danger: #f17b71;--danger-soft: #482724;--border: #2c4150;--border-strong: #49606d;--border-subtle: #203542;--overlay: rgb(3 10 16 / 72%);--header-bg: rgb(12 24 36 / 88%);--shadow-color: 0 6 12;--shadow-sm: 0 1px 2px rgb(var(--shadow-color) / 22%), 0 5px 18px rgb(var(--shadow-color) / 18%);--shadow-md: 0 4px 12px rgb(var(--shadow-color) / 24%), 0 20px 50px rgb(var(--shadow-color) / 28%);--shadow-lg: 0 10px 30px rgb(var(--shadow-color) / 32%), 0 38px 90px rgb(var(--shadow-color) / 38%)}*,*:before,*:after{box-sizing:border-box}html{min-width:320px;min-height:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 24px);background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-width:320px;min-height:100vh;margin:0;overflow-x:clip;background:radial-gradient(circle at 10% -10%,color-mix(in srgb,var(--teal-soft) 44%,transparent),transparent 31rem),radial-gradient(circle at 100% 12%,color-mix(in srgb,var(--copper-soft) 34%,transparent),transparent 27rem),var(--paper);color:var(--ink);font-size:16px;line-height:1.6}body.modal-open{overflow:hidden}#root{min-height:100vh}::selection{background:color-mix(in srgb,var(--teal) 28%,transparent);color:var(--ink)}:where(h1,h2,h3,h4,p,figure,blockquote,dl,dd){margin:0}:where(ul,ol){margin-block:0}:where(h1,h2,h3,h4){color:var(--ink);font-family:var(--font-sans);line-height:1.08;text-wrap:balance}h1{font-size:clamp(2.65rem,6vw,5.8rem);font-weight:720;letter-spacing:-.055em}h2{font-size:clamp(2rem,4vw,3.6rem);font-weight:700;letter-spacing:-.04em}h3{font-size:clamp(1.1rem,2vw,1.4rem);font-weight:680;letter-spacing:-.02em}:where(h1,h2) em{color:var(--copper);font-family:var(--font-display);font-weight:500;letter-spacing:-.035em}a{color:inherit;text-decoration:none}button,input,select,textarea{margin:0;color:inherit;font:inherit}button,select{cursor:pointer}button{padding:0;border:0;background:none}button:disabled,input:disabled,select:disabled{cursor:not-allowed;opacity:.55}img,picture,video,canvas,svg{display:block;max-width:100%}svg{flex:0 0 auto}table{border-collapse:collapse;border-spacing:0}code,kbd,samp{font-family:var(--font-mono)}kbd{display:inline-grid;min-width:1.65em;min-height:1.55em;place-items:center;padding:.08em .42em;border:1px solid var(--border);border-bottom-color:var(--border-strong);border-radius:5px;background:var(--paper-soft);box-shadow:0 1px 0 var(--border-strong);color:var(--ink-soft);font-size:.72em;font-weight:650;line-height:1.25;white-space:nowrap}:where(a,button,input,select,textarea,[tabindex]):focus-visible{outline:3px solid color-mix(in srgb,var(--teal) 55%,transparent);outline-offset:3px}input::placeholder,textarea::placeholder{color:var(--ink-faint);opacity:1}input[type=range]{width:100%;height:24px;padding:0;border:0;appearance:none;background:transparent;accent-color:var(--copper)}input[type=range]::-webkit-slider-runnable-track{height:5px;border:1px solid color-mix(in srgb,var(--border-strong) 72%,transparent);border-radius:999px;background:linear-gradient(90deg,var(--copper-soft),var(--teal-soft))}input[type=range]::-moz-range-track{height:5px;border:1px solid color-mix(in srgb,var(--border-strong) 72%,transparent);border-radius:999px;background:linear-gradient(90deg,var(--copper-soft),var(--teal-soft))}input[type=range]::-webkit-slider-thumb{width:18px;height:18px;margin-top:-7.5px;border:3px solid var(--paper-raised);border-radius:50%;appearance:none;background:var(--copper);box-shadow:0 0 0 1px var(--copper-strong),var(--shadow-sm);transition:scale var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}input[type=range]::-moz-range-thumb{width:14px;height:14px;border:3px solid var(--paper-raised);border-radius:50%;background:var(--copper);box-shadow:0 0 0 1px var(--copper-strong),var(--shadow-sm);transition:scale var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}input[type=range]:hover::-webkit-slider-thumb{scale:1.12;box-shadow:0 0 0 4px var(--copper-soft),var(--shadow-sm)}input[type=range]:hover::-moz-range-thumb{scale:1.12;box-shadow:0 0 0 4px var(--copper-soft),var(--shadow-sm)}.page-width{width:min(100% - (var(--page-gutter) * 2),var(--page-width));margin-inline:auto}.button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:10px;padding:.72rem 1.15rem;border:1px solid transparent;border-radius:var(--radius-sm);font-size:.91rem;font-weight:700;line-height:1;letter-spacing:-.01em;transition:translate var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-standard),background-color var(--duration-fast) var(--ease-standard),box-shadow var(--duration-fast) var(--ease-out)}.button:hover{translate:0 -2px}.button:active{translate:0 0}.button--primary{background:var(--copper);box-shadow:0 8px 22px color-mix(in srgb,var(--copper) 24%,transparent);color:#fffaf4}.button--primary:hover{background:var(--copper-strong);box-shadow:0 11px 28px color-mix(in srgb,var(--copper) 30%,transparent)}.button--secondary{border-color:var(--border);background:color-mix(in srgb,var(--paper-raised) 82%,transparent);box-shadow:var(--shadow-sm);color:var(--ink)}.button--secondary:hover{border-color:var(--border-strong);background:var(--paper-raised)}.button--light{border-color:#ffffff47;background:#fffaf2;box-shadow:0 12px 30px #00000024;color:#203036}.button--light:hover{background:#fff}.eyebrow-pill{display:inline-flex;align-items:center;gap:8px;width:max-content;padding:7px 11px;border:1px solid color-mix(in srgb,var(--copper) 26%,var(--border));border-radius:999px;background:color-mix(in srgb,var(--copper-soft) 58%,var(--paper-raised));color:var(--copper-strong);font-size:.71rem;font-weight:780;letter-spacing:.09em;line-height:1;text-transform:uppercase}.card-surface{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--paper-raised);box-shadow:var(--shadow-md)}@media(max-width:700px){:root{--page-gutter: 18px;--header-height: 64px}body{font-size:15px}h1{font-size:clamp(2.45rem,13vw,4rem)}h2{font-size:clamp(1.8rem,8vw,2.7rem)}.button{min-height:46px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.app-shell{position:relative;isolation:isolate;display:flex;min-height:100vh;flex-direction:column}.app-shell>main{flex:1 0 auto;width:100%}.app-header{position:sticky;z-index:100;top:0;border-bottom:1px solid color-mix(in srgb,var(--border) 82%,transparent);background:var(--header-bg);box-shadow:0 1px rgb(var(--shadow-color) / 3%);backdrop-filter:blur(18px) saturate(145%);-webkit-backdrop-filter:blur(18px) saturate(145%)}.app-header:after{position:absolute;right:0;bottom:-1px;left:0;height:1px;background:linear-gradient(90deg,transparent 4%,color-mix(in srgb,var(--copper) 35%,transparent) 35%,color-mix(in srgb,var(--teal) 30%,transparent) 66%,transparent 96%);content:"";pointer-events:none}.header-inner{display:flex;width:min(100% - (var(--page-gutter) * 2),var(--page-width));height:var(--header-height);align-items:center;gap:clamp(20px,3vw,44px);margin-inline:auto}.brand{display:inline-flex;flex:0 0 auto;align-items:center;gap:10px;min-width:max-content;border-radius:var(--radius-sm);line-height:1}.brand-mark{position:relative;display:inline-grid;width:38px;height:38px;flex:0 0 38px;place-items:center;overflow:hidden;border:1px solid color-mix(in srgb,var(--copper) 58%,var(--copper-strong));border-radius:11px;background:linear-gradient(145deg,color-mix(in srgb,var(--orange) 88%,white),var(--copper-strong));box-shadow:inset 0 1px #ffffff47,0 6px 16px color-mix(in srgb,var(--copper) 23%,transparent);color:#fffaf3}.brand-mark:before,.brand-mark:after{position:absolute;width:12px;height:1px;background:#ffffff6b;content:""}.brand-mark:before{top:7px;right:-4px}.brand-mark:after{bottom:7px;left:-4px}.brand-mark svg{position:relative;z-index:1}.brand-name{color:var(--ink);font-size:1.18rem;font-weight:800;letter-spacing:-.045em}.brand-caption{margin-left:-2px;color:var(--ink-faint);font-size:.64rem;font-weight:750;letter-spacing:.12em;text-transform:uppercase}.desktop-nav{display:flex;align-items:center;gap:3px}.desktop-nav a{position:relative;display:inline-flex;min-height:40px;align-items:center;gap:7px;padding:0 11px;border-radius:9px;color:var(--ink-soft);font-size:.84rem;font-weight:650;white-space:nowrap;transition:color var(--duration-fast) var(--ease-standard),background-color var(--duration-fast) var(--ease-standard)}.desktop-nav a:after{position:absolute;right:11px;bottom:4px;left:11px;height:2px;border-radius:999px;background:var(--copper);content:"";opacity:0;scale:.45 1;transition:opacity var(--duration-fast) var(--ease-standard),scale var(--duration-base) var(--ease-out)}.desktop-nav a:hover{background:color-mix(in srgb,var(--paper-soft) 70%,transparent);color:var(--ink)}.desktop-nav a.is-active{background:color-mix(in srgb,var(--copper-soft) 58%,transparent);color:var(--copper-strong)}.desktop-nav a.is-active:after{opacity:1;scale:1}.header-tools{display:flex;align-items:center;gap:8px;margin-left:auto}.search-trigger,.header-icon,.progress-chip{border:1px solid var(--border);background:color-mix(in srgb,var(--paper-raised) 74%,transparent);box-shadow:0 1px 1px rgb(var(--shadow-color) / 3%);color:var(--ink-soft);transition:border-color var(--duration-fast) var(--ease-standard),background-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),translate var(--duration-fast) var(--ease-out)}.search-trigger:hover,.header-icon:hover,.progress-chip:hover{border-color:var(--border-strong);background:var(--paper-raised);color:var(--ink);translate:0 -1px}.search-trigger{display:inline-flex;min-width:178px;height:38px;align-items:center;gap:8px;padding:0 7px 0 11px;border-radius:10px;font-size:.78rem;font-weight:600}.search-trigger span{margin-right:auto}.search-trigger kbd{background:color-mix(in srgb,var(--paper-soft) 80%,transparent);font-size:.62rem}.progress-chip{display:inline-flex;height:38px;align-items:center;gap:6px;padding:0 9px 0 5px;border-radius:10px}.progress-chip small{color:var(--ink-faint);font-size:.67rem;font-weight:650;white-space:nowrap}.progress-ring{display:inline-grid;width:29px;height:29px;place-items:center;border-radius:50%;background:radial-gradient(circle,var(--paper-raised) 54%,transparent 57%),conic-gradient(var(--teal) var(--progress),color-mix(in srgb,var(--border) 72%,transparent) 0);color:var(--ink);font-size:.61rem;font-weight:800;line-height:1}.header-icon{display:inline-grid;width:38px;height:38px;flex:0 0 38px;place-items:center;border-radius:10px}.locale-switch{display:inline-flex;height:38px;align-items:center;padding:3px;border:1px solid var(--border);border-radius:10px;background:color-mix(in srgb,var(--paper-raised) 74%,transparent)}.locale-switch a{min-width:29px;height:30px;display:grid;place-items:center;border-radius:7px;color:var(--ink-faint);font-size:9px;font-weight:800}.locale-switch a.is-active{color:var(--ink-inverse);background:var(--ink)}.mobile-menu-toggle{display:none}.mobile-nav{position:absolute;top:calc(100% + 10px);right:var(--page-gutter);display:grid;width:min(320px,calc(100vw - (var(--page-gutter) * 2)));gap:5px;padding:9px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--paper-raised);box-shadow:var(--shadow-lg);animation:mobile-menu-in var(--duration-base) var(--ease-out) both}.mobile-nav a,.mobile-nav button{display:flex;width:100%;min-height:46px;align-items:center;gap:11px;padding:0 13px;border-radius:9px;color:var(--ink-soft);font-size:.9rem;font-weight:680;text-align:left;transition:background-color var(--duration-fast),color var(--duration-fast)}.mobile-nav a:hover,.mobile-nav button:hover{background:var(--paper-soft);color:var(--ink)}.mobile-nav button{border-bottom:1px solid var(--border-subtle);color:var(--copper-strong)}@keyframes mobile-menu-in{0%{opacity:0;transform:translateY(-8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.search-backdrop{position:fixed;z-index:1000;inset:0;display:grid;align-items:start;justify-items:center;overflow-y:auto;padding:clamp(72px,11vh,132px) var(--page-gutter) 32px;background:var(--overlay);backdrop-filter:blur(8px) saturate(90%);-webkit-backdrop-filter:blur(8px) saturate(90%);animation:search-backdrop-in .18s var(--ease-standard) both}.search-dialog{display:flex;width:min(720px,100%);max-height:min(680px,calc(100vh - 144px));flex-direction:column;overflow:hidden;border:1px solid var(--border-strong);border-radius:22px;background:var(--paper-raised);box-shadow:var(--shadow-lg);animation:search-dialog-in .24s var(--ease-out) both}.search-dialog__input{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;min-height:68px;padding:11px 13px 11px 20px;border-bottom:1px solid var(--border);color:var(--teal)}.search-dialog__input input{min-width:0;height:44px;padding:0;border:0;outline:0;background:transparent;color:var(--ink);font-size:1.02rem;font-weight:570}.search-dialog__input button{display:inline-grid;width:38px;height:38px;place-items:center;border:1px solid transparent;border-radius:9px;color:var(--ink-faint);transition:border-color var(--duration-fast),background-color var(--duration-fast),color var(--duration-fast)}.search-dialog__input button:hover{border-color:var(--border);background:var(--paper-soft);color:var(--ink)}.search-dialog__body{min-height:200px;overflow-y:auto;overscroll-behavior:contain;padding:13px;scrollbar-color:var(--border-strong) transparent;scrollbar-width:thin}.search-caption{display:block;padding:7px 9px 10px;color:var(--ink-faint);font-size:.67rem;font-weight:780;letter-spacing:.11em;line-height:1;text-transform:uppercase}.search-dialog__body>a{display:grid;grid-template-columns:45px minmax(0,1fr) auto;align-items:center;gap:13px;min-height:66px;padding:9px 11px;border:1px solid transparent;border-radius:12px;transition:border-color var(--duration-fast) var(--ease-standard),background-color var(--duration-fast) var(--ease-standard),translate var(--duration-fast) var(--ease-out)}.search-dialog__body>a:hover,.search-dialog__body>a:focus-visible,.search-dialog__body>a.is-active{border-color:color-mix(in srgb,var(--teal) 30%,var(--border));background:color-mix(in srgb,var(--teal-soft) 48%,transparent);translate:3px 0}.search-dialog__body>a>svg{color:var(--ink-faint);transition:color var(--duration-fast),translate var(--duration-fast) var(--ease-out)}.search-dialog__body>a:hover>svg,.search-dialog__body>a.is-active>svg{color:var(--teal);translate:2px 0}.search-result__number{display:inline-grid;width:42px;height:36px;place-items:center;border:1px solid color-mix(in srgb,var(--copper) 25%,var(--border));border-radius:9px;background:color-mix(in srgb,var(--copper-soft) 58%,transparent);color:var(--copper-strong);font-family:var(--font-mono);font-size:.72rem;font-weight:780}.search-dialog__body>a>span:nth-child(2){display:grid;min-width:0;gap:2px}.search-dialog__body strong{overflow:hidden;color:var(--ink);font-size:.88rem;font-weight:720;line-height:1.3;text-overflow:ellipsis;white-space:nowrap}.search-dialog__body small{overflow:hidden;color:var(--ink-faint);font-size:.72rem;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.search-empty{display:grid;min-height:210px;place-items:center;padding:36px;color:var(--ink-soft);font-size:.88rem;text-align:center}.search-dialog>footer{display:flex;min-height:46px;align-items:center;gap:18px;padding:8px 18px;border-top:1px solid var(--border);background:color-mix(in srgb,var(--paper-soft) 68%,var(--paper-raised));color:var(--ink-faint);font-size:.68rem}.search-dialog>footer span{display:inline-flex;align-items:center;gap:6px}.search-dialog>footer span:last-child{margin-left:auto}@keyframes search-backdrop-in{0%{opacity:0}to{opacity:1}}@keyframes search-dialog-in{0%{opacity:0;transform:translateY(-12px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}.hero-circuit{--circuit-bg: #102630;--circuit-panel: #0c1d26;--circuit-line: #86a6a6;--circuit-grid-dot: #90aaab;--circuit-current: #59e3a3;--circuit-led: #4ee69a;--circuit-amber: #f0aa43;align-self:center;width:min(100%,620px);overflow:hidden;padding:clamp(16px,2.2vw,24px);box-shadow:var(--shadow-lg)}:root[data-theme=dark] .hero-circuit{--circuit-bg: #071923;--circuit-panel: #06131b;--circuit-line: #6d9498;--circuit-grid-dot: #71989b}.live-card__header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:16px}.live-card__header>div:first-child{display:grid;gap:6px}.live-card__header h2{font-size:clamp(1.3rem,2.4vw,1.75rem);letter-spacing:-.035em}.live-label{display:inline-flex;align-items:center;gap:7px;color:var(--teal);font-size:.65rem;font-weight:800;letter-spacing:.12em;line-height:1;text-transform:uppercase}.live-label i{position:relative;width:7px;height:7px;border-radius:50%;background:var(--scope-green);box-shadow:0 0 0 4px var(--scope-green-soft)}.live-label i:after{position:absolute;inset:-4px;border:1px solid var(--scope-green);border-radius:inherit;content:"";animation:live-pulse 2.2s ease-out infinite}.lab-icon-buttons{display:flex;gap:7px}.lab-icon-buttons button{display:inline-grid;width:36px;height:36px;place-items:center;border:1px solid var(--border);border-radius:9px;background:var(--paper-soft);color:var(--ink-soft);transition:border-color var(--duration-fast),background-color var(--duration-fast),color var(--duration-fast),transform var(--duration-fast) var(--ease-out)}.lab-icon-buttons button:hover{border-color:color-mix(in srgb,var(--teal) 42%,var(--border));background:var(--teal-soft);color:var(--teal-strong);transform:translateY(-1px)}.circuit-canvas{position:relative;overflow:hidden;border:1px solid color-mix(in srgb,var(--teal) 26%,#2b4751);border-radius:18px;background:radial-gradient(circle at 52% 34%,rgb(61 172 148 / 10%),transparent 45%),linear-gradient(150deg,var(--circuit-bg),var(--circuit-panel));box-shadow:inset 0 1px #ffffff0a,inset 0 -24px 60px #00000026;color:var(--circuit-grid-dot)}.circuit-canvas:after{position:absolute;inset:0;border-radius:inherit;background:linear-gradient(115deg,transparent 10%,rgb(255 255 255 / 3%) 40%,transparent 60%);content:"";pointer-events:none}.circuit-canvas svg{width:100%;height:auto;min-height:280px}.circuit-canvas .wire,.circuit-canvas .current-path,.battery-symbol line,.resistor-symbol path,.led-symbol>path,.led-symbol line{fill:none;stroke-linecap:round;stroke-linejoin:round}.circuit-canvas .wire{stroke:var(--circuit-line);stroke-width:3}.circuit-canvas .current-path{stroke:var(--circuit-current);stroke-dasharray:1.5 7;stroke-dashoffset:0;stroke-width:4;opacity:0;filter:drop-shadow(0 0 4px rgb(89 227 163 / 70%))}.circuit-canvas .current-path.is-running{opacity:.92;animation:circuit-current linear infinite}.battery-symbol line{stroke:var(--circuit-amber);stroke-width:4}.battery-symbol text,.resistor-symbol text,.led-symbol text,.meter-chip 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