/* Official Telegram-iOS title/avatar constants, scoped to the existing header.
   Keyboard positioning and safe-area geometry remain in chat-panels/mobile.css. */
.chat-screen .phone-head{font-family:-apple-system,BlinkMacSystemFont,'SF Pro Text',system-ui,sans-serif;font-synthesis:none;}
.chat-screen .phone-head>.round-icon{width:44px;height:44px;min-width:44px;flex:0 0 44px;}
.chat-screen .phone-head>.round-icon:first-child{padding:7px;}
.telegram-header-back{display:block;width:30px;height:30px;flex-shrink:0;background:currentColor;mask:url('/assets/telegram-header/back.svg') center/30px 30px no-repeat;-webkit-mask:url('/assets/telegram-header/back.svg') center/30px 30px no-repeat;}
.chat-screen .phone-head .chat-identity{height:44px;min-height:44px;border-radius:22px;padding:0 12px;}
.chat-screen .phone-head .chat-identity strong{font-size:17px;line-height:20px;font-weight:600;letter-spacing:0;font-variant-numeric:tabular-nums;}
.chat-screen .phone-head .chat-identity small{font-size:12px;line-height:14px;font-weight:400;letter-spacing:0;}
.chat-screen .phone-head .peer-status[data-presence="offline"]{color:var(--header-status-inactive,rgba(0,0,0,.5));}
.chat-screen .phone-head .peer-status[data-presence="online"],
.chat-screen .phone-head .peer-status[data-presence="typing"]{color:var(--accent);}
.chat-screen .phone-head>.round-icon:last-child{padding:3px;background:var(--header-avatar-fill,rgba(255,255,255,.7));box-shadow:none;}
.chat-screen .phone-head>.round-icon:last-child .avatar{width:38px;height:38px;min-width:38px;border:0;box-shadow:none;}