:root{--brick-control: #3A8240;--brick-control-edge: #2A6130;--brick-pins: #94509A;--brick-pins-edge: #6E3A73;--brick-serial: #4B7096;--brick-serial-edge: #365472;--brick-variables: #A5562F;--brick-variables-edge: #7A3E20;--brick-logic: #1F7A8C;--brick-logic-edge: #155A68;--brick-math: #56657A;--brick-math-edge: #3E4A5B;--brick-start: #C0392B;--brick-start-edge: #8F2A20;--brick-maker: #7A3FA6;--brick-maker-edge: #572C77;--brick-label-text: #ffffff;--brick-dimple: rgba(0, 0, 0, .4);--brick-highlight: rgba(255, 255, 255, .28);--brick-field-bg: #ffffff;--brick-field-text: #222222;--brick-baseplate: #DAE3EE;--brick-baseplate-stud: #E9EFF6;--brick-baseplate-ring: #C3CFDD;--brick-toolbox-bg: #F4F7FB;--brick-insertion-marker: #ffffff;--brick-hint-ok: #2E9E4F;--brick-hint-bad: #D6453B;--brick-hint-bad-text: #ffffff;--brick-chrome-bg: #2b3a4d;--brick-chrome-text: #ffffff;--brick-code-bg: #1e2733;--brick-code-text: #cfe3ff}:root{--brick-page: #E7EDF4;--brick-panel: #FFFFFF;--brick-panel-border: #C4CFDB;--brick-ink: #1B2430;--brick-muted: #4D5B6C;--brick-accent: #FFD21F;--brick-accent-fg: #1B1B1B;--brick-chip: #E6ECF3;--brick-btn-line: #9FAFC2;--brick-btn-bg: #FFFFFF;--brick-sim-bg: #D3E0EE;--brick-ok-bg: #CFF5DC;--brick-ok-fg: #0E4A28;--brick-ok-dot: #1E9B54;--brick-off-bg: #E6ECF3;--brick-off-fg: #3F4D5F;--brick-off-dot: #7A8797;--brick-con-bg: #1F2A37;--brick-con-line: #34455A;--brick-con-ink: #F1F5F9;--brick-con-muted: #A9B8CA;--brick-overlay: rgba(27, 36, 48, .6);--brick-con-usb: #7FD6E8;--brick-con-error: #FFB4A9;--brick-sim-usb: #B6BDC8;--brick-sim-usb-inner: #8C95A3;--brick-sim-strip: #1B1F24;--brick-sim-chip: #1B1F24;--brick-sim-text: #DDEFEC;--brick-sim-led-off: #5B2A22;--brick-sim-led-on: #FF5A36;--brick-sim-led-edge: #0F2E2B;--brick-sim-glow: #FF5A36;--brick-sim-buzzer: #2A2F36;--brick-sim-buzzer-on: #FFD21F}html,body,#root{height:100%;margin:0}body{font-family:Inter,system-ui,sans-serif;background:var(--brick-page);color:var(--brick-ink);overflow-x:hidden}button,select,input{font-family:inherit}button{cursor:pointer}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.studio{height:100%;min-height:0;display:flex;flex-direction:column;box-sizing:border-box}.studio-header{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:10px 16px;background:var(--brick-panel);border-bottom:2px solid var(--brick-panel-border)}.brand{display:flex;align-items:center;gap:10px}.brand-name{font-family:Fredoka,Inter,sans-serif;font-weight:700;font-size:21px;letter-spacing:.02em}.logo-ink{fill:var(--brick-ink)}.logo-accent{fill:var(--brick-accent)}.logo-panel{fill:var(--brick-panel)}.project{display:flex;align-items:center;gap:8px;min-width:0}.sep{color:var(--brick-muted)}.project-name{font-weight:600;font-size:15px;color:var(--brick-ink);background:transparent;border:1px solid transparent;border-radius:8px;padding:6px 8px;width:16ch;max-width:100%;min-width:0}.project-name:hover{border-color:var(--brick-btn-line)}.chip{font-size:12px;color:var(--brick-muted);background:var(--brick-chip);border-radius:8px;padding:3px 8px}.board-picker select{min-height:44px;border:0;background:var(--brick-chip);color:var(--brick-ink);border-radius:8px;padding:0 12px;font-size:14px;font-weight:600}.file-actions{display:flex;gap:8px}.import-error{flex-basis:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;background:var(--brick-hint-bad);color:var(--brick-hint-bad-text);border-radius:8px;padding:8px 12px;font-size:13px;order:99}.notice{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:12px 16px 0;background:var(--brick-accent);color:var(--brick-accent-fg);border-radius:8px;padding:8px 12px;font-size:14px;font-weight:600}.dismiss{border:0;background:transparent;color:inherit;font-size:16px;font-weight:700;min-width:32px;min-height:32px;border-radius:6px}.chip-error{background:var(--brick-hint-bad);color:var(--brick-hint-bad-text)}.crash{max-width:480px;margin:15vh auto 0;padding:0 16px;text-align:center}.crash h1{font-family:Fredoka,Inter,sans-serif}.spacer{flex:1 1 0;min-width:0}.usb-pill{display:flex;align-items:center;gap:8px;border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600;background:var(--brick-off-bg);color:var(--brick-off-fg)}.usb-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--brick-off-dot)}.btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border:1px solid var(--brick-btn-line);background:var(--brick-btn-bg);color:var(--brick-ink);border-radius:8px;font-weight:600;font-size:14px}.btn-accent{border:0;background:var(--brick-accent);color:var(--brick-accent-fg);font-weight:700;padding:0 18px}.btn:disabled{opacity:.55;cursor:not-allowed}.icon-btn{width:44px;height:44px;flex:0 0 44px;border:1px solid var(--brick-btn-line);background:var(--brick-btn-bg);color:var(--brick-ink);border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0}:focus-visible{outline:3px solid var(--brick-ink);outline-offset:2px}.studio-body{flex:1 1 0;min-height:0;display:flex;gap:16px;padding:16px}.workspace-area{flex:1 1 0;min-width:0;min-height:0;display:flex;border-radius:12px;overflow:hidden;border:2px solid var(--brick-panel-border);background:var(--brick-baseplate)}.brick-workspace{flex:1;position:relative;min-width:0}.right-panel{position:relative;flex:0 1 420px;min-width:0;overflow:hidden;display:flex;flex-direction:column;transition:flex .38s cubic-bezier(.4,0,.2,1)}.right-panel.is-closed{flex:0 0 60px}.panel-content{flex:1 1 auto;width:100%;min-width:min(420px,calc(100vw - 32px));min-height:0;box-sizing:border-box;display:flex;flex-direction:column;gap:16px;overflow-y:auto;transform:translate(0);opacity:1;visibility:visible;transition:transform .38s cubic-bezier(.4,0,.2,1),opacity .28s ease,visibility 0s linear 0s}.is-closed .panel-content{transform:translate(100%);opacity:0;visibility:hidden;transition:transform .38s cubic-bezier(.4,0,.2,1),opacity .28s ease,visibility 0s linear .38s}.rail{position:absolute;top:0;right:0;bottom:0;width:60px;box-sizing:border-box;display:flex;flex-direction:column;align-items:center;gap:16px;padding:8px 0 16px;background:var(--brick-panel);border:2px solid var(--brick-panel-border);border-radius:12px;opacity:0;visibility:hidden;transition:opacity .25s ease 0s,visibility 0s linear .25s}.is-closed .rail{opacity:1;visibility:visible;transition:opacity .25s ease .2s,visibility 0s linear 0s}.rail-label{writing-mode:vertical-rl;font-family:Fredoka,Inter,sans-serif;font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--brick-muted)}.card{background:var(--brick-panel);border:2px solid var(--brick-panel-border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:12px}.card-head{display:flex;align-items:center;justify-content:space-between}.card h2{margin:0;font-family:Fredoka,Inter,sans-serif;font-size:18px;font-weight:700;letter-spacing:.02em}.card-head .icon-btn{margin:-6px -6px -6px 0}.placeholder{border-radius:8px;padding:24px 16px;text-align:center;font-size:13px;color:var(--brick-muted)}.sim-placeholder{background:var(--brick-sim-bg);min-height:160px;display:flex;align-items:center;justify-content:center}.card{flex-shrink:0}.mode-card{background:var(--brick-panel)}.mode-head{gap:8px}.mode-tabs{flex:1;border-bottom:2px solid var(--brick-panel-border)}.mode-tabs .tab{color:var(--brick-muted)}.mode-tabs .tab[aria-selected=true]{color:var(--brick-ink);border-bottom-color:var(--brick-accent)}.tabpanel{gap:12px}.console-card{flex:1 1 auto;min-height:240px;background:var(--brick-con-bg);border-color:var(--brick-con-line);color:var(--brick-con-ink)}.console-placeholder{color:var(--brick-con-muted);flex:1}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--brick-con-line)}.tab{background:none;border:0;border-bottom:3px solid transparent;color:var(--brick-con-muted);font:inherit;font-size:14px;font-weight:600;padding:6px 10px;cursor:pointer}.tab[aria-selected=true]{color:var(--brick-con-ink);border-bottom-color:var(--brick-accent)}.tab:focus-visible{outline:2px solid var(--brick-accent);outline-offset:2px}.tabpanel{flex:1;min-height:0;display:flex;flex-direction:column}.tabpanel[hidden]{display:none}.code-view{margin:0;flex:1;overflow:auto;background:var(--brick-code-bg);color:var(--brick-code-text);border-radius:8px;padding:12px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;line-height:1.5;-moz-tab-size:2;tab-size:2;white-space:pre}.code-hint{border-radius:8px;padding:24px 16px;text-align:center;font-size:13px;color:var(--brick-con-muted)}.toast{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:12px 16px 0;background:var(--brick-chip);color:var(--brick-ink);border:2px solid var(--brick-panel-border);border-radius:8px;padding:8px 12px;font-size:14px;font-weight:600}.toast-error{background:var(--brick-accent);color:var(--brick-accent-fg);border-color:transparent}.toast-done{background:var(--brick-ok-bg);color:var(--brick-ok-fg);border-color:transparent}.sim-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}.sim-chip{font-size:12px;font-weight:600;background:var(--brick-chip);border-radius:8px;padding:3px 8px}.sim-status{font-size:13px;color:var(--brick-muted);font-weight:600}.sim-stage{background:var(--brick-sim-bg);border-radius:8px;padding:12px}.sim-board{display:block;max-height:230px}.sim-board-photo{max-height:300px}.sim-usb{fill:var(--brick-sim-usb)}.sim-usb-inner{fill:var(--brick-sim-usb-inner)}.sim-header-strip,.sim-chip-body{fill:var(--brick-sim-strip)}.sim-svg-text{fill:var(--brick-sim-text);font-family:ui-monospace,Menlo,Consolas,monospace}.sim-svg-small{font-size:10px}.sim-led{fill:var(--brick-sim-led-off);stroke:var(--brick-sim-led-edge);stroke-width:1.5}.sim-led-on{fill:var(--brick-sim-led-on)}.sim-led-glow{fill:var(--brick-sim-glow);opacity:.45}.sim-board-photo{border-radius:8px;background:#fff}.sim-board-photo{--sim-glow-led: #FF7A45;--sim-glow-power: #4DFF88;--sim-glow-tx: #FFC21A}.sim-photo-led{fill:transparent}.sim-photo-led-led{fill:#ffb37a;stroke:#fff3e0;stroke-width:.9}.sim-photo-led-power{fill:#8cffb0;stroke:#eafff0;stroke-width:.9}.sim-photo-led-tx{fill:#ffe07a;stroke:#fff8dc;stroke-width:.9}.sim-photo-buzzer{fill:transparent;stroke:transparent;stroke-width:6}.sim-photo-buzzer-on{stroke:var(--brick-sim-led-on);animation:sim-buzz .35s ease-in-out infinite alternate}@keyframes sim-buzz{0%{stroke-opacity:.35}to{stroke-opacity:1}}@media (prefers-reduced-motion: reduce){.sim-photo-buzzer-on{animation:none}}.sim-photo-button{fill:transparent;stroke:transparent;stroke-width:5;cursor:pointer;touch-action:none}.sim-photo-button:hover{stroke:#ffffff8c}.sim-photo-button.is-down{fill:#ff5a3673;stroke:#fff3e0}.sim-button.is-down{background:var(--brick-chip);border-color:var(--brick-accent);box-shadow:inset 0 2px 4px #0003}.sim-hint{margin:0;font-size:12px;color:var(--brick-muted)}.sim-buzzer{fill:var(--brick-sim-buzzer);stroke:var(--brick-sim-led-edge);stroke-width:2}.sim-buzzer-on{fill:var(--brick-sim-buzzer-on)}.sim-state{display:inline-flex;align-items:baseline;gap:8px}.sim-elapsed{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;color:var(--brick-muted)}.sim-pins{display:flex;flex-direction:column;gap:8px}.sim-pins-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 12px}.sim-pins-head h3{margin:0;font-family:Fredoka,Inter,sans-serif;font-size:15px;font-weight:700}.sim-pins-legend{font-size:12px;color:var(--brick-muted)}.pin-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px}.pin-tile{position:relative;display:flex;flex-direction:column;gap:1px;background:var(--brick-chip);border:2px solid transparent;border-radius:10px;padding:8px 10px 9px;min-width:0}.pin-tile.is-idle{opacity:.65}.pin-tile.is-high{border-color:var(--brick-sim-led-on);background:var(--brick-panel)}.pin-name{font-family:Fredoka,Inter,sans-serif;font-size:17px;font-weight:700;line-height:1.1}.pin-name:before{content:"Pin ";font-size:11px;font-weight:600;color:var(--brick-muted)}.pin-role{font-size:11px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;color:var(--brick-muted)}.pin-level{display:flex;align-items:center;gap:6px;margin-top:4px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:15px;font-weight:600}.pin-dot{width:10px;height:10px;border-radius:50%;background:var(--brick-sim-led-off);border:1.5px solid var(--brick-sim-led-edge);flex:none}.pin-tile.is-high .pin-dot{background:var(--brick-sim-led-on);box-shadow:0 0 6px var(--brick-sim-led-on)}.pin-sub{font-size:11px;color:var(--brick-muted)}.pin-bar{margin-top:4px;height:5px;border-radius:3px;background:var(--brick-panel-border);overflow:hidden}.pin-bar i{display:block;height:100%;background:var(--brick-accent)}.sim-inputs{display:flex;flex-direction:column;gap:10px}.sim-knob{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}.sim-knob-label{font-size:13px;font-weight:600;flex:0 0 auto}.sim-knob input{flex:1 1 140px;min-width:0;min-height:44px;accent-color:var(--brick-accent)}.sim-knob-value{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;width:40px;text-align:right}.sim-button{justify-content:center;touch-action:none;-webkit-user-select:none;user-select:none}.sim-button:active{background:var(--brick-chip)}.sim-serial{flex:1 0 auto;display:flex;flex-direction:column;gap:6px;background:var(--brick-con-bg);color:var(--brick-con-ink);border:1px solid var(--brick-con-line);border-radius:10px;padding:10px}.sim-serial-bar{display:flex;align-items:center;justify-content:space-between}.serial-baud{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--brick-con-muted)}.serial-baud select{min-height:36px;padding:0 6px;border-radius:8px;border:1px solid var(--brick-con-line);background:var(--brick-con-bg);color:var(--brick-con-ink);font:inherit;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}.serial-note{margin:0;font-size:12px;color:var(--brick-con-muted)}.serial-logwrap{position:relative;display:flex;flex-direction:column;min-height:0;flex:1}.serial-jump{position:absolute;right:12px;bottom:8px;background:var(--brick-con-bg)}.serial-status{margin:0;min-height:18px;font-size:12px;color:var(--brick-con-muted)}.serial-status.is-problem{color:var(--brick-con-error)}.serial-send{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px}.serial-send input[type=text]{flex:1 1 140px;min-width:0;min-height:36px;padding:0 8px;border-radius:8px;border:1px solid var(--brick-con-line);background:var(--brick-con-bg);color:var(--brick-con-ink);font:inherit;font-size:13px}.serial-send input:disabled,.serial-send button:disabled{opacity:.5}.serial-newline{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--brick-con-ink)}.serial-newline input{width:18px;height:18px;accent-color:var(--brick-accent)}.btn-small{min-height:36px;padding:0 12px;border:1px solid var(--brick-con-line);background:transparent;color:var(--brick-con-ink);border-radius:8px;font-size:13px;font-weight:500}.sim-serial.is-single .sim-tag{display:none}.sim-serial-lines{flex:1 1 auto;min-height:160px;max-height:320px;overflow-y:auto;padding:8px 4px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;line-height:1.5}.sim-serial-empty{color:var(--brick-con-muted);text-align:center;padding:24px 8px;font-family:Inter,system-ui,sans-serif}.sim-line{display:flex;gap:12px}.sim-tag{flex:0 0 36px;font-weight:600;color:var(--brick-accent)}.sim-tag.is-usb{color:var(--brick-con-usb)}.sim-text{min-width:0;overflow-wrap:anywhere;white-space:pre-wrap;color:var(--brick-con-ink)}@media (prefers-reduced-motion: reduce){.right-panel,.panel-content,.is-closed .panel-content,.rail,.is-closed .rail{transition-duration:0s!important;transition-delay:0s!important}}@media (max-width: 760px){.studio{height:auto;min-height:100%}.studio-body{flex-direction:column;flex:1 0 auto}.workspace-area{flex:0 0 auto;height:60vh;min-height:360px}.right-panel{flex:0 0 auto}.right-panel.is-closed{flex:0 0 60px;height:60px}.panel-content{min-width:0;overflow:visible}.rail{width:100%;height:60px;bottom:auto;flex-direction:row;padding:0 8px}.rail-label{writing-mode:horizontal-tb}.chev{transform:rotate(90deg)}.project-name{width:12ch}}.brick-workspace .blocklySvg{background-color:var(--brick-baseplate);background-image:radial-gradient(circle at center,var(--brick-baseplate-stud) 0 9px,var(--brick-baseplate-ring) 9.5px 11px,transparent 11.5px);background-repeat:repeat}.brick-workspace .blocklyMainBackground{fill:transparent;stroke:none}.brick-workspace .blocklyEditableField>rect,.brick-workspace .blocklyEditableText>rect{fill:var(--brick-field-bg);stroke:none;rx:4;ry:4}.brick-workspace .blocklyEditableField>text,.brick-workspace .blocklyEditableText>text,.brick-workspace .blocklyDropdownText{fill:var(--brick-field-text)!important}.brick-workspace .blocklyNonEditableField>text,.brick-workspace .blocklyNonEditableText>text{fill:var(--brick-label-text)}.brick-workspace .blocklyText{font-weight:600}.brick-workspace .blocklyBlockCanvas .blocklyPath{stroke:none}.brick-workspace .brick-hint-reason{font-family:system-ui,sans-serif}.brick-workspace .brick-dimples{fill:var(--brick-dimple)}.brick-workspace .brick-highlight{fill:var(--brick-highlight)}.brick-workspace .blocklyBlockCanvas .blocklyFieldRect,.brick-workspace .blocklyFlyout .blocklyFieldRect{fill:var(--brick-field-bg)!important;fill-opacity:1!important}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:var(--brick-overlay);display:flex;justify-content:center;align-items:flex-start;padding:110px 16px 16px;box-sizing:border-box;overflow-y:auto}.modal{width:100%;max-width:480px;background:var(--brick-panel);color:var(--brick-ink);border:2px solid var(--brick-panel-border);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:16px;box-sizing:border-box}.modal-head{display:flex;align-items:flex-start;gap:12px}.modal-head h2{margin:0;flex:1 1 0;font-family:Fredoka,Inter,sans-serif;font-size:23px;font-weight:700}.modal-close{margin:-8px -8px 0 0;border:0;background:transparent}.steps{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px}.steps li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.45}.steps li>span:last-child{padding-top:3px}.step-num{flex:0 0 28px;height:28px;border-radius:50%;background:var(--brick-accent);color:var(--brick-accent-fg);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}.modal-wide{max-width:640px}.example-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;max-height:min(60vh,520px);overflow-y:auto}.example{display:flex;gap:12px;align-items:center;justify-content:space-between;border:2px solid var(--brick-panel-border);border-radius:10px;padding:12px 14px}.example-text{display:flex;flex-direction:column;gap:6px;align-items:flex-start;min-width:0}.example h3{margin:0;font-family:Fredoka,Inter,sans-serif;font-size:17px;font-weight:700}.example p{margin:0;font-size:13px;line-height:1.45}.example .example-needs{color:var(--brick-muted)}.modal-note{margin:0;background:var(--brick-chip);border-radius:8px;padding:10px 12px;font-size:13px;line-height:1.45;color:var(--brick-muted)}.modal-error{margin:0;background:var(--brick-hint-bad);color:var(--brick-hint-bad-text);border-radius:8px;padding:10px 12px;font-size:14px;font-weight:600}.modal-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.usb-pill-on{background:var(--brick-ok-bg);color:var(--brick-ok-fg)}.usb-pill-on .dot{background:var(--brick-ok-dot)}.usb-note{flex-basis:100%;order:98;margin:0;font-size:13px;color:var(--brick-muted)}.upload-progress{display:flex;align-items:center;gap:12px;margin:12px 16px 0;font-size:14px;font-weight:600}.upload-progress progress{flex:1 1 auto;height:16px;accent-color:var(--brick-accent)}.studio-header:focus{outline:none}