:root{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#283d36;background:#f7f8f4;font-size:14px;--orange:#d77923;--green:#367961;--muted:#74847a;--border:#e2e8df;--shadow:0 8px 28px #233d2406}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,.button{cursor:pointer;border:1px solid #dce4d8;border-radius:10px;padding:9px 15px;background:#fff;color:#456052;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;line-height:1.5}button:hover,.button:hover{background:#f0f5ed;border-color:#b9cbbc}button:disabled{opacity:.48;cursor:not-allowed}.primary,button.primary{background:#367961;border-color:#367961;color:#fff}.primary:hover{background:#29684f;color:#fff}.quiet{border-color:transparent;background:transparent}.danger{color:#ab5144}a{color:#397961}h1,h2,h3,h4,p{overflow-wrap:anywhere}h2{font-size:23px;letter-spacing:-.04em}h3{font-size:16px;margin:0 0 14px}h4{margin:8px 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#20351c26}dialog::backdrop{background:#213b2c55;backdrop-filter:blur(5px)}#voicePlayer{position:fixed;bottom:18px;right:20px;z-index:20;max-width:calc(100vw - 40px)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.memory-row .check{font-size:11px}.memory-row button{padding:3px 0;font-size:11px}@media(min-width:1450px){.content{padding-left:65px;padding-right:65px}}@media(max-width:1100px){.shell{grid-template-columns:200px minmax(0,1fr)}.content{padding:28px 22px}.companion{width:170px}.companion-hero{gap:18px;padding:18px}.companion-hero h2{font-size:23px}.learning-layout{grid-template-columns:1fr}.visual-panel{position:static}.project-layout{grid-template-columns:1fr}.project-side{display:grid;grid-template-columns:1fr 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h2{font-size:21px}.two,.form-grid,.project-side{grid-template-columns:1fr}.project-header{display:block}.project-header h2{font-size:25px}.project-header .actions{margin-top:20px}.cards{grid-template-columns:1fr}.work-visual{height:115px}.stage-top{align-items:center}.stage-top>h3{font-size:15px}.inline-form input{flex-basis:100%}.messages{max-height:350px}.story-pages{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.list-row{flex-wrap:wrap}.courseware-frame{border-radius:6px}#voicePlayer{bottom:10px;right:10px;max-width:calc(100vw - 20px)}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.canvas svg{width:100%;height:auto;max-height:420px}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}#coauthorDialog{max-width:1100px}.experiment-work{padding:16px 0;border-top:1px solid var(--border)}.coauthor-messages{max-height:280px;overflow:auto}pre{white-space:pre-wrap;overflow-wrap:anywhere}.shared-cards label{display:block}.shared-cards .selection{border:1px solid var(--border);border-radius:12px;padding:12px}@media(max-width:700px){.editor-grid{grid-template-columns:1fr}.experiment-work .shared-cards{grid-template-columns:1fr}}

.robot-screen{background:#15271f}.robot-screen .topbar,.robot-screen aside,.robot-screen .content-head,.robot-screen #notice{display:none}.robot-screen .shell{display:block;min-height:100dvh}.robot-screen .content{padding:0;display:grid;place-items:center;min-height:100dvh}.robot-display{width:min(100vw,280px);height:min(100dvh,280px);text-align:center;color:#f9f4dc;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px}.robot-display .companion{width:170px}.robot-display p{font-size:16px;line-height:1.5;margin:0 0 8px;max-width:235px}.robot-display .device-indicator{font-size:10px;color:#a3bc8d}.device-back{display:block;margin:30px auto 0;background:transparent;color:#c6d6b1;border-color:#3c5847}@media(max-width:320px){.robot-screen .device-back{display:none}}


/* Coucou / Mochi — shared local prototype character (COUCOU-NOTICE.md). */
.companion svg{filter:none}
.companion .mochi-eyes{display:none}
.companion[data-mood=ready] [data-expression=ready],.companion[data-mood=listening] [data-expression=listening],.companion[data-mood=thinking] [data-expression=thinking],.companion[data-mood=speaking] [data-expression=speaking],.companion[data-mood=resting] [data-expression=resting]{display:block}
.companion-hero{background:#eff1ed;border-color:#e1e5de}
.brand-mark{background:#232624;border-radius:13px;overflow:hidden}
.brand-mark .companion{width:50px;flex-shrink:0}
.robot-screen{background:#111310}
.robot-display .companion{width:180px}
.robot-display .eyebrow{color:#b5bbae}
@media(max-width:700px){.brand-mark .companion{width:42px}}