/* Windows Live Messenger — interface XP revisitée, uniquement fictive */
#win-msn{width:min(1050px,calc(100vw - 26px));height:min(680px,calc(100vh - 70px));min-height:350px;overflow:hidden;max-width:calc(100vw - 12px)}
#win-msn .msn-app{height:calc(100% - 26px);padding:0;display:flex;flex-direction:column;overflow:hidden;background:#eff5fc;color:#23374b;font:13px/1.45 "Trebuchet MS",Tahoma,Verdana,sans-serif;border:0;border-radius:0}
#win-msn *,#win-msn *::before,#win-msn *::after{box-sizing:border-box}
#win-msn .msn-ribbon{height:85px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 20px;color:#fff;background:linear-gradient(115deg,#155497 0%,#287ab9 65%,#78b9e0 100%);border-bottom:3px solid #99d5fa;position:relative;overflow:hidden}
#win-msn .msn-ribbon::after{content:"✦";position:absolute;right:33%;top:-32px;font-size:100px;color:rgba(255,255,255,.09);pointer-events:none}
#win-msn .msn-logo-wrap{display:flex;align-items:center;gap:11px;min-width:0}
#win-msn .msn-logo-wrap img{width:45px;height:45px;object-fit:contain;filter:drop-shadow(0 3px 7px #0003)}
#win-msn .msn-logo-wrap strong{font-size:25px;letter-spacing:-1.2px;font-weight:800;text-shadow:0 1px 1px #0004;display:block;white-space:nowrap}
#win-msn .msn-logo-spark{color:#baf7fd;margin-left:4px}
#win-msn .msn-logo-wrap small{display:block;font-size:11px;color:#e1f2ff;letter-spacing:.01em}
#win-msn .msn-self{display:flex;align-items:center;gap:9px;background:#083e7861;border:1px solid #c4edff54;border-radius:10px;padding:8px 12px;min-width:0;position:relative}
#win-msn .msn-self-avatar{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;background:linear-gradient(125deg,#c4ddfa,#6e9fdc);color:#144b86;font-weight:800;font-size:18px;flex-shrink:0;border:2px solid #fff9}
#win-msn .msn-self strong{font-size:13px;display:block;white-space:nowrap}
#win-msn .msn-self small{font-size:11px;color:#e7f4fd;display:block;white-space:nowrap}
#win-msn .msn-presence{width:9px;height:9px;display:inline-block;border-radius:50%;background:#43bf70;border:2px solid #fff;box-shadow:0 0 0 1px #19643744;vertical-align:middle;flex-shrink:0}
#win-msn .msn-presence.msn-busy{background:#f3ab41;box-shadow:0 0 0 1px #d2843544}
#win-msn .msn-presence.msn-away{background:#f3d36b;box-shadow:0 0 0 1px #bca04844}
#win-msn .msn-presence.msn-offline{background:#9aafbe;box-shadow:none}
#win-msn .msn-demo-note{display:flex;align-items:center;gap:7px;flex-shrink:0;background:#eaf9ff;border-bottom:1px solid #c4dff0;padding:7px 18px;color:#45657c;font-size:11px}
#win-msn .msn-demo-led{width:7px;height:7px;flex-shrink:0;border-radius:50%;background:#3993b5;box-shadow:0 0 0 3px #c7eaf6}
#win-msn .msn-layout{display:grid;grid-template-columns:minmax(235px,280px) minmax(0,1fr);flex:1;min-height:0}
#win-msn .msn-roster{display:flex;flex-direction:column;min-height:0;background:#f3f8fc;border-right:1px solid #b0cde3}
#win-msn .msn-roster-heading{display:flex;justify-content:space-between;align-items:center;padding:15px 14px 8px}
#win-msn .msn-roster-heading strong{font-size:15px;color:#235788}
#win-msn .msn-roster-heading span{font-size:10px;font-weight:700;color:#8197ae}
#win-msn .msn-search{display:flex;align-items:center;gap:6px;margin:2px 12px 12px;background:#fff;border:1px solid #bfd0dc;border-radius:6px;padding:0 9px;color:#5691b7}
#win-msn .msn-search:focus-within{border-color:#3276b7;box-shadow:0 0 0 2px #2b86d41c}
#win-msn .msn-search>span{font-size:24px}
#win-msn .msn-search input{border:0;outline:0;background:transparent;width:100%;height:36px;font-size:12px;color:#254d6d;min-width:0}
#win-msn .msn-roster-filters{display:flex;gap:3px;border-bottom:1px solid #bfd0dc;padding:0 7px 10px}
#win-msn .msn-roster-filters button{border:1px solid transparent;background:transparent;color:#60819f;cursor:pointer;padding:6px 8px;border-radius:5px;font-size:11px;font-weight:700;white-space:nowrap}
#win-msn .msn-roster-filters button:hover{background:#e5f0f9}
#win-msn .msn-roster-filters button[aria-pressed=true]{color:#1462a0;background:#dceefd;border-color:#bcdaf3}
#win-msn .msn-contact-list{overflow-y:auto;overscroll-behavior:contain;flex:1;min-height:0;scrollbar-color:#b9d4e7 transparent}
#win-msn .msn-contact-item{border:0;border-bottom:1px solid #dfeaf2;background:transparent;padding:11px 12px;display:flex;gap:11px;align-items:center;text-align:left;width:100%;cursor:pointer;position:relative;color:inherit;font-family:inherit;transition:background .15s}
#win-msn .msn-contact-item:hover{background:#e2f0fb}
#win-msn .msn-contact-item[aria-current=true]{background:linear-gradient(90deg,#c9e6ff,#e5f4ff);box-shadow:inset 3px 0 0 #2785ce}
#win-msn .msn-avatar{width:41px;height:41px;flex:0 0 41px;display:inline-grid;place-items:center;background:#6f9cb8;color:#fff;border-radius:11px;font-size:14px;font-weight:800;letter-spacing:.02em;box-shadow:inset 0 0 0 2px #ffffff70,0 2px 5px #2c5a7b26;position:relative}
#win-msn .msn-avatar-status{position:absolute;bottom:-2px;right:-3px;width:12px;height:12px}
#win-msn .msn-avatar-large{width:48px;height:48px;flex-basis:48px;border-radius:13px;font-size:16px}
#win-msn .msn-contact-copy{min-width:0;flex:1}
#win-msn .msn-contact-name{font-size:12px;font-weight:800;color:#2a4a67;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#win-msn .msn-contact-handle{color:#7794aa;font-size:10px;margin-left:4px;font-weight:500}
#win-msn .msn-contact-preview{font-size:11px;color:#718699;display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;margin-top:2px}
#win-msn .msn-unread-count{display:grid;place-items:center;flex-shrink:0;border-radius:999px;background:#2985cf;color:#fff;font-weight:800;font-size:10px;width:20px;height:20px}
#win-msn .msn-roster-bottom{border-top:1px solid #c8dce9;background:#e5f2fa;display:flex;gap:5px;flex-wrap:wrap;align-items:center;padding:9px 12px;color:#57758d;font-size:10px;flex-shrink:0}
#win-msn .msn-roster-bottom small{display:block;flex-basis:100%;font-size:10px;color:#839bb0}
#win-msn .msn-empty-contacts{padding:30px 15px;text-align:center;color:#7390a7;line-height:1.6}
#win-msn .msn-conversation{min-width:0;display:flex;flex-direction:column;min-height:0;background:#fff}
#win-msn .msn-conversation-header{height:84px;flex-shrink:0;display:flex;align-items:center;gap:13px;padding:11px 19px;border-bottom:1px solid #cbdfe9;background:linear-gradient(#fbfdff,#eaf4fd)}
#win-msn .msn-conversation-person{min-width:0;flex:1}
#win-msn .msn-conversation-person strong{display:block;font-size:17px;line-height:1.3;color:#1b5f99}
#win-msn .msn-conversation-person small{display:block;color:#6f8798;font-size:11px;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#win-msn .msn-wizz{border:1px solid #f2cb8b;color:#a96f1f;border-radius:6px;background:linear-gradient(#fffcf1,#ffe5b3);padding:9px 12px;font-size:12px;font-weight:800;cursor:pointer;white-space:nowrap}
#win-msn .msn-wizz:hover{filter:brightness(1.04)}
#win-msn .msn-thread{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:18px 22px 14px;scrollbar-color:#b6d4e8 #fff;background:linear-gradient(180deg,#f9fcff 0%,#fff 100%)}
#win-msn .msn-thread-day{text-align:center;color:#8598a8;font-size:10px;letter-spacing:.09em;text-transform:uppercase;margin:1px 0 24px;font-weight:800}
#win-msn .msn-bubble-row{display:flex;gap:9px;align-items:flex-end;margin:11px 0;max-width:92%;animation:msnAppear .20s ease both}
#win-msn .msn-bubble-row.mine{margin-left:auto;flex-direction:row-reverse}
#win-msn .msn-bubble-avatar{width:25px;height:25px;flex:0 0 25px;border-radius:7px;display:grid;place-items:center;color:white;font-size:10px;font-weight:800}
#win-msn .msn-bubble-row.mine .msn-bubble-avatar{background:#4890c7}
#win-msn .msn-bubble-body{max-width:100%;min-width:0}
#win-msn .msn-bubble-meta{display:flex;gap:8px;align-items:center;font-size:10px;color:#7b94a9;margin:0 0 4px 3px}
#win-msn .msn-bubble-row.mine .msn-bubble-meta{justify-content:flex-end;margin-right:3px}
#win-msn .msn-bubble-meta strong{color:#395a75;font-size:11px}
#win-msn .msn-bubble{padding:10px 13px;border-radius:11px 11px 11px 3px;background:#f1f6fa;border:1px solid #d7e7f2;color:#293d4e;box-shadow:0 2px 8px #345f7710;line-height:1.53;white-space:pre-wrap;overflow-wrap:anywhere;max-width:590px;font-size:12px}
#win-msn .msn-bubble-row.mine .msn-bubble{background:#dff0ff;border-color:#b9dcf7;border-radius:11px 11px 3px 11px}

#win-msn .msn-typing{color:#728fa5;font-style:italic;font-size:11px;padding:7px 3px}
#win-msn .msn-composer{border-top:1px solid #c7dded;padding:9px 14px 13px;background:linear-gradient(#f3f9fe,#e3f1fd);flex-shrink:0}
#win-msn .msn-composer-top{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px;color:#517b9e;font-weight:700;margin-bottom:7px}
#win-msn .msn-composer-top small{font-weight:500;color:#7d98ae}
#win-msn #msn-message-input{display:block;border:1px solid #a8c4dc;background:#fff;width:100%;height:66px;max-height:120px;min-height:46px;border-radius:6px;resize:vertical;padding:9px 11px;line-height:1.5;font:12px/1.45 "Trebuchet MS",Tahoma,sans-serif;color:#2c475c}
#win-msn #msn-message-input:focus{outline:2px solid #a8d7f8;outline-offset:0}
#win-msn .msn-send-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px}
#win-msn .msn-send-actions span{font-size:10px;color:#859bae}
#win-msn #msn-send{background:linear-gradient(#41a8f0,#2073bd);color:#fff;border:1px solid #236ca3;border-radius:6px;padding:9px 17px;font-size:12px;font-weight:800;cursor:pointer;box-shadow:0 2px 5px #13558a30}
#win-msn #msn-send:hover{filter:brightness(1.07)}
#win-msn .msn-mobile-back{display:none;border:0;background:transparent;color:#2074b3;font-size:21px;cursor:pointer}
#win-msn .msn-sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
#win-msn.msn-shake{animation:msnShake .43s ease-in-out}
@keyframes msnShake{0%,100%{transform:translateX(0)}20%{transform:translateX(-7px)}40%{transform:translateX(7px)}60%{transform:translateX(-5px)}80%{transform:translateX(4px)}}
@keyframes msnAppear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
#win-msn .msn-unread-count[hidden]{display:none!important}
/* Le toast existant est conservé, avec contenu actualisé depuis Messenger */
.msn-toast{cursor:pointer}
.msn-toast .msn-toast-close{cursor:pointer}
@media(max-width:800px){
 #win-msn{width:calc(100vw - 16px);height:calc(100vh - 64px);min-height:320px}
 #win-msn .msn-layout{grid-template-columns:225px minmax(0,1fr)}
 #win-msn .msn-ribbon{height:67px;padding:8px 12px}
 #win-msn .msn-self small{display:none}
 #win-msn .msn-demo-note{font-size:10px;padding:6px 10px}
 #win-msn .msn-thread{padding:12px}
 #win-msn .msn-conversation-header{padding:10px;height:68px}
}
@media(max-width:550px){
 #win-msn{width:calc(100vw - 8px);height:calc(100vh - 60px);min-height:300px}
 #win-msn .msn-ribbon{height:62px}
 #win-msn .msn-self{display:none}
 #win-msn .msn-layout{display:block;position:relative}
 #win-msn .msn-roster{position:absolute;inset:0;z-index:2}
 #win-msn .msn-conversation{position:absolute;inset:0;z-index:1}
 #win-msn.msn-show-conversation .msn-roster{display:none}
 #win-msn.msn-show-conversation .msn-conversation{z-index:3}
 #win-msn .msn-mobile-back{display:block}
 #win-msn .msn-conversation-header{gap:8px}
 #win-msn .msn-conversation-person strong{font-size:14px}
 #win-msn .msn-wizz{padding:7px;font-size:11px}
 #win-msn .msn-send-actions span{display:none}
 #win-msn .msn-thread{padding:10px}
 #win-msn .msn-bubble-row{max-width:97%}
}
@media(prefers-reduced-motion:reduce){
 #win-msn.msn-shake{animation:none}
 #win-msn .msn-bubble-row{animation:none}
 #win-msn .msn-contact-item{transition:none}
}