/* UI253: shared chat density. Existing viewport owners and theme tokens retained. */
:root[data-design] body.ui127-chat .main>#page{padding:12px 16px 8px!important}
:root[data-design] body.ui127-chat #page .c253-list-head{display:flex;align-items:center;gap:6px;padding:8px 10px;border-bottom:1px solid var(--line);flex-shrink:0;background:var(--surface)}
.c253-list-head>strong{flex:1;min-width:0;font-size:16px}
:root[data-design] body.ui127-chat #page .c253-list-head button{min-height:44px;padding:8px;flex-shrink:0}
:root[data-design] body.ui127-chat #page .c253-list-head [data-do=secure-keys]{width:44px}
:root[data-design] body.ui127-chat #page .chat-list .u127-tabs{width:100%;margin:0;padding:4px;border-radius:0;flex-shrink:0;min-height:44px}
:root[data-design] body.ui127-chat #page .chat-list .u127-tabs button{padding:6px 10px;font-size:12px!important;min-height:36px}
:root[data-design] body.ui127-chat #page .u127-search{padding:8px 10px;flex-shrink:0}
:root[data-design] body.ui127-chat #page .chat-list .u127-row{min-height:76px!important;padding:10px 8px!important;gap:8px!important}
:root[data-design] body.ui127-chat #page .u127-row-meta{margin-top:2px}
:root[data-design] body.ui127-chat #page .u127-head{min-height:60px!important;padding:8px 12px!important;gap:8px}
:root[data-design] body.ui127-chat #page .messages{padding:12px 16px!important;gap:10px!important}
:root[data-design] body.ui127-chat #page .compose{padding:8px 12px!important;flex-shrink:0}
:root[data-design] body.ui127-chat #page .compose textarea{min-height:44px!important;font-size:16px!important}
:root[data-design] body.crm-partner-page #page>.page-head{margin-bottom:8px!important}
:root[data-design] body.crm-partner-page #page>.page-head h1{font-size:20px!important;margin:0!important}
:root[data-design] body.crm-partner-page #page>.page-head p{display:none}
.p115 .pc-head{min-height:60px;padding:8px 12px}
.p115 .pc-list-head{padding:8px 10px}
.p115 #new-room{width:auto;flex-basis:auto;min-width:44px}
.p115 .pc-messages{padding:12px 16px}
.p115 .pc-compose{padding:8px 12px max(8px,env(safe-area-inset-bottom))}
.p115 .pc-room-items{flex:1}
.c253-time{display:block;text-align:right;font-size:11px!important;color:var(--muted);line-height:1.4;margin-top:4px;white-space:normal}
:root[data-design] body.ui127-chat #page .c253-menu,.p115 .c253-menu{display:block;max-width:100%;margin:0;text-align:right;white-space:normal}
:root[data-design] body.ui127-chat #page .c253-menu>summary,.p115 .c253-menu>summary{display:inline-flex;align-items:center;justify-content:center;list-style:none;cursor:pointer;min-width:44px;min-height:32px;font-size:22px;line-height:1;background:transparent;border:0;border-radius:8px;color:inherit}
.c253-menu>summary::-webkit-details-marker{display:none}
:root[data-design] body.ui127-chat #page .c253-menu:not([open])>.c253-menu-actions,.p115 .c253-menu:not([open])>.c253-menu-actions{display:none!important}
:root[data-design] body.ui127-chat #page .c253-menu-actions,.p115 .c253-menu-actions{display:flex;flex-wrap:wrap;gap:4px;padding:6px 0 0;border-top:1px solid var(--line,var(--pc-line));text-align:left}
:root[data-design] body.ui127-chat #page .c253-menu-actions button,.p115 .c253-menu-actions button{display:inline-flex!important;align-items:center;gap:5px;min-height:44px!important;width:auto!important;padding:8px!important;opacity:1!important;visibility:visible!important;color:var(--ink,var(--pc-ink));background:var(--surface,var(--pc-surface));border:1px solid var(--line,var(--pc-line));border-radius:8px;font-size:12px!important;white-space:normal}
.c253-menu-actions button span{display:inline!important}
.c253-menu summary:focus-visible,.c253-menu-actions :focus-visible{outline:2px solid var(--accent,var(--pc-accent));outline-offset:2px}
@media(max-width:900px){
 :root[data-design] body.ui127-chat .main>#page{padding:8px!important}
 :root[data-design] body.ui127-chat #page .c253-list-head [data-do=chat-new]{width:44px;min-width:44px}
 :root[data-design] body.ui127-chat #page .c253-list-head [data-do=chat-new] span,.p115 #new-room span{display:none!important}
 .p115 #new-room{width:44px;flex-basis:44px}
 :root[data-design] body.ui127-chat #page .c253-menu>summary,.p115 .c253-menu>summary{min-height:44px}
 :root[data-design] body.ui127-chat #page .messages{padding:10px!important}
 :root[data-design] body.ui127-chat #page .compose{padding-bottom:max(8px,env(safe-area-inset-bottom))!important}
 :root[data-design] body.ui127-chat #page .u127-head-actions{gap:2px}
}