/* The scene stays visible through a narrow chat rail, away from the crosshair. */
#worldStage{position:absolute}
#worldStage .npc-world-chat{
  --chat-ink:#eff7f2;--chat-muted:#b7cfc3;--chat-glass:#152b259c;--chat-edge:#d3ead633;
  position:fixed;left:auto;right:18px;bottom:24px;transform:none;width:clamp(360px,32vw,480px);
  max-height:calc(100dvh - 182px);display:flex;flex-direction:column;gap:0;
  overflow:hidden;border:1px solid var(--chat-edge);border-radius:15px;
  background:var(--chat-glass);backdrop-filter:blur(8px);color:var(--chat-ink);
  box-shadow:0 8px 30px #10251c1f;font:13px/1.5 "Microsoft YaHei",system-ui,sans-serif;
}
#worldStage .npc-world-chat[data-chat-expanded="true"]{height:min(730px,calc(100dvh - 182px))}
.npc-chat-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;pointer-events:auto;border-bottom:1px solid var(--chat-edge);flex:none}
.npc-chat-header>div{display:flex;align-items:baseline;gap:10px}.npc-chat-header strong{font:600 20px "Songti SC",SimSun,serif;letter-spacing:.06em}.npc-chat-header span{color:var(--chat-muted);font-size:11px}
#worldStage .npc-chat-header button{border:0;background:transparent;font-size:11px;padding:4px;min-height:30px}
.npc-chat-log{position:relative;min-height:100px;flex:1;display:flex;overflow:hidden;pointer-events:auto}
.npc-chat-scroll{width:100%;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;overflow-anchor:none;padding:16px 12px;scrollbar-width:thin;scrollbar-color:#b7cfc370 transparent}
.npc-chat-empty{font-size:12px;line-height:1.8;color:var(--chat-muted);padding:12px;text-align:center}
.npc-chat-message{display:flex;align-items:flex-start;gap:7px;margin:0 0 17px;animation:npc-chat-arrive .18s ease-out}
.npc-chat-avatar{flex:0 0 29px;width:29px;height:29px;display:grid;place-items:center;border-radius:9px;background:#c7dbd9c9;color:#29483c;font:14px "Songti SC",SimSun,serif;margin-top:20px}
.npc-chat-body{min-width:0;max-width:calc(100% - 38px)}.npc-chat-author{display:block;color:var(--chat-muted);font-size:10px;margin-bottom:4px}
.npc-chat-bubble{position:relative;border-radius:3px 11px 11px 11px;background:#edf5efdc;color:#203f32;padding:10px 11px;line-height:1.75;overflow-wrap:anywhere}
.npc-chat-bubble:before{content:"";position:absolute;top:9px;left:-5px;border:5px solid transparent;border-right-color:#edf5efdc;border-left:0}
.npc-chat-message.user{flex-direction:row-reverse}.npc-chat-message.user .npc-chat-author{text-align:right}.npc-chat-message.user .npc-chat-avatar{background:#99c8a9bd}
.npc-chat-message.user .npc-chat-bubble{background:#a6d49ade;border-radius:11px 3px 11px 11px}.npc-chat-message.user .npc-chat-bubble:before{left:auto;right:-5px;border-left:5px solid #a6d49ade;border-right:0}
.npc-chat-text{white-space:pre-wrap}.npc-chat-message.is-typing .npc-chat-text:after{content:'···';display:block;letter-spacing:4px;animation:npc-chat-thinking 1s ease-in-out infinite}
.npc-chat-spoken{background:#d2e8bc;color:inherit;border-radius:3px;box-decoration-break:clone}.npc-chat-message[data-speaking="true"] .npc-chat-author{color:#ddf2b7}
#worldStage .npc-chat-log .npc-knowledge-view{display:grid;grid-template-columns:minmax(0,1fr);overflow:visible;max-height:none;gap:10px}
#worldStage .npc-chat-log .npc-knowledge-view:empty{display:none}
#worldStage .npc-chat-log .npc-knowledge-view figure{padding:0;margin:9px 0 0;max-width:none;min-width:0;background:transparent;color:#365547;font-size:11px}
#worldStage .npc-chat-log .npc-knowledge-view figure button{display:block;background:#ffffff59;border:0;padding:0;min-height:0;overflow:hidden;border-radius:6px}
#worldStage .npc-chat-log .npc-knowledge-view img{height:auto;max-height:190px;min-height:80px;object-fit:contain}
.npc-chat-log .npc-image-source{display:block;color:#526e60;font-size:10px;margin-top:3px}
#worldStage .npc-chat-latest{position:absolute;right:10px;bottom:8px;color:#234a3a;background:#f2f8f0;border-color:#afcdb9;padding:5px 10px;font-size:11px;min-height:32px;box-shadow:0 2px 10px #10251c1f}
#worldStage .npc-world-chat .npc-game-bar{flex:none;background:transparent;border:0;border-top:1px solid var(--chat-edge);border-radius:0;box-shadow:none;backdrop-filter:none;padding:8px 10px;gap:5px;order:4}
#worldStage .npc-world-chat .npc-game-bar button,#worldStage .npc-world-chat .npc-game-bar summary{font-size:11px;padding:5px 7px;min-height:32px}
#worldStage .npc-world-chat .npc-game-wall-mode{font-size:10px}#worldStage .npc-world-chat input[type=checkbox]{width:13px;height:13px;margin:0}
#worldStage .npc-world-chat form{order:5;flex:none;background:transparent;border:0;border-top:1px solid var(--chat-edge);border-radius:0;box-shadow:none;backdrop-filter:none;padding:8px 10px;max-height:36dvh}
#worldStage .npc-world-chat form>label{font-size:0;gap:0}#worldStage .npc-world-chat textarea{font-size:13px;min-height:52px;background:#eff7f1d9}
#worldStage .npc-world-chat .npc-game-form-actions{margin-bottom:0;font-size:11px;gap:6px}#worldStage .npc-world-chat .npc-game-form-actions button{padding:5px 8px;min-height:32px}
#worldStage .npc-world-chat form>small{display:none}.npc-chat-commands{margin:0 0 7px!important;font-size:11px}.npc-chat-commands>summary{border:0!important;padding:3px 0!important;background:transparent!important;min-height:24px}
#worldStage .npc-world-chat .npc-game-status{order:6;flex:none;text-align:left;padding:3px 12px 7px;font-size:10px;color:var(--chat-muted);text-shadow:none;max-height:50px;overflow-y:auto}
#worldStage .npc-world-chat .npc-game-status:empty{display:none}#worldStage .npc-world-chat [data-npc-subtitle]{display:none!important}
#worldStage .npc-world-chat .npc-game-recovery{flex:none;max-height:130px;overflow:auto;margin:6px 10px;order:2}
#worldStage .npc-world-chat .academy-course{order:3;flex:none;width:auto;margin:0 10px 7px!important;padding:7px 9px;background:#18392b4d;border:1px solid var(--chat-edge);border-radius:8px;color:var(--chat-ink);font-size:11px;max-height:min(132px,16dvh);overflow:auto;pointer-events:auto}
.academy-course summary{cursor:pointer}.academy-course p{margin:7px 0;line-height:1.5}.academy-actions,[data-answers]{display:flex;flex-wrap:wrap;gap:5px}
#worldStage .academy-course button{font-size:11px;padding:5px 7px;min-height:32px}
#worldStage .academy-entry{order:3;flex:none;pointer-events:auto;background:#204936b3;color:var(--chat-ink);font-size:12px;margin:6px 10px}
#worldStage .npc-world-chat[data-chat-expanded="false"] .npc-chat-log{display:none}
#worldStage .npc-world-chat[data-chat-expanded="false"]>:not(.npc-chat-header){display:none}
.npc-roam-active~.world-hud{left:18px;right:auto;bottom:18px;transform:none;max-width:290px;font-size:11px;pointer-events:none}
.npc-roam-active~.world-avatar-panel{left:18px;right:auto;bottom:125px}.npc-roam-active~.world-door-prompt{left:18px;bottom:200px;transform:none}
/* Navigation reserves its own space above the chat, including while typing. */
#worldStage .npc-world-chat{overflow-y:auto;overscroll-behavior:contain}
#worldStage .npc-world-chat .npc-chat-log{min-height:120px;flex:1 1 180px}
#worldStage .npc-world-chat .npc-chat-header{position:sticky;top:0;z-index:2;background:#314b40f2}
#worldStage .npc-world-chat:has(form:not([hidden])) .npc-reception-actions,#worldStage .npc-world-chat:has(form:not([hidden])) .academy-course,#worldStage .npc-world-chat:has(form:not([hidden])) .npc-game-bar{display:none}
#worldStage .npc-world-chat:has(form:not([hidden])) .npc-chat-log{min-height:30px;flex:1 1 100px}
#worldAcademyStart{display:block;margin:8px 0;width:100%;padding:10px;border:1px solid #528d71;background:#e8f4eb;color:#21533a;border-radius:8px;font:inherit;cursor:pointer}
@keyframes npc-chat-arrive{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes npc-chat-thinking{50%{opacity:.35}}
@media(prefers-reduced-motion:reduce){.npc-chat-message,.npc-chat-message.is-typing .npc-chat-text:after{animation:none}}
@media(max-width:700px){
  #worldStage .npc-world-chat{right:8px;bottom:26px;width:calc(100vw - 16px);max-height:calc(100dvh - 192px);border-radius:12px}
  #worldStage .npc-world-chat[data-chat-expanded="true"]{height:min(570px,calc(100dvh - 192px))}
  .npc-chat-header{padding:8px 10px}.npc-chat-header strong{font-size:18px}.npc-chat-header span{font-size:10px}.npc-chat-header>div{gap:7px}
  .npc-chat-scroll{padding:10px 8px}.npc-chat-avatar{display:none}.npc-chat-body{max-width:94%}.npc-chat-bubble{font-size:12px;padding:8px 10px}
  #worldStage .npc-world-chat .npc-game-bar{padding:6px 8px;gap:4px}#worldStage .npc-world-chat .npc-game-bar button,#worldStage .npc-world-chat .npc-game-bar summary{font-size:10px;min-height:32px;padding:5px}
  #worldStage .npc-world-chat .academy-course{max-height:min(110px,16dvh)}#worldStage .npc-world-chat form{max-height:34dvh}
  .npc-roam-active~.world-hud{display:none}.npc-roam-active~.touch-pad{bottom:138px}
  .npc-chat-open~.world-avatar-panel,.npc-chat-open~.world-door-prompt{visibility:hidden}
  .npc-roam-active~.world-avatar-panel{bottom:320px;left:8px}.npc-roam-active~.world-door-prompt{left:8px;bottom:430px;width:250px}
}
.npc-reception-actions{pointer-events:auto;display:flex;flex-wrap:wrap;gap:6px;padding:8px 10px;background:#173b2d7a;border-radius:8px;font-size:11px}.npc-reception-actions[hidden]{display:none!important}.npc-reception-actions button{font:inherit}
#worldStage .npc-reception-actions{order:2;flex:none;margin:0 10px 7px;background:#16382973;padding:6px}
#worldStage .npc-reception-actions button{font-size:11px;min-height:30px;padding:5px 7px}
#worldStage .npc-chat-header>div{flex-wrap:wrap;gap:4px 8px}#worldStage .npc-chat-header>div>span{display:none}
#worldStage .npc-chat-header .npc-avatar-button{padding:0 4px;background:transparent;border:0;min-height:30px}
@media(max-width:700px){#worldStage .npc-chat-avatar{display:grid;flex-basis:24px;width:24px;height:26px}#worldStage .npc-chat-body{max-width:calc(100% - 31px)}}
#worldStage .npc-world-chat .npc-chat-bubble{font-size:14px}#worldStage .npc-world-chat[data-chat-expanded="false"]{width:min(300px,calc(100vw - 16px))}
@media(max-width:700px){#worldStage .npc-world-chat .npc-chat-bubble{font-size:13px}#worldStage .npc-world-chat .npc-chat-log{min-height:90px}#worldStage .npc-world-chat:has(form:not([hidden])) .npc-chat-log{min-height:30px}#worldStage .npc-world-chat[data-chat-expanded="false"]{width:min(260px,calc(100vw - 16px))}}
@media(min-width:701px) and (max-height:820px){#worldStage .npc-world-chat .npc-chat-log{min-height:90px}#worldStage .npc-world-chat:has(form:not([hidden])) .npc-chat-log{min-height:30px}}

/* Common actions scroll independently, leaving the composer and send controls available. */
#worldStage .npc-world-chat .npc-chat-commands{order:4;flex:0 0 auto;max-height:clamp(76px,18dvh,150px);overflow-y:auto;overscroll-behavior:contain;pointer-events:auto;margin:0 10px 6px!important;padding:6px 8px;border:1px solid var(--chat-edge);border-radius:8px;background:#19372c80;scrollbar-width:thin}
#worldStage .npc-world-chat .npc-chat-commands>summary{position:sticky;top:-6px;z-index:1;background:#294638!important}
#worldStage .npc-world-chat form{max-height:none;overflow:visible;flex:0 0 auto}
#worldStage .npc-world-chat{pointer-events:auto}
#worldStage .npc-world-chat .npc-game-room{flex-wrap:wrap}
#worldStage .npc-world-chat .npc-game-room select{max-width:100%}

#worldStage .npc-chat-commands .npc-game-introduction>strong,#worldStage .npc-chat-commands .npc-game-introduction>p{display:none}

.npc-chat-header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
#worldStage .npc-world-chat[data-chat-history="true"]>:not(.npc-chat-header):not(.npc-chat-log){display:none!important}
#worldStage .npc-world-chat[data-chat-history="true"] .npc-chat-log{flex:1 1 0;min-height:0}
#worldStage .npc-world-chat[data-chat-history="true"] [data-npc-chat-history]{color:#e4efbb}