:root{--msn-blue: #2f6fd1;--msn-blue-dark: #1c4f9c;--msn-blue-light: #eaf3ff;--msn-blue-lighter: #f6faff;--msn-green: #6abf3a;--msn-border: #7da9d8;--msn-text: #1a1a1a;--msn-muted: #5b6b80}*{box-sizing:border-box}body{margin:0;font-family:Tahoma,Segoe UI,Verdana,sans-serif;font-size:12px;color:var(--msn-text);background:linear-gradient(180deg,#5b9bd5,#8fc3ef 45%,#c9e6a6);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}#root{width:100%;display:flex;justify-content:center}.msn-window{width:100%;max-width:760px;height:min(620px,90vh);display:flex;flex-direction:column;background:#fff;border:1px solid var(--msn-blue-dark);border-radius:8px 8px 6px 6px;box-shadow:0 10px 40px #00000073;overflow:hidden}.msn-titlebar{display:flex;align-items:center;gap:8px;padding:5px 8px;color:#fff;font-weight:700;background:linear-gradient(180deg,#3f8ae0,#2f6fd1 50%,#2862c0 51%,#2f74d6);border-bottom:1px solid var(--msn-blue-dark)}.msn-titlebar__icon{font-size:14px}.msn-titlebar__title{flex:1;text-shadow:0 1px 1px rgba(0,0,0,.4)}.msn-titlebar__controls{display:flex;gap:4px}.msn-titlebar__controls button{width:22px;height:20px;border:1px solid #c9ddf5;border-radius:3px;background:linear-gradient(180deg,#cfe3fb,#9cc2ee);color:#1c4f9c;font-size:10px;font-weight:700;cursor:pointer;line-height:1}.msn-titlebar__controls button:hover{filter:brightness(1.08)}.msn-titlebar__close{background:linear-gradient(180deg,#f7b1a4,#e06a55)!important;color:#fff!important;border-color:#c0432c!important}.msn-contactbar{display:flex;align-items:baseline;gap:6px;padding:6px 12px;background:var(--msn-blue-light);border-bottom:1px solid var(--msn-border)}.msn-contactbar__name{font-weight:700;color:var(--msn-blue-dark)}.msn-contactbar__email{color:var(--msn-muted)}.msn-presence{margin-left:auto;font-weight:700;padding:1px 8px;border-radius:2px}.msn-presence--on{color:#2c7d12}.msn-presence--on:before{content:"● ";color:var(--msn-green)}.msn-presence--off{color:#a33}.msn-presence--off:before{content:"○ "}.msn-toolbar{display:flex;gap:2px;padding:4px 8px;background:linear-gradient(180deg,#fefefe,#e7eef7);border-bottom:1px solid var(--msn-border);flex-wrap:wrap}.msn-toolbar__btn{display:flex;flex-direction:column;align-items:center;gap:1px;min-width:52px;padding:4px 6px;border:1px solid transparent;border-radius:3px;background:transparent;color:var(--msn-blue-dark);font-size:10px;cursor:pointer}.msn-toolbar__btn:hover{border-color:var(--msn-border);background:var(--msn-blue-light)}.msn-toolbar__icon{font-size:16px;line-height:1}.msn-body{flex:1;display:flex;min-height:0;background:var(--msn-blue-lighter)}.msn-conversation{flex:1;display:flex;flex-direction:column;min-width:0;padding:8px;gap:8px}.msn-sidebar{width:120px;padding:10px 8px;display:flex;flex-direction:column;gap:14px;background:linear-gradient(180deg,#dfecfb,#c8ddf6);border-left:1px solid var(--msn-border)}.msn-dp{text-align:center}.msn-dp__img{width:96px;height:96px;margin:0 auto;display:flex;align-items:center;justify-content:center;font-size:48px;background:#fff;border:2px solid #fff;border-radius:4px;box-shadow:0 0 0 1px var(--msn-blue-dark),0 2px 6px #00000040}.msn-dp__caption{display:block;margin-top:4px;font-weight:700;color:var(--msn-blue-dark)}.msn-messages{flex:1;overflow-y:auto;padding:8px 10px;background:#fff;border:1px solid var(--msn-border);border-radius:3px;line-height:1.5}.msn-messages__empty{color:var(--msn-muted);font-style:italic;text-align:center;margin-top:20px}.msn-msg{margin-bottom:8px}.msn-msg__head{font-size:11px}.msn-msg__user{font-weight:700}.msn-msg__says{color:var(--msn-text)}.msn-msg__time{color:var(--msn-muted);margin-left:5px}.msn-msg__text{margin-left:14px;white-space:pre-wrap;word-wrap:break-word}.msn-composer{display:flex;flex-direction:column;gap:4px}.msn-composer__user{align-self:flex-start;width:180px;padding:3px 6px;border:1px solid var(--msn-border);border-radius:3px;font:inherit}.msn-formatbar{display:flex;gap:3px;padding:3px 4px;background:linear-gradient(180deg,#fff,#eaf1fa);border:1px solid var(--msn-border);border-bottom:none;border-radius:3px 3px 0 0}.msn-formatbar button{width:24px;height:22px;border:1px solid transparent;border-radius:3px;background:transparent;cursor:pointer;font-size:13px;line-height:1}.msn-formatbar button:hover{border-color:var(--msn-border);background:var(--msn-blue-light)}.msn-composer__row{display:flex;gap:6px;align-items:stretch}.msn-composer__text{flex:1;resize:none;padding:6px 8px;border:1px solid var(--msn-border);border-radius:0 0 3px 3px;font:inherit}.msn-composer__text:focus,.msn-composer__user:focus{outline:1px solid var(--msn-blue)}.msn-composer__send{align-self:stretch;min-width:84px;padding:0 16px;color:#fff;font-weight:700;border:1px solid var(--msn-blue-dark);border-radius:4px;background:linear-gradient(180deg,#4f9be8,#2f6fd1 50%,#2862c0 51%,#3a7fda);cursor:pointer}.msn-composer__send:hover{filter:brightness(1.08)}.msn-composer__send:active{filter:brightness(.95)}@media(max-width:560px){.msn-sidebar,.msn-toolbar__label{display:none}}