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--tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}:root{--canvas:oklch(.954 .005 80);--surface:oklch(.985 .003 80);--surface-raised:oklch(.971 .004 80);--surface-hover:oklch(.944 .006 75);--board-canvas:oklch(.952 .005 80);--editor:oklch(.994 .002 80);--gutter:oklch(.971 .004 80);--text:oklch(.245 .008 70);--text-secondary:oklch(.455 .008 70);--text-muted:oklch(.5 .008 70);--code-text:oklch(.29 .012 70);--border:oklch(.9 .005 80);--control:oklch(.994 .002 80);--control-border:oklch(.865 .006 80);--accent:oklch(.61 .17 34);--accent-hover:oklch(.56 .16 34);--accent-soft:oklch(.955 .024 40);--accent-text:oklch(.435 .125 34);--accent-border:oklch(.83 .05 40);--on-accent:oklch(.992 .003 80);--focus:oklch(.51 .16 34);--selection:oklch(.9 .044 40);--success:oklch(.45 .1 160);--success-surface:oklch(.952 .025 160);--success-hover:oklch(.926 .039 160);--success-text:oklch(.34 .075 160);--success-border:oklch(.8 .055 160);--warning:oklch(.43 .09 75);--warning-surface:oklch(.97 .028 82);--warning-border:oklch(.83 .065 78);--error:oklch(.47 .165 25);--background:var(--canvas);--foreground:var(--text);--card:var(--surface);--card-foreground:var(--text);--popover:var(--control);--popover-foreground:var(--text);--primary:oklch(.235 .007 70);--primary-foreground:oklch(.992 .003 80);--secondary:var(--surface-raised);--secondary-foreground:var(--text);--muted:var(--surface-raised);--muted-foreground:var(--text-secondary);--accent-foreground:var(--accent-text);--destructive:var(--error);--input:var(--control-border);--ring:var(--focus);--radius:1rem;--code-background:var(--editor);--chart-1:var(--accent);--chart-2:oklch(.55 .095 250);--chart-3:oklch(.57 .09 160);--chart-4:oklch(.57 .1 310);--chart-5:oklch(.62 .1 80);--sidebar:var(--surface);--sidebar-foreground:var(--text);--sidebar-primary:var(--primary);--sidebar-primary-foreground:var(--primary-foreground);--sidebar-accent:var(--surface-raised);--sidebar-accent-foreground:var(--text);--sidebar-border:var(--border);--sidebar-ring:var(--focus);--c-keyword:oklch(.405 .1 260);--c-comment:oklch(.445 .045 145);--c-string:oklch(.435 .12 35);--c-number:oklch(.435 .11 310);--c-preprocessor:oklch(.435 .1 300);--c-register:oklch(.405 .065 195);--c-constant:oklch(.425 .085 70);--panel-shadow:0 1px 2px oklch(.3 .012 70 / .025),0 6px 24px oklch(.3 .012 70 / .035);--control-shadow:0 1px 2px oklch(.3 .012 70 / .045);color-scheme:light;color:var(--text);background:var(--canvas);scrollbar-color:oklch(.74 .008 80) var(--surface-raised)}body{background:var(--canvas);color:var(--text)}.app-shell{color:var(--text)}.app-header{border-bottom-color:transparent}.app-header h1{font-weight:650;letter-spacing:-.4px}.app-header h1 span{color:var(--text-secondary);font-weight:400}.chip-logo{border-color:var(--accent-border);border-radius:50%;background:var(--accent-soft);color:var(--accent-text)}.screen-nav a{border-radius:999px;color:var(--text-secondary)}.screen-nav a:hover{background:var(--surface);color:var(--text)}.screen-nav a[aria-current=page]{background:var(--primary);color:var(--primary-foreground);border-color:var(--primary);box-shadow:var(--control-shadow)}.engine-state{border-radius:999px;border-color:var(--border);background:var(--surface);box-shadow:var(--control-shadow);color:var(--text-secondary)}.engine-state:has(.dot.green){background:var(--success-surface);border-color:var(--success-border);color:var(--success-text)}.dot.green{background:var(--success)}.dot.red{background:var(--error)}.panel{border-color:color-mix(in oklch,var(--border),var(--surface) 45%);border-radius:16px;box-shadow:var(--panel-shadow);background:var(--surface)}.panel-heading h2,.board-explorer-3d :is(h2,h3){font-weight:650;letter-spacing:-.2px}.board-toolbar,.editor-toolbar,.starter-templates{background:var(--surface);border-color:var(--border)}.board-scroll{background:var(--board-canvas)}.board{--focus:oklch(.91 .1 85)}.board-sidebar,.pots{background:var(--surface)}.code-editor-shell{border-color:var(--border)}.line-number-gutter{background:var(--gutter);color:var(--text-muted);border-color:var(--border)}.editor-help{color:var(--text-muted)}.diagnostics{border-color:var(--border);border-radius:10px;background:var(--surface-raised);box-shadow:none}.warning{color:var(--warning);background:var(--warning-surface);border-color:var(--warning-border);border-radius:10px}.app-shell :is(button,select),.board-explorer-3d :is(button,select){border-radius:10px;border-color:var(--control-border);background:var(--control);color:var(--text);box-shadow:var(--control-shadow);transition:background-color .14s ease-out,border-color .14s ease-out,color .14s ease-out,box-shadow .14s ease-out}.app-shell :is(button,select):hover:not(:disabled),.board-explorer-3d button:hover:not(:disabled){background:var(--surface-hover);border-color:#b2ada7}.app-shell button:active:not(:disabled){background:var(--surface-raised);box-shadow:inset 0 1px 2px #322d2712}.app-shell :is(button,select):disabled{opacity:.48;box-shadow:none}.app-shell :is(button,select,input,a):focus-visible{outline:2px solid var(--focus);outline-offset:3px}.app-shell input:not([type=range]):not([type=checkbox]):not([type=file]){border:1px solid var(--control-border);border-radius:9px;background:var(--control);color:var(--text);box-shadow:inset 0 1px 2px #322d2706}.app-shell input::placeholder{color:var(--text-muted);opacity:1}.app-shell input[type=range],.app-shell progress{accent-color:var(--accent)}.app-shell .compile,.app-shell .run,.board-explorer-3d .be3d-connect{background:var(--primary);color:var(--primary-foreground);border-color:var(--primary);border-radius:999px}.app-shell .compile:hover:not(:disabled),.app-shell .run:hover:not(:disabled),.board-explorer-3d .be3d-connect:hover:not(:disabled){background:#3b3733;color:var(--primary-foreground);border-color:#3b3733}.app-shell .compile:active:not(:disabled),.app-shell .run:active:not(:disabled){background:var(--primary);color:var(--primary-foreground)}.app-shell .cable-tags button{border-color:var(--accent-border);color:var(--accent-text);background:var(--accent-soft);border-radius:999px}.app-shell .wiring-primary,.app-shell .exercise-card[aria-pressed=true],.board-explorer-3d button[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent-border);color:var(--accent-text)}.app-shell .wiring-tabs [aria-selected=true]{background:var(--primary);color:var(--primary-foreground);border-color:var(--primary)}.app-shell .wiring-tabs [role=tab]{border-radius:999px}.app-shell .exercise-card{background:var(--surface);border-color:var(--border);border-radius:12px;box-shadow:var(--panel-shadow)}.app-shell .exercise-card:hover{background:var(--surface-raised);border-color:var(--control-border)}.app-shell .starter-templates select{background:var(--control);color:var(--text);border-color:var(--control-border)}.tutorial,.lab-update-notice{border-color:var(--accent-border);border-radius:12px;background:var(--accent-soft);color:var(--text)}.tutorial strong{color:var(--accent-text)}.app-footer{border-top-color:var(--border);color:var(--text-muted)}.app-footer a{color:var(--text-secondary)}.workspace a{color:var(--accent-text);text-underline-offset:3px;text-decoration-thickness:1px}.peripheral-panel.panel{border-radius:0;border-width:1px 0 0;border-color:var(--border);background:var(--surface);box-shadow:none}.peripheral-panel summary{color:var(--text);font-weight:600}.serial-output{background:var(--editor);border-color:var(--border);border-radius:10px;color:var(--code-text)}.buzzer-controls output[data-active=true]{color:var(--success)}.buzzer-panel strong{font-size:12px;font-weight:600}.register-grid div,.debugger-console pre,.memory-output{background:var(--editor);border-color:var(--border);border-radius:9px}.debugger-source{border:1px solid var(--accent-border);border-radius:9px;background:var(--accent-soft)}.split-divider:after{background:var(--control-border)}.board-explorer-3d{color:var(--text);background:var(--surface)}.board-explorer-3d :is(button,select){border-radius:10px}.board-explorer-3d .be3d-viewport{background:var(--board-canvas)}.board-explorer-3d .be3d-readings{background:var(--surface-raised)}.board-explorer-3d .be3d-exit{background:var(--control);color:var(--text);border-color:var(--control-border);border-radius:999px}.board-explorer-3d .be3d-detail h3 span{color:var(--accent-text)}.board-explorer-3d .be3d-digits strong,.board-explorer-3d .be3d-connection-message[role=alert]{color:var(--error)}.board-explorer-3d .be3d-leds [data-on=true]{background:var(--success-surface);border-color:var(--success-border);color:var(--success-text)}@media(prefers-reduced-motion:reduce){.app-shell :is(button,select,a),.board-explorer-3d :is(button,select){transition:none}}