:root{font-family:"Microsoft YaHei",system-ui,sans-serif;color:#604c43;background:#fff9f5}*{box-sizing:border-box}body{margin:0}main{max-width:760px;margin:auto;padding:20px 18px;padding-bottom:env(safe-area-inset-bottom)}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #efd9ca;padding-bottom:14px}small{letter-spacing:2px;color:#a97b62}h1{font-size:24px;margin:8px 0}button{background:#fff;border:1px solid #efd9ca;color:#604c43;border-radius:12px;padding:12px 16px;cursor:pointer;font:inherit}button:disabled{opacity:.5;cursor:wait}input,textarea{display:block;width:100%;border:1px solid #efd9ca;background:white;color:inherit;border-radius:12px;padding:12px;font:inherit;margin:8px 0;resize:vertical}label{display:block;margin:16px 0 8px}#login{max-width:430px;margin:40px auto}#signin,#send,#remember{background:#f79b70;color:#442f26}.portrait{height:168px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse,#ffe8d8,transparent 70%);margin:12px 0}.portrait img{height:125px;width:160px;object-fit:contain}.portrait span{font-size:12px;color:#a97b62}#messages{min-height:120px;max-height:48dvh;overflow:auto;padding:8px 0}.message{max-width:90%;padding:13px 16px;background:white;border:1px solid #efd9ca;border-radius:16px;margin:10px 0;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{margin-left:auto;background:#ffeadc}#composer{display:flex;align-items:end;gap:10px;position:sticky;bottom:0;background:#fff9f5;padding:8px 0}#text{margin:0;min-height:64px}#send{flex-shrink:0}#status{font-size:12px;color:#9e7059;min-height:20px}#panel{padding:16px;background:#fff0e6;border-radius:16px}#panel p{font-size:12px}#sessions button{margin:4px}.memory{padding:12px;background:white;margin:8px 0;border-radius:12px;white-space:pre-wrap}.memory button{padding:4px 10px;margin-left:8px}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #b45c35;outline-offset:2px}[hidden]{display:none!important}@media(max-width:420px){main{padding:14px 12px}h1{font-size:21px}.portrait{height:135px}.portrait img{height:100px}#messages{max-height:43dvh}header button{padding:10px;font-size:13px}}
.message-row{display:flex;align-items:flex-start;gap:9px;margin:14px 0}.message-row.user{flex-direction:row-reverse}.chat-avatar{display:block;width:36px;height:36px;object-fit:cover;border-radius:50%;flex-shrink:0;background:#ffe8d8}.message-content{max-width:calc(100% - 48px);min-width:0}.nickname{font-size:12px;color:#a5755a;margin:0 3px 5px;overflow-wrap:anywhere}.message-row.user .nickname{text-align:right}.message-row .message{max-width:100%;margin:0;padding:12px 14px}.message-row.user .message{background:#ffeadc}.avatar-settings{display:flex;gap:16px;flex-wrap:wrap}.avatar-settings label{min-width:120px;flex:1}.avatar-settings input{font-size:12px;padding:8px}.avatar-settings .chat-avatar{width:48px;height:48px;margin:8px 0}@media(display-mode:standalone){body{padding-top:env(safe-area-inset-top)}}
#sessions{max-height:260px;overflow:auto;padding:4px 0}#sessions .session-card{display:flex;flex-direction:column;align-items:stretch;text-align:left;width:100%;margin:0 0 7px;padding:11px 13px;gap:6px}#sessions .session-card[data-selected=true]{background:#ffe7d7;border-color:#e9b99d}.session-title{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.session-date{font-size:12px;color:#aa785d}
/* Full-height conversation layout; only the message area and settings scroll. */
html,body{height:100%;overflow:hidden}main{height:var(--app-height,100dvh);min-height:0;display:flex;flex-direction:column;padding:12px 12px env(safe-area-inset-bottom)}header{position:relative;display:block;flex-shrink:0;text-align:center;padding:4px 0 10px}header>div{width:100%}header small{display:block;letter-spacing:0;font-size:12px;line-height:20px}header h1{padding:0 98px;margin:8px 0 2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:22px;line-height:32px}header #menu{position:absolute;right:0;bottom:12px;padding:8px 10px;font-size:12px}#login{flex:1;min-height:0;overflow:auto;width:100%}#companion{display:flex;flex-direction:column;position:relative;flex:1;min-height:0}.portrait{display:none!important}#messages{flex:1;min-height:0;max-height:none;overflow:auto;overscroll-behavior:contain;padding:8px 0}#composer{position:relative;bottom:auto;flex-shrink:0;margin:0;padding:8px 0 max(8px,env(safe-area-inset-bottom));border-top:1px solid #efd9ca}#text{font-size:16px;min-height:60px;max-height:140px;resize:none}#status{flex-shrink:0;min-height:0;line-height:18px;height:18px;margin:3px 0;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#panel{position:absolute;inset:0;z-index:3;overflow:auto;overscroll-behavior:contain;margin:0;padding:14px;border-radius:12px}#companion[hidden],#login[hidden],#panel[hidden]{display:none!important}@media(display-mode:standalone){body{padding-top:0}main{padding-top:max(12px,env(safe-area-inset-top))}}
main{padding-bottom:0}
.session-item{display:flex;gap:6px;align-items:stretch;margin:0 0 7px}#sessions .session-item .session-card{flex:1;min-width:0;margin:0}#sessions .session-delete{flex:0 0 46px;width:46px;margin:0;padding:8px 2px;color:#a7523d;font-size:12px;background:#fff9f5;border-color:#efd9ca}#sessions .session-delete:hover{background:#ffe1d2}#deleteNotice{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;padding:8px 0}#deleteNotice[hidden]{display:none}#undoDelete{padding:7px 10px;font-size:12px}
.deleted-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 0;font-size:12px}.deleted-row span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.deleted-row button{flex-shrink:0;font-size:12px;padding:6px 9px}#trashPanel{font-size:12px;margin:8px 0}#trashPanel summary{cursor:pointer;color:#a5755a}
/* Keep lock and settings actions together above the conversation. */
header .header-actions{position:absolute;right:0;bottom:12px;display:flex;align-items:center;gap:6px;width:auto}header .header-actions #menu,header .header-actions #lockNow{position:static;min-height:34px;padding:8px 6px;font-size:12px;line-height:16px;white-space:nowrap}header .header-actions[data-unlocked=true]~.header-identity h1{padding-left:144px;padding-right:144px}@media(max-width:359px){header .header-actions{position:static;justify-content:flex-end;margin-top:6px;float:right}header .header-actions~.header-identity{clear:both}header .header-actions[data-unlocked=true]~.header-identity h1{padding-left:0;padding-right:0}}
@media(max-width:359px){header{display:flex;flex-direction:column}header .header-identity{order:0}header .header-actions{order:1;position:static;float:none;align-self:flex-end;margin-top:6px}header .header-actions[data-unlocked=true]~.header-identity h1{padding-left:0;padding-right:0}}

/* Keep the chat inside the visible screen while the soft keyboard is open. */
body{position:relative;top:var(--viewport-top,0px)}#messages{overflow-anchor:none;scroll-padding-bottom:16px;padding-bottom:16px}
.message{font-size:17px;line-height:1.65}
.speech-play{font-size:12px;line-height:18px;padding:4px 10px;margin:5px 0 0;min-height:30px}.speech-info p{line-height:1.6}
/* Compact header: lock on the left, settings on the right, name centered. */
header{min-height:50px;padding:0 0 4px}header small{font-size:11px;line-height:16px}header h1{font-size:20px;line-height:28px;margin:0;padding:0 94px}
header .header-actions{position:absolute;inset:auto 0 4px;display:block;width:100%;height:30px;pointer-events:none;float:none;margin:0}
header .header-actions #lockNow,header .header-actions #menu{position:absolute;bottom:0;min-height:30px;padding:5px 8px;font-size:12px;line-height:18px;pointer-events:auto}
header .header-actions #lockNow{left:0;right:auto}header .header-actions #menu{right:0;left:auto}header .header-actions[data-unlocked=true]~.header-identity h1{padding:0 94px}
@media(max-width:359px){header{display:block}header .header-actions{position:absolute;inset:auto 0 4px;margin:0}header .header-actions~.header-identity{clear:none}header .header-actions[data-unlocked=true]~.header-identity h1{padding:0 90px}}

select{display:block;width:100%;font:inherit;border:1px solid #efd9ca;border-radius:12px;padding:10px;background:white;color:inherit}#speechRate{padding:0}#speechRateLabel{font-size:12px}