/* Portrait phones are the primary working surface; desktop keeps its layout. */
.nav-item>.nav-label{width:auto;font-size:inherit;line-height:inherit;color:inherit}
.mobile-label{display:none}
html{scroll-padding-bottom:120px}
button{touch-action:manipulation}
.message-content{min-width:0;overflow-wrap:anywhere}
@media(max-width:820px){
  body{min-height:100svh;padding-bottom:calc(104px + env(safe-area-inset-bottom,0px));font-size:16px}
  .topbar{height:auto;min-height:76px;padding:calc(14px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 14px max(16px,env(safe-area-inset-left,0px));gap:12px;align-items:center}
  .brand{font-size:23px;letter-spacing:2px;gap:9px;flex-shrink:0}
  .brand small{display:none}
  .moon{font-size:36px}
  .top-actions{gap:2px;flex-direction:column;align-items:flex-end}
  .prototype{font-size:12px;line-height:1.5;border:0;padding:0;color:#b2bfd4}
  #inviteBtn{font-size:14px;min-height:44px;padding:6px 10px;margin-right:-10px}
  #inviteBtn span{display:inline;margin-left:6px}
  .app-layout{display:block;padding:0 max(16px,env(safe-area-inset-left,0px));max-width:680px;margin:auto}
  .sidebar{position:fixed;bottom:0;left:0;right:0;z-index:20;min-height:0;padding:0;display:block;background:rgba(10,22,43,.96);backdrop-filter:blur(20px);border-top:1px solid #b6c5de30;box-shadow:0 -8px 32px #050c201f}
  .space-name,.sidebar-bottom,.rightbar{display:none}
  nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));max-width:680px;margin:0 auto;padding:8px max(8px,env(safe-area-inset-right,0px)) calc(8px + env(safe-area-inset-bottom,0px)) max(8px,env(safe-area-inset-left,0px));gap:3px;overflow:visible}
  .nav-item{min-width:0;width:100%;min-height:60px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:7px 2px;font-size:14px;margin:0;border-radius:10px;white-space:normal;line-height:1.3;text-align:center}
  .nav-item>span:not(.nav-label){font-size:23px;line-height:1;width:24px}
  .nav-item>.mobile-label{display:block}
  .nav-item>.desktop-label,.nav-item small,.nav-divider{display:none}
  .nav-item.active{box-shadow:inset 0 2px #d7c69f;background:#b7c7de12}
  main{padding-top:14px;width:100%;max-width:none;margin:0;min-width:0}
  .view-top{display:flex;flex-wrap:wrap;gap:8px;min-height:44px;margin-bottom:20px;font-size:12px}
  #breadcrumb{flex:1;min-width:110px;line-height:1.6;color:#aebbce}
  .perspective{gap:5px;flex-shrink:0}
  .perspective>span{font-size:12px;margin-right:3px}
  .perspective button{width:44px;height:44px;font-size:14px}
  .page-heading{margin-bottom:20px}
  .eyebrow{font-size:12px;letter-spacing:1.4px}
  h1{font-size:clamp(26px,6.8vw,32px);line-height:1.55;letter-spacing:1px;margin:8px 0 10px;overflow-wrap:anywhere}
  .page-heading p{font-size:15px;line-height:1.8}
  .chat-panel{border-radius:16px;backdrop-filter:blur(10px)}
  .panel-top{padding:12px 14px;gap:10px;flex-wrap:wrap;font-size:12px}
  .messages{padding:20px 14px 12px;min-height:180px;max-height:36svh;overscroll-behavior-y:contain}
  .message{gap:9px;margin-bottom:17px}
  .avatar{width:28px;height:28px}
  .message-content{font-size:16px;line-height:1.9}
  .message.user .message-content{max-width:92%;padding:11px 14px}
  .prompts{padding:0 12px 14px;gap:8px}
  .chip{font-size:14px;min-height:44px;padding:8px 12px;line-height:1.5;text-align:left}
  .composer{margin:0 10px 10px;padding:12px;background:#0a142bdf}
  textarea,.card textarea,.plan-row textarea{font-size:16px;line-height:1.8;min-width:0;scroll-margin-block:20px}
  #chatInput{min-height:88px;max-height:180px;resize:vertical}
  .composer-bottom{font-size:12px;align-items:center;gap:12px;line-height:1.6}
  .composer-bottom>span{flex:1}
  .send{width:46px;height:46px;min-width:46px;flex-shrink:0}
  .below-chat{display:grid;grid-template-columns:minmax(0,1fr);gap:8px;margin-top:12px}
  .below-chat .secondary{grid-row:1}
  .below-chat .quiet-btn{text-align:center}
  .primary,.secondary,.quiet-btn,.back-edit,.choice button{min-height:46px;font-size:14px;line-height:1.6;padding:11px 14px}
  .back-edit{padding-left:0;margin-bottom:12px;text-align:left}
  .actions{display:flex;flex-direction:column;gap:10px;margin-top:18px}
  .actions>button{width:100%;text-align:center}
  .split,.comfort-pair,.understanding-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}
  .card,.analysis-section{padding:20px 16px;border-radius:14px;margin-bottom:16px;min-width:0}
  .card h3{font-size:20px;line-height:1.65}
  .card p,.analysis-section p,.shared-expressions p,.analysis-start p{font-size:16px;line-height:1.9}
  .card textarea{min-height:180px;margin-top:12px}
  .badge,.status-line,.analysis-version,.analysis-caption,.card .analysis-caption{font-size:13px;line-height:1.8}
  .analysis-notice{padding:14px;gap:10px}
  .analysis-notice p{font-size:13px;line-height:1.85}
  .analysis-steps{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:13px;padding-bottom:20px}
  .analysis-steps span{padding:8px 10px;background:#c6d1e409;border:1px solid var(--line);border-radius:8px}
  .section-kicker{font-size:13px;letter-spacing:0;gap:9px}
  .analysis-section h2{font-size:23px;line-height:1.7}
  .comfort-pair>div+div{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}
  .needs-pair{flex-direction:column;gap:12px;align-items:flex-start}
  .needs-pair small{font-size:13px}.needs-pair strong{font-size:17px}
  .needs-pair>span{font-size:13px;color:#a2b1c9}
  .confirmation-pair{flex-direction:column;gap:8px}
  .confirmation-pair span{font-size:14px;padding:10px 12px}
  .plan-next .primary{width:100%}
  .choice{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}
  .choice button{font-size:14px;padding:9px 4px;min-width:0;border-radius:9px}
  .plan-row strong{font-size:17px;line-height:1.8}
  .plan-row p{font-size:16px}.plan-row .status-line{font-size:13px}
  .plan-row textarea{min-height:100px}
  .footnote{margin:24px 4px 8px;font-size:13px;line-height:1.9}
  .footnote small{font-size:12px;line-height:1.8;margin-top:8px}
  dialog{width:calc(100% - 24px);max-width:520px;max-height:calc(100dvh - 32px);padding:20px;overflow-y:auto;overscroll-behavior:contain}
  .dialog-heading h2{font-size:22px;line-height:1.65;min-width:0}
  .dialog-heading button{min-width:44px;min-height:44px;margin-right:-8px}
  #modalBody p{font-size:16px;line-height:1.9;overflow-wrap:anywhere}
  #toast{bottom:calc(100px + env(safe-area-inset-bottom,0px));width:max-content;max-width:calc(100vw - 32px);font-size:14px;z-index:40;text-align:center}
  .keyboard-open .sidebar{display:none}
  .keyboard-open #toast{bottom:16px}
  .keyboard-open .messages{min-height:80px;max-height:24svh}
  .sky{background-position:65% center}
}
@media(max-width:360px){
  .view-top{align-items:flex-start}.perspective>span{display:none}
  .analysis-steps{grid-template-columns:1fr}
  .topbar{padding-left:14px;padding-right:14px}.app-layout{padding-left:12px;padding-right:12px}
  .brand{font-size:21px}.prototype{font-size:12px}
}
.space-list{display:grid;gap:10px;margin:18px 0}
.space-entry{display:flex;justify-content:space-between;gap:16px;text-align:left;width:100%;white-space:normal;overflow-wrap:anywhere}
.space-entry span{font-size:14px;flex-shrink:0}
#modal input{display:block;box-sizing:border-box;width:100%;min-height:44px;font-size:16px;color:inherit;background:rgba(255,255,255,.05);border:1px solid rgba(200,215,255,.25);border-radius:10px;padding:10px;margin-top:8px}
.perspective{white-space:normal;overflow-wrap:anywhere}
@media(max-width:600px){.top-actions{gap:8px}.top-actions .prototype{display:none}#spacesBtn,#inviteBtn{min-height:44px;font-size:14px}.space-entry{flex-direction:column;gap:4px}}