/* Human Thread: distinct spaces, open interiors. Cards are places and chosen objects. */
.brand-ai{font-size:1em;font-weight:450;letter-spacing:-.05em}
.brand-mark{width:37px;height:37px}
.sidebar .brand{font-size:21px;gap:8px;margin-left:3px}
.sidebar .brand-mark{width:34px;height:34px}
.sidebar-label{letter-spacing:.13em;font-size:7.5px}
.identity-light .brand,.brand-banner .brand{color:#2b335d}
.identity-dark,.app-icon{background:#2b335d;color:#fff6ea}
.app-icon>.brand-mark{width:100px;height:100px}
.identity-stacked{background:#efdce6;color:#2b335d}
.identity-stacked>img{width:100%;max-width:280px;height:auto}
.identity-icons{display:flex;justify-content:center;gap:clamp(24px,6vw,80px);padding:36px 0 12px}
.identity-icons figure{margin:0;min-width:0;text-align:center}
.identity-icons img{display:block;width:clamp(64px,11vw,120px);height:auto;border-radius:21%;box-shadow:0 3px 14px #2b335d0a}
.identity-icons figcaption{font-size:10px;color:var(--muted);margin-top:12px}

.brand-narrative{border-bottom:1px solid var(--line);padding-bottom:35px}
.space-map .personal-room.yours{background:#efdce6}
.space-map .personal-room.theirs{background:#dde4f0}
.space-map .shared-room{box-shadow:0 12px 30px #2b335d0b}
.space-map .map-topic{color:var(--ink);background:transparent;border:0;border-radius:0;border-bottom:1px solid var(--line);padding-inline:0}
.space-map .map-topic:last-child{border-bottom:0}
.space-map .map-topics{gap:0}
.space-map .map-topic:hover{transform:translateX(3px)}
/* Within a room, the page itself is the conversation surface. */
.app-main:has(.conversation-room){max-width:1100px;width:100%}
.conversation-room{max-width:920px}
.conversation-room .space-room-heading{margin:26px 0 12px;gap:15px}
.conversation-room .space-room-heading h1{font-size:38px}
.conversation-room .space-room-heading p:not(.eyebrow){font-size:13px;margin-top:7px}
.conversation-room .room-heading-icon{width:45px;height:52px;border-radius:24px 24px 12px 12px;background:var(--rose);color:#2b335d}
.conversation-room .room-heading-icon .icon{width:21px;height:21px}
.conversation-room>.space-page-heading{margin-bottom:18px}
.conversation-room>.space-page-heading h1{font-size:clamp(32px,4vw,43px)}
.conversation{max-width:760px;margin:22px auto 38px;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;overflow:visible}
.conversation-topline{min-height:52px;border-bottom:0;gap:14px}
.conversation-topline>span{font-size:8px;letter-spacing:.09em;color:var(--muted)}
.chat-mode{background:transparent;border:1px solid var(--line);padding:6px 11px;min-height:44px;font-size:11px}
.chat-context{border:0}
.chat-context summary{min-height:44px;border-bottom:1px solid var(--line);font-size:11px}
.chat-context[open]{padding-bottom:14px}
.chat-context>div{padding:10px 0 0}
.chat-context blockquote{border:0;padding:0;margin:15px 0;font-size:13px}
.chat-welcome{padding:40px 0 28px}
.chat-welcome-symbol{color:var(--ink);background:transparent;border-radius:0;padding:0;margin-bottom:18px}
.chat-welcome-symbol svg{width:48px;height:48px}
.chat-welcome h2{font-size:clamp(37px,4vw,50px)}
.chat-welcome>p{font-size:14px}
.chat-starters{gap:0;flex-wrap:nowrap;max-width:760px;margin-top:24px}
.chat-starters button{background:transparent;border:0;border-radius:0;padding:10px 16px;min-height:44px;font-size:12px;gap:9px}
.chat-starters button+button{border-left:1px solid var(--line)}
.chat-starters button:hover{background:transparent;color:var(--accent)}
.chat-messages{max-height:none;overflow:visible;overscroll-behavior:auto;scroll-padding:0}
.chat-message{padding:28px 0 18px}
.chat-message+.chat-message{border-top:0}
.chat-message header{gap:10px}.chat-symbol{color:var(--ink)}
.chat-message header small{margin-left:5px}
.chat-message.user .chat-text{background:transparent;border-radius:0;padding:0}
.chat-text{font-size:16px;line-height:1.85;margin-top:13px}
.chat-message.assistant .chat-text{padding:0}
.chat-message-actions{gap:24px;margin-top:10px}
.chat-message-actions .quiet-link{color:var(--muted);font-weight:500;font-size:12px}
.chat-compose{position:sticky;bottom:22px;z-index:6;margin-top:18px;padding:16px 18px 12px;border:1px solid var(--line);border-radius:23px;background:var(--surface);box-shadow:0 8px 32px #2b335d0c}
.conversation:has(.chat-welcome) .chat-compose{position:relative;bottom:auto}
.chat-compose:focus-within{border-color:var(--muted);box-shadow:0 8px 32px #2b335d10}
.chat-compose textarea{min-height:52px;resize:none}
.chat-compose>label{font-weight:500;font-size:11px}
.chat-compose-bottom{margin-top:6px}
.chat-compose-bottom>span{font-size:10px}
.chat-bottom{padding-top:2px}
.chat-status,.chat-error{padding-top:14px}
.shared-conversation{border-top:0}
/* Supporting material belongs to a quieter, linear rhythm. */
.conversation-room .private-capture{max-width:760px;margin-top:10px}
.conversation-room .thought-capture{padding:15px 0;border:0;border-radius:0;background:transparent;box-shadow:none}
.conversation-room .concern-grid{display:block}
.conversation-room .concern-tile{position:relative;padding:22px 36px 22px 0;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none}
.conversation-room .concern-tile h3{font-size:23px;margin-top:8px}
.conversation-room .concern-tile p{font-size:13px;margin:7px 0 9px;max-width:660px}
.conversation-room .concern-tile footer .icon{position:absolute;right:3px;top:45%}
.conversation-room .concern-tile:hover{transform:none;box-shadow:none}
.conversation-room .concern-tile:hover h3{color:var(--accent)}
.conversation-room .private-story{padding:24px 0;border:0;border-radius:0;background:transparent}
.conversation-room .private-guide{border:0;background:transparent}
.conversation-room .related-thread{border:0;border-top:1px solid var(--line);border-radius:0;background:transparent;padding:22px 0 0}
.conversation-room .topic-toolbar{border-top:0;padding-top:0;margin-bottom:14px}
.conversation-room .perspective-pair{border-top:1px solid var(--line);padding-top:24px;gap:35px}
.conversation-room .perspective-card{padding:0;background:transparent;border:0;border-radius:0;color:var(--ink)}
.conversation-room .source-perspective p{font-size:17px;line-height:1.75}
.conversation-room .source-perspective span,.conversation-room .perspective-card header small{color:var(--muted)}
.conversation-room .source-perspective+.source-perspective{border-color:var(--line)}
.conversation-room .topic-intelligence{padding:28px 0;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent}
.conversation-room .topic-plan{padding:28px 0;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent}
.conversation-room .topic-plan.agreed{background:transparent;border-color:var(--line)}
.conversation-room .ai-orb{background:transparent;border:0;border-radius:0;width:30px}
.conversation-room .intelligence-title{gap:10px}
.conversation-room .topic-add{margin:24px 0}
.conversation-room .topic-add>.button{border:0;padding-left:0;text-decoration:underline;text-underline-offset:5px}
.conversation-room .topic-add>.button:hover{background:transparent;color:var(--accent)}
/* Review is the intentional foreground layer; private/shared language stays visible. */
dialog:has(.space-exact-preview){border-radius:26px}
@media(max-width:900px){
 .chat-compose{bottom:calc(88px + env(safe-area-inset-bottom))}
 .conversation-room{max-width:760px}
 .sidebar .brand-mark{width:32px;height:32px}
}
@media(max-width:760px){
 .app-main:has(.conversation-room){padding-top:17px;padding-inline:6%}
 .conversation-room .space-room-heading{margin:22px 0 10px;gap:12px}
 .conversation-room .space-room-heading h1{font-size:32px}
 .conversation-room .space-room-heading p:not(.eyebrow){font-size:12px;max-width:220px}
 .conversation-room .space-room-heading>.boundary-tag{padding:6px 9px;font-size:10px}
 .conversation{margin-top:17px;padding:0;border-radius:0}
 .conversation-topline{min-height:48px}
 .conversation-topline>span{font-size:7px;max-width:175px;letter-spacing:.065em}
 .chat-context summary{font-size:10px;gap:6px}
 .chat-context summary span{font-size:10px;max-width:none}
 .chat-welcome{padding:24px 0 15px}
 .chat-welcome-symbol{display:none}
 .chat-welcome-symbol svg{width:40px;height:40px}
 .chat-welcome h2{font-size:38px}
 .chat-welcome>p{font-size:12px;margin:12px auto 0;max-width:250px}
 .chat-starters{display:flex;flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;margin-top:17px;padding-bottom:2px;max-width:100%}
 .chat-starters button{flex:0 0 auto;max-width:240px;font-size:11px;padding:8px 13px}
 .chat-starters button:first-child{padding-left:0}
 .chat-messages{max-height:none}
 .chat-text{font-size:15px}
 .chat-compose{padding:13px 14px 10px;border-radius:20px}
 .chat-compose-bottom>span{font-size:9px;max-width:none}
 .chat-bottom{gap:10px}
 .chat-bottom .quiet-link{min-height:44px}
 .conversation-room .perspective-pair{gap:26px}
 .conversation-room .source-perspective p{font-size:17px}
 .conversation-room .space-section-heading h2{font-size:21px}
 .conversation-room .private-story{padding:20px 0}
 dialog:has(.space-exact-preview){width:100%;max-width:100%;max-height:90dvh;margin:auto 0 0;border-radius:25px 25px 0 0;padding:25px 6% calc(25px + env(safe-area-inset-bottom))}
}
@media(max-width:360px){
 .chat-welcome h2{font-size:34px}
 .chat-mode{font-size:10px;padding-inline:9px}
 .conversation-topline>span{max-width:150px;font-size:6.5px}
 .chat-bottom{flex-direction:row;align-items:center}
 .chat-bottom>span{font-size:9px;max-width:160px}
 .chat-bottom .quiet-link{font-size:9px}
}
@media(prefers-reduced-motion:reduce){.space-map .map-topic:hover{transform:none}}