/* Docked desktop assistant; in-flow mobile conversation keeps artwork and tools reachable. */
:root{--yiwen-width:380px}.yiwen-entry{display:inline-flex;align-items:center;gap:6px;color:var(--brand);background:var(--brand-soft);border:1px solid color-mix(in srgb,var(--brand) 40%,var(--line));font-weight:650;white-space:nowrap}.yiwen-entry:before{content:'✦';font-size:15px}.yiwen-open .main-shell{margin-right:var(--yiwen-width)}#yiwen-host{color:var(--ink)}#yiwen-panel{position:fixed;right:0;top:0;bottom:0;width:var(--yiwen-width);z-index:35;display:flex;flex-direction:column;background:var(--paper);border-left:1px solid var(--line);box-shadow:-6px 0 30px #20352b09;font-size:13px;overflow:hidden}.yiwen-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line);flex-shrink:0}.yiwen-header>div{display:flex;gap:10px;align-items:center}.yiwen-icon{width:40px;height:40px;color:var(--brand);flex-shrink:0}.yiwen-header strong{font-family:Georgia,'Microsoft YaHei',serif;font-size:22px;display:block}.yiwen-header small{display:block;font-size:11px;color:var(--muted)}.yiwen-header button{font-size:11px;padding:6px 9px}.yiwen-context{padding:12px 18px;background:var(--brand-soft);max-height:30vh;overflow:auto;flex-shrink:0}.yiwen-context>div{display:grid;gap:3px}.yiwen-context span{font-size:11px;color:var(--muted)}.yiwen-context strong{font-size:13px}.yiwen-context p{font-size:12px;line-height:1.7;margin:6px 0}.yiwen-context>small{display:block;font-size:11px;color:var(--brand)}.yiwen-context-select{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:11px}.yiwen-context select{min-width:0;font-size:11px;background:var(--paper);padding:5px;border-radius:5px;max-width:100%}.yiwen-permission,.yiwen-material{display:flex;align-items:flex-start;gap:7px;font-size:11px;margin:9px 0}.yiwen-permission input,.yiwen-material input{width:auto;flex-shrink:0;accent-color:var(--brand);margin-top:4px}.yiwen-sources summary{font-size:11px;padding:6px 0;cursor:pointer;color:var(--muted)}.yiwen-sources[open]{border-top:1px solid var(--line);margin-top:8px}.yiwen-management{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px}.yiwen-management button,.yiwen-sources button{font-size:11px;padding:5px 8px}.yiwen-change,.yiwen-handoff{border-left:2px solid var(--brand);padding-left:8px}.yiwen-context .yiwen-handoff{font-size:11px}#yiwen-history{flex:1;min-height:100px;overflow:auto;padding:16px 18px;overscroll-behavior:contain;scrollbar-width:thin}.yiwen-welcome{padding:12px 4px}.yiwen-welcome h3{font-size:18px;margin:12px 0}.yiwen-welcome p{font-size:13px}.yiwen-welcome small{font-size:11px;color:var(--muted)}.yiwen-message{padding:12px 13px;margin-bottom:14px;border:1px solid var(--line);border-radius:10px;background:white;overflow-wrap:anywhere}.yiwen-message>small{font-size:10px;color:var(--muted)}.yiwen-message p{font-size:13px;white-space:pre-wrap;line-height:1.8;margin:8px 0 0}.yiwen-message details{font-size:11px;margin-top:10px;border-top:1px solid var(--line);padding-top:8px}.yiwen-message details p{font-size:11px}.yiwen-user{background:var(--brand-soft);margin-left:24px}.yiwen-answer{margin-right:10px}.yiwen-lock{padding:12px;border-left:2px solid var(--brand);font-size:13px}.yiwen-pending{font-size:12px;color:var(--brand)}.yiwen-suggestions{padding:0 18px 10px;display:flex;gap:6px;overflow-x:auto;flex-shrink:0;scrollbar-width:thin;scrollbar-color:#c9d2c6 transparent}.yiwen-suggestions button{font-size:11px;padding:7px 10px;white-space:nowrap;max-width:290px;overflow:hidden;text-overflow:ellipsis;flex-shrink:0}.yiwen-suggestions::-webkit-scrollbar{height:5px}.yiwen-suggestions::-webkit-scrollbar-thumb{background:#c9d2c6;border-radius:3px}.yiwen-suggestions::-webkit-scrollbar-track{background:transparent}.yiwen-composer{padding:12px 18px 14px;border-top:1px solid var(--line);flex-shrink:0}.yiwen-composer>label{display:block;font-size:12px;margin-bottom:6px}.yiwen-composer textarea{font:inherit;font-size:13px;min-height:68px;max-height:120px;resize:vertical;width:100%;padding:10px;border:1px solid var(--line);border-radius:7px;background:white}.yiwen-composer>div{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-top:7px}.yiwen-composer small{font-size:10px;color:var(--muted)}.yiwen-composer button{font-size:12px;padding:7px 17px}.yiwen-composer>p{font-size:11px;margin:0}.yiwen-open .art-companion-column .companion-panel{display:none}.yiwen-open .art-layout{grid-template-columns:1fr}.yiwen-open .art-layout>div:first-child{position:static}.yiwen-open .companion-transfer-note{display:block}.companion-transfer-note{display:none;background:var(--brand-soft);padding:12px 16px;border-radius:8px;font-size:12px}.yiwen-open .current-class{grid-template-columns:1.3fr 1fr}.yiwen-open .current-class h2{font-size:26px}.yiwen-open .studio-steps{flex-wrap:wrap}.yiwen-open .goal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.yiwen-open .quick-overview{gap:10px}.yiwen-open .unit-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.yiwen-open .script-preparation{grid-template-columns:1fr}.yiwen-open .script-art{display:none}.yiwen-open .reading-layout{grid-template-columns:1fr}.yiwen-open .classroom-settings[open]>div{z-index:25}.project-mode .yiwen-entry{display:inline-flex}
@media(max-width:1200px) and (min-width:701px){:root{--yiwen-width:340px}.yiwen-open .current-class{grid-template-columns:1fr}.yiwen-open .current-class figure{max-height:180px;order:-1}.yiwen-open main{padding:24px 18px}.yiwen-open .page-head{flex-wrap:wrap}.yiwen-open .lesson-title-row{display:block}.yiwen-open .lesson-title-row>button{margin-top:12px}.yiwen-open .zones{flex-wrap:wrap}.yiwen-open .unit-cards,.yiwen-open .art-strip,.yiwen-open .case-grid,.yiwen-open .gallery-grid{grid-template-columns:1fr}.yiwen-open .quick-overview{grid-template-columns:1fr}.yiwen-open .current-class h2{font-size:24px}.yiwen-open .welcome{padding-right:0}.yiwen-open .school-visual{display:none}.yiwen-open .result-row{grid-template-columns:1fr}.yiwen-open .catalog-tools{display:block}.yiwen-open .curriculum-unit{grid-template-columns:1fr}.yiwen-open .topbar-context{display:none}.yiwen-open .topbar{padding:0 16px}.yiwen-open .topbar>span{display:none}.yiwen-open .topbar>div{margin-left:auto}}
@media(max-width:700px){.yiwen-open .main-shell{margin-right:0}#yiwen-host{margin-left:0}#yiwen-panel{position:relative;inset:auto;width:100%;height:82svh;min-height:540px;max-height:900px;border-left:0;border-top:1px solid var(--line);box-shadow:none}.yiwen-context{max-height:24svh}.yiwen-header{padding:12px 16px}.yiwen-open .current-class{grid-template-columns:1fr}.yiwen-open .goal-grid{grid-template-columns:1fr}.topbar .yiwen-entry{font-size:11px;padding:5px 8px}.topbar>div{gap:5px}.topbar>div>.badge{display:none}.yiwen-open .companion-panel{display:none}.yiwen-open .unit-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.yiwen-open .studio-steps{gap:8px}.yiwen-composer,.yiwen-context{padding-left:16px;padding-right:16px}}
@media(prefers-reduced-motion:reduce){#yiwen-panel{scroll-behavior:auto}}
/* P7-AI-GLM-R18 服务端同步状态与恢复提示 */
.yiwen-sync{display:block;font-size:10px;margin-top:6px}
.yiwen-sync-pending{color:var(--muted)}
.yiwen-sync-fail{color:#b0433a}
.yiwen-sync-fail button{font-size:10px;padding:3px 8px;margin-left:6px}
.yiwen-restore-fail{font-size:11px;color:#b0433a;border-left:2px solid #b0433a;padding:6px 8px;margin:0 0 12px;background:#fff6f5}
.yiwen-restore-ok{font-size:11px;color:var(--brand);border-left:2px solid var(--brand);padding:6px 8px;margin:0 0 12px}