*{box-sizing:border-box}body{margin:0;background:#f5f7f6;color:#17324d;font-family:Arial,sans-serif}.sidebar{position:fixed;left:0;top:0;bottom:0;width:245px;background:#073f43;color:#fff;padding:25px 18px}.sidebar img{width:190px;background:#fff;border-radius:10px;padding:5px}.sidebar nav{margin-top:28px}.sidebar a{display:block;color:#dcebe8;text-decoration:none;padding:10px 12px;border-radius:9px;font-size:14px}.sidebar a:hover{background:#0d5b55}.admin-main{margin-left:245px;padding:34px;max-width:1200px}.flash{background:#dff5e6;color:#17623a;padding:12px 15px;border-radius:10px;margin-bottom:18px}.panel{background:#fff;border:1px solid #e0e7e4;border-radius:18px;padding:24px;margin-bottom:18px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.stat{background:#fff;border-radius:16px;padding:20px;border:1px solid #e0e7e4}.stat strong{font-size:30px;color:#087348}.stat span{display:block;font-size:12px;color:#687776}label{display:block;font-size:13px;font-weight:700;margin-bottom:14px}input,textarea,select{width:100%;margin-top:6px;padding:11px 12px;border:1px solid #ccd7d2;border-radius:9px;font:inherit}textarea{min-height:130px}.btn{display:inline-block;border:0;background:#087348;color:#fff;border-radius:999px;padding:11px 18px;font-weight:700;cursor:pointer;text-decoration:none}.danger{background:#a72828}.row{display:flex;gap:10px;align-items:center;justify-content:space-between;border-bottom:1px solid #edf1ef;padding:12px 0}.row:last-child{border:0}.thumb{width:100px;height:70px;object-fit:cover;border-radius:9px}.small{font-size:12px;color:#687776}.login{max-width:480px;margin:70px auto}.login img{width:250px}.gallery-admin{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.gallery-admin .item{background:#fff;border:1px solid #e0e7e4;border-radius:15px;padding:12px}.gallery-admin img{width:100%;height:180px;object-fit:cover;border-radius:10px}@media(max-width:800px){.sidebar{position:static;width:auto}.admin-main{margin-left:0;padding:20px}.grid,.stats,.gallery-admin{grid-template-columns:1fr}}
.chat-admin-layout{display:grid;grid-template-columns:320px 1fr;gap:16px;min-height:650px}
.chat-session-list,.chat-conversation{background:#fff;border:1px solid #e0e7e4;border-radius:18px;overflow:hidden}
.chat-session-list{padding:8px;overflow:auto;max-height:720px}
.chat-session{width:100%;border:0;background:#fff;text-align:left;padding:13px;border-radius:12px;cursor:pointer;border-bottom:1px solid #eef2f0}
.chat-session:hover,.chat-session.active{background:#edf8f2}
.chat-session-top{display:flex;justify-content:space-between;gap:10px;align-items:center}
.chat-session-top b{background:#087348;color:#fff;border-radius:999px;min-width:21px;height:21px;display:grid;place-items:center;font-size:10px}
.chat-session small,.chat-session span,.chat-session em{display:block}
.chat-session small{font-size:10px;color:#82908b;margin:3px 0}
.chat-session>span{font-size:11px;color:#566762}
.chat-session em{font-size:9px;color:#087348;font-style:normal;text-transform:uppercase;margin-top:5px;font-weight:700}
.chat-conversation{display:flex;flex-direction:column}
.chat-conversation-head{padding:16px 18px;border-bottom:1px solid #e8eeeb}
.chat-conversation-head strong,.chat-conversation-head span{display:block}.chat-conversation-head span{font-size:11px;color:#71807c;margin-top:3px}
.chat-messages{flex:1;padding:18px;overflow:auto;background:#f7faf8;min-height:450px;max-height:560px}
.chat-bubble{max-width:74%;margin-bottom:11px;padding:11px 13px;border-radius:16px;font-size:13px}
.chat-bubble small{display:block;font-size:9px;opacity:.65;margin-top:5px}
.chat-bubble.visitor{background:#fff;border:1px solid #e0e7e4;border-bottom-left-radius:4px}
.chat-bubble.admin{background:#087348;color:#fff;margin-left:auto;border-bottom-right-radius:4px}
.chat-reply{padding:14px;border-top:1px solid #e8eeeb}.chat-reply textarea{min-height:70px}.chat-reply-actions{display:flex;gap:8px;margin-top:8px}
.chat-empty,.chat-loading{text-align:center;color:#7b8984;padding:30px;font-size:12px}
@media(max-width:850px){.chat-admin-layout{grid-template-columns:1fr}.chat-session-list{max-height:300px}}