:root{font-family:"Times New Roman","Noto Serif SC",serif;color:#203550;background:#e6edf4;--navy:#0e2842;--blue:#155180;--gold:#c59b53;--ink:#17283e;--border:#d5dfe9;--radius:15px}
*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.52;cursor:not-allowed}a{color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #e3b365;outline-offset:2px}[hidden]{display:none!important}.boot{padding:40px;text-align:center}.app-shell{height:100dvh;min-height:580px;display:grid;grid-template-rows:67px 1fr;overflow:hidden}
.top{display:flex;align-items:center;justify-content:space-between;gap:14px;background:linear-gradient(105deg,#071e37,#123961);color:#fff;box-shadow:0 2px 11px #091f352b;padding:0 24px}.brand{display:flex;gap:12px;align-items:center;min-width:0}.brand-icon{font-size:28px;color:#f3d69c}.brand small{display:block;color:#dcb977;font-size:12px;letter-spacing:.07em}.brand strong{font-size:21px;color:#fff2d9;line-height:1.2}.top-right{display:flex;align-items:center;gap:12px}.top-right a,.top-right button,.top-right select{background:transparent;border:1px solid #577492;color:#fff;border-radius:9px;padding:8px 10px}.top-right select{max-width:140px}.top-right a{text-decoration:none;white-space:nowrap}.live-status{font-size:12px;color:#d9efdd;white-space:nowrap}.online-dot{display:inline-block;width:8px;height:8px;background:#54d997;border-radius:50%;margin-right:5px;box-shadow:0 0 0 3px #55cb8650}.user-pill{font-size:12px;max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.main{display:grid;grid-template-columns:306px minmax(0,1fr) 276px;min-height:0;background:#f0f4f8;transition:grid-template-columns .2s}.main.info-collapsed{grid-template-columns:306px minmax(0,1fr) 0px}.side{min-height:0;background:#fbfdff;border-right:1px solid var(--border);display:flex;flex-direction:column}.side-header{padding:19px 17px 13px;border-bottom:1px solid #edf1f5}.side-header h2,.details h2{margin:0;font-size:20px;color:#173550}.new-chat,.primary{background:#1767a1;color:white;border:0;border-radius:9px;padding:11px 14px;font-weight:bold}.new-chat{display:block;width:100%;margin-top:13px}.searchbar{width:100%;padding:11px 12px;border:1px solid #d5e0ea;border-radius:9px;background:#fff;margin-top:11px;font-size:14px}.history{overflow:auto;flex:1}.thread{width:100%;border:0;border-bottom:1px solid #e9eef4;background:transparent;padding:14px 17px;text-align:left;display:flex;gap:11px;color:#1a3046}.thread:hover{background:#eaf2fa}.thread.active{background:#dceaf8;box-shadow:inset 4px 0 0 #b78b44}.avatar{border-radius:50%;background:#d8e6f4;color:#1e5d8c;display:grid;place-items:center;flex:none;font-weight:bold;width:39px;height:39px;border:1px solid #b7cee0}.thread h3{margin:1px 0 5px;font-size:16px}.thread p{margin:0;font-size:13px;color:#678095;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:197px}.thread .time{margin-left:auto;font-size:11px;color:#748b9e;white-space:nowrap}.empty-list{padding:22px 17px;color:#7c8ca0;font-size:14px}.side-bottom{border-top:1px solid #e9eef4;padding:12px 17px;color:#8191a3;font-size:12px}
.chat{min-width:0;min-height:0;display:flex;flex-direction:column}.chat-header{background:#fff;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 19px;min-height:76px}.chat-id{display:flex;gap:12px;align-items:center;min-width:0}.chat-id h2{font-size:18px;margin:0;color:#183b60;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-id small{display:block;margin-top:5px;color:#70849b;font-size:12px}.pill{background:#e3f4ea;color:#22784c;font-size:12px;border-radius:25px;padding:4px 9px}.pill.closed{background:#e6e9ef;color:#68768b}.chat-tools{display:flex;align-items:center;gap:8px}.outline{background:#fff;color:#305779;border:1px solid #cadae8;border-radius:9px;padding:8px 11px}.conversation{flex:1;overflow-y:auto;background:linear-gradient(0deg,#d7e5ed,#dce8ee);padding:24px 32px;min-height:0}.msg{display:flex;margin:0 0 17px;gap:10px;align-items:flex-end}.msg.me{justify-content:flex-end}.msg-bubble{max-width:min(75%,550px);min-width:76px;padding:12px 15px;border-radius:15px 15px 15px 4px;background:#fff;box-shadow:0 2px 7px #15293c16;overflow-wrap:anywhere}.msg.me .msg-bubble{background:#d0edc4;border-radius:15px 15px 4px 15px}.msg-bubble .sender{font-size:12px;font-weight:bold;margin-bottom:4px;color:#285e81}.msg.me .sender{color:#3b7435}.msg-bubble .body{font-size:16px;white-space:pre-wrap;line-height:1.38}.msg-bubble time{display:block;text-align:right;font-size:11px;margin-top:7px;color:#718395}.msg-bubble img{display:block;max-width:100%;max-height:250px;border-radius:8px;margin-top:6px;cursor:zoom-in}.msg .avatar{width:27px;height:27px;font-size:13px}.messages-empty{text-align:center;color:#71869a;margin:40px auto;max-width:420px}.composer{background:#fff;border-top:1px solid #d1dce6;padding:12px 17px 15px}.composer .typing{display:flex;align-items:flex-end;gap:8px}.composer textarea{width:100%;resize:vertical;min-height:67px;max-height:150px;border:1px solid #c4d6e5;background:#fbfdff;border-radius:9px;padding:11px;font-size:16px}.send{padding:12px 18px;height:45px;background:#d3a257;border:0;border-radius:9px;font-weight:bold;color:#172b40;white-space:nowrap}.compose-tools{display:flex;align-items:center;gap:10px;margin-top:9px;flex-wrap:wrap}.file-btn{background:#eff5fa;color:#285c81;border:1px solid #cedde9;border-radius:9px;padding:8px 11px;font-weight:bold}.compose-note{font-size:12px;color:#7a8fa2}.photo-preview{margin-top:9px;background:#ecf3f9;border:1px dashed #9fb7c9;border-radius:9px;padding:8px;display:flex;align-items:center;gap:10px}.photo-preview img{width:65px;height:65px;object-fit:cover;border-radius:6px}.photo-preview span{font-size:13px;overflow:hidden;text-overflow:ellipsis;flex:1}.photo-preview button{background:#fff;border:1px solid #c4d4e3;padding:7px;border-radius:7px}.photo-preview button.primary{background:#1767a1;color:white}.status-line{font-size:12px;color:#3a769b;min-height:14px;margin-top:5px}.status-line.error{color:#b43a36}
.details{min-width:0;background:#fff;border-left:1px solid var(--border);overflow:auto}.details-head{padding:21px 17px 14px;border-bottom:1px solid #edf0f3}.details-content{padding:24px 19px}.profile{display:flex;align-items:center;gap:12px;margin-bottom:22px}.profile .avatar{width:54px;height:54px;font-size:22px}.profile b{color:#223e56}.info-row{padding:15px 0;border-bottom:1px solid #e9edf1}.info-row small{display:block;font-size:12px;color:#8a9ca9;margin-bottom:6px}.info-row span{color:#183957;overflow-wrap:anywhere}.verified-notice{background:#f6f8fb;border-radius:9px;padding:13px;color:#6e8292;font-size:13px;line-height:1.5;margin-top:18px}
.welcome{max-width:650px;margin:36px auto;padding:0 26px;text-align:center}.welcome h2{font-size:26px;color:#294e6b}.welcome p{color:#607c94;line-height:1.5}.panel{background:#fff;border-radius:15px;padding:22px;box-shadow:0 5px 24px #2a4d6915;border:1px solid #dbe4ed;text-align:left}.panel label{display:block;font-size:14px;color:#30536b;margin-bottom:14px;font-weight:bold}.panel input,.panel textarea{display:block;margin-top:6px;width:100%;border:1px solid #c8d7e4;padding:11px;border-radius:9px;font-size:15px;color:#153650}.panel textarea{resize:vertical;min-height:90px}.panel button.primary{width:100%}.login-form{margin-top:14px}.login-toggle{display:block;background:transparent;border:0;color:#24699c;text-decoration:underline;padding:8px 0}.login-overlay{position:fixed;inset:0;background:#00152bbb;display:grid;place-items:center;z-index:10;padding:20px}.login-modal{position:relative;width:min(420px,100%)}.close-modal{position:absolute;right:12px;top:10px;background:transparent;border:0;font-size:24px}.mobile-back{display:none}.details-cover{display:none}.bottom-actions{display:none}
@media(max-width:1080px){.main{grid-template-columns:255px minmax(0,1fr) 245px}.main.info-collapsed{grid-template-columns:255px minmax(0,1fr) 0px}.conversation{padding:20px}.user-pill{display:none}.live-status{display:none}.side-header{padding:12px}.thread{padding:13px 10px}.thread p{max-width:140px}}
@media(max-width:780px){.app-shell{min-height:0;grid-template-rows:62px 1fr}.top{padding:0 12px}.brand strong{font-size:15px}.brand-icon{font-size:24px}.brand small{font-size:10px}.top-right{gap:5px}.top-right select{padding:7px 4px;max-width:78px}.top-right a{display:none}.main{display:block;position:relative}.side{height:100%;width:100%;display:flex}.chat{display:none;height:100%;width:100%}.main.mobile-detail .side{display:none}.main.mobile-detail .chat{display:flex}.mobile-back{display:inline-flex}.chat-header{padding:9px 11px;min-height:67px}.conversation{padding:15px 12px}.msg-bubble{max-width:82%}.composer{padding:9px}.composer textarea{min-height:57px}.details{position:fixed;z-index:5;right:0;top:62px;bottom:0;box-shadow:-15px 0 45px #0003;width:min(330px,90vw);display:none}.main.mobile-info .details{display:block}.main:not(.mobile-info) .details{display:none}.main.info-collapsed .details{display:none}.details-cover{position:fixed;inset:62px 0 0;background:#001a3580;z-index:4}.main.mobile-info .details-cover{display:block}.top-right button{padding:5px}.welcome{margin:21px auto}.panel{padding:16px}}