/* CASTING LAB v43 chat center — existing mobile tone, desktop responsive */
.chat-center{min-height:calc(100vh - 150px);padding:12px 0 112px}
.chat-center-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 1px 17px}
.chat-center-head small{display:block;color:var(--blue);font-size:9px;font-weight:950;letter-spacing:2px}
.chat-center-head h2{font-size:28px;letter-spacing:-1.15px;margin:6px 0 0}
.chat-center-head p{font-size:10px;line-height:1.55;color:var(--muted);margin:5px 0 0}
.chat-center-head>button{width:42px;height:42px;flex:0 0 auto;border:1px solid var(--line);border-radius:50%;background:#fff;display:grid;place-items:center}
.chat-center-head>button svg{width:19px;height:19px;fill:none;stroke:#111318;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.chat-filter-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:#eaeae5;border-radius:14px;padding:4px;margin-bottom:12px}
.chat-filter-tabs button{min-width:0;border:0;border-radius:11px;background:transparent;padding:10px 6px;color:#767772;font-size:10px;font-weight:900}
.chat-filter-tabs button.active{background:#fff;color:#111318;box-shadow:0 2px 9px rgba(20,21,24,.07)}
.chat-filter-tabs span{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;margin-left:3px;border-radius:999px;background:#dedfd9;font-size:8px}
.chat-filter-tabs button.active span{background:var(--soft);color:var(--blue)}
.chat-list{display:grid;gap:8px}
.chat-list-item{width:100%;border:1px solid var(--line);border-radius:18px;background:#fff;padding:14px;text-align:left;display:grid;grid-template-columns:46px minmax(0,1fr) auto;gap:11px;align-items:center;position:relative}
.chat-list-item.is-unread{border-color:#bcc7ff;background:#f8f9ff;box-shadow:0 5px 18px rgba(54,89,232,.07)}
.chat-list-item.is-pinned:before{content:"";position:absolute;top:10px;left:10px;width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 3px #eef1ff}
.chat-list-avatar{width:46px;height:46px;border-radius:15px;background:#17191f;color:#fff;display:grid;place-items:center;font-size:15px;font-weight:950;overflow:hidden}
.chat-list-avatar img{width:100%;height:100%;object-fit:cover}
.chat-list-copy{min-width:0}
.chat-list-copy small{display:flex;align-items:center;gap:6px;color:#777974;font-size:8px;font-weight:850}
.chat-list-copy small em{font-style:normal;color:var(--blue)}
.chat-list-copy b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;letter-spacing:-.3px;margin-top:5px}
.chat-list-copy p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#747671;font-size:10px;margin:5px 0 0}
.chat-list-meta{align-self:start;text-align:right;padding-top:2px}
.chat-list-meta time{display:block;color:#999a96;font-size:8px;white-space:nowrap}
.chat-unread-dot{display:inline-flex;min-width:20px;height:20px;margin-top:8px;padding:0 5px;border-radius:999px;align-items:center;justify-content:center;background:var(--blue);color:#fff;font-size:8px;font-weight:950}
.chat-list-flags{display:flex;justify-content:flex-end;gap:4px;margin-top:7px;color:#8c8e89;font-size:9px}
.chat-empty{border:1px dashed #d4d5cf;border-radius:18px;background:#fafaf7;padding:38px 20px;text-align:center;color:#858681;font-size:10px;line-height:1.7}
.chat-empty b{display:block;color:#252622;font-size:14px;margin-bottom:5px}
.chat-empty button{border:0;border-radius:11px;background:#15171b;color:#fff;padding:11px 13px;margin-top:13px;font-size:10px;font-weight:900}
.chat-room-panel{min-height:calc(100vh - 160px);position:relative;display:flex;flex-direction:column}
.chat-room-panel[hidden]{display:none}
.chat-room-head{min-height:65px;display:grid;grid-template-columns:42px minmax(0,1fr) 42px;gap:10px;align-items:center;border-bottom:1px solid #e5e5df;position:relative}
.chat-room-head>div:not(.chat-room-menu){min-width:0}
.chat-room-head h2{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:16px;letter-spacing:-.45px;margin:0}
.chat-room-head p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:9px;margin:4px 0 0}
.chat-room-back,.chat-room-menu-button{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:#fff;display:grid;place-items:center}
.chat-room-back svg{width:19px;height:19px;fill:none;stroke:#111318;stroke-width:2}
.chat-room-menu-button{font-size:14px;font-weight:950;letter-spacing:1px}
.chat-room-menu{position:absolute;right:0;top:59px;z-index:12;width:172px;padding:6px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 15px 38px rgba(20,21,24,.16)}
.chat-room-menu[hidden]{display:none}
.chat-room-menu button{width:100%;border:0;border-radius:9px;background:#fff;padding:11px 10px;text-align:left;font-size:10px;font-weight:850}
.chat-room-menu button:hover{background:#f4f4f0}
.chat-room-menu button.danger{color:#b94141}
.chat-room-brief{display:none;margin:12px 0 0;border-radius:13px;background:#eef1ff;color:#2946bd;padding:11px 12px;white-space:pre-line;font-size:9px;line-height:1.55}
.chat-room-brief.show{display:block}
.chat-room-messages{flex:1;min-height:360px;max-height:calc(100vh - 340px);overflow-y:auto;padding:18px 1px;display:flex;flex-direction:column;gap:7px;overscroll-behavior:contain}
.chat-message{display:flex;flex-direction:column;align-items:flex-start}
.chat-message.mine{align-items:flex-end}
.chat-message-bubble{max-width:82%;border-radius:5px 16px 16px 16px;background:#fff;border:1px solid #e3e3de;padding:10px 12px;color:#282a26;font-size:11px;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}
.chat-message.mine .chat-message-bubble{border-color:#3659e8;border-radius:16px 5px 16px 16px;background:var(--blue);color:#fff}
.chat-message time{color:#999a96;font-size:8px;margin-top:4px}
.chat-room-compose{position:sticky;bottom:88px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;background:var(--paper);padding:9px 0 2px}
.chat-room-compose input{min-width:0;border:1px solid #d7d8d2;border-radius:14px;background:#fff;padding:13px 14px;outline:none;font-size:11px}
.chat-room-compose input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(54,89,232,.1)}
.chat-room-compose button{border:0;border-radius:13px;background:#15171b;color:#fff;padding:0 17px;font-size:10px;font-weight:950}
.chat-room-compose button:disabled{opacity:.45}
.chat-nav-icon{position:relative;display:grid;place-items:center}
.chat-nav-badge{position:absolute;right:-10px;top:-7px;display:flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border:2px solid #fff;border-radius:999px;background:#ef4e4e;color:#fff;font-size:8px;font-weight:950;line-height:1}
.chat-nav-badge[hidden]{display:none}
.chat-live-notice{position:fixed;z-index:110;left:50%;bottom:96px;width:min(calc(100% - 28px),402px);transform:translate(-50%,18px);opacity:0;pointer-events:none;transition:.22s;border:0;border-radius:16px;background:#16181d;color:#fff;padding:13px 15px;text-align:left;box-shadow:0 15px 42px rgba(0,0,0,.23)}
.chat-live-notice.show{transform:translate(-50%,0);opacity:1;pointer-events:auto}
.chat-live-notice b{display:block;font-size:11px}
.chat-live-notice span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#c9ccd4;font-size:9px;margin-top:4px}

@media(min-width:1024px){
  .chat-center{padding:30px 0 40px;min-height:calc(100vh - 150px)}
  .chat-list-panel{max-width:980px;margin:0 auto}
  .chat-center-head{padding:12px 0 23px}
  .chat-center-head h2{font-size:36px}
  .chat-center-head p{font-size:12px}
  .chat-filter-tabs{width:390px;margin-bottom:18px}
  .chat-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .chat-list-item{min-height:92px;padding:17px;border-radius:20px}
  .chat-list-copy b{font-size:15px}
  .chat-list-copy p{font-size:11px}
  .chat-room-panel{width:min(100%,920px);min-height:calc(100vh - 160px);margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line);background:#f8f8f5;padding:0 28px}
  .chat-room-head{min-height:76px}
  .chat-room-head h2{font-size:18px}
  .chat-room-messages{max-height:calc(100vh - 315px);padding:24px 0}
  .chat-message-bubble{max-width:68%;font-size:12px;padding:11px 14px}
  .chat-room-compose{bottom:0;padding:12px 0 18px;background:#f8f8f5}
  .chat-live-notice{bottom:28px;width:390px}
}