.bd-chatroom{--bm-bg:#dfe6ee;--bm-bg-chat:#e6ebf0;--bm-surface:rgba(255,255,255,0.94);--bm-surface-soft:rgba(248,251,255,0.88);--bm-border:rgba(180,198,220,0.55);--bm-text:#0f2038;--bm-text-soft:#5a7397;--bm-text-muted:#6480a4;--bm-primary:#3390ec;--bm-primary-soft:rgba(51,144,236,0.14);--bm-bubble-in:#ffffff;--bm-bubble-out:#effdde;--bm-bubble-out-border:rgba(120,180,100,0.35);--bm-bubble-in-border:rgba(163,188,224,0.32);--bm-shadow:0 8px 22px rgba(18,42,80,0.08);--bm-shadow-out:0 4px 14px rgba(60,120,60,0.1);--bm-accent-read:#4fae4e;--bm-typing:#3390ec;--bm-transition:0.22s cubic-bezier(0.22,1,0.36,1);direction:rtl;width:min(1320px,100%);margin:0 auto;padding:20px 12px;display:grid;grid-template-rows:auto minmax(0,1fr);gap:14px;color:var(--bm-text);font-family:inherit;min-height:100dvh;height:100dvh;max-height:100dvh;overflow:hidden;background:var(--bm-bg);transition:background-color var(--bm-transition),color var(--bm-transition)}.bd-chatroom,.bd-chatroom *{box-sizing:border-box}.bd-chatroom-header,.bd-chatroom-sidebar,.bd-chatroom-thread-item,.bd-chatroom-message,.bd-chatroom-file-item,.bd-chatroom-reply,.bd-chatroom-empty,.bd-chatroom-empty-mini{backdrop-filter:saturate(165%)blur(18px);-webkit-backdrop-filter:saturate(165%)blur(18px)}.bd-chatroom-header{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:var(--bm-surface);border:1px solid var(--bm-border);border-radius:24px;padding:18px 20px;box-shadow:var(--bm-shadow);transition:background-color var(--bm-transition),border-color var(--bm-transition)}.bd-chatroom-header-main{display:flex;align-items:center;gap:14px;flex:1 1 420px;min-width:0}.bd-chatroom-brand-mark{width:54px;height:54px;border-radius:18px;display:inline-flex;align-items:center;justify-content:center;font-size:1rem;font-weight:800;color:#fff;background:linear-gradient(135deg,#3c6fbe,#5b7cf0);box-shadow:0 16px 30px rgba(60,111,190,0.25)}.bd-chatroom-header-copy{display:grid;gap:4px;min-width:0}.bd-chatroom-kicker{color:var(--bm-text-soft);font-size:0.74rem;font-weight:800;letter-spacing:0.02em}.bd-chatroom-header h2{margin:0;color:var(--bm-text);font-size:clamp(1.18rem,2vw,1.68rem)}.bd-chatroom-header p{margin:0;color:var(--bm-text-soft);font-size:0.84rem;line-height:1.9}.bd-chatroom-header-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}.bd-chatroom-header-badge{display:grid;gap:4px;padding:10px 14px;border-radius:16px;border:1px solid var(--bm-border);background:var(--bm-surface-soft);color:var(--bm-text-soft);min-width:148px}.bd-chatroom-header-badge span{font-size:0.72rem}.bd-chatroom-header-badge strong{font-size:0.88rem;color:var(--bm-text)}.bd-chatroom-layout{display:grid;grid-template-columns:minmax(270px,350px)minmax(0,1fr);gap:12px;min-height:0;height:100%;align-items:stretch;overflow:hidden}.bd-chatroom-sidebar,.bd-chatroom-main{border-radius:20px;border:1px solid var(--bm-border);background:var(--bm-surface);box-shadow:var(--bm-shadow);transition:background-color var(--bm-transition),border-color var(--bm-transition)}.bd-chatroom-sidebar{padding:14px;display:grid;grid-template-rows:auto auto auto minmax(0,1fr);gap:12px;min-height:0;max-height:100%;overflow:hidden}.bd-chatroom-sidebar-head{display:grid;gap:4px;padding:4px 2px 0}.bd-chatroom-sidebar-head strong{color:#173d6d;font-size:0.96rem}.bd-chatroom-sidebar-head span{color:#6480a4;font-size:0.74rem;line-height:1.8}.bd-chatroom-filter-row{display:flex;gap:8px}.bd-chatroom-pill{border:1px solid rgba(151,176,212,0.48);background:rgba(255,255,255,0.68);color:#355984;border-radius:999px;font-size:0.7rem;font-weight:700;padding:5px 10px;cursor:pointer;transition:all 0.2s ease}.bd-chatroom-pill:hover{border-color:rgba(83,124,185,0.55)}.bd-chatroom-pill.is-active{border-color:rgba(31,86,164,0.58);background:rgba(224,238,255,0.86);color:#1e4e91;box-shadow:inset 0 0 0 1px rgba(255,255,255,0.5)}.bd-chatroom-search-wrap input,.bd-chatroom-topbar-actions input{width:100%;border:1px solid rgba(161,185,222,0.42);background:rgba(255,255,255,0.74);border-radius:13px;padding:9px 11px;font-family:inherit;font-size:0.8rem;color:#143760;transition:border-color 0.2s ease,box-shadow 0.2s ease}.bd-chatroom-search-wrap input:focus,.bd-chatroom-topbar-actions input:focus{outline:none;border-color:rgba(63,112,183,0.6);box-shadow:0 0 0 3px rgba(56,103,172,0.14)}.bd-chatroom-thread-list{overflow:auto;padding-inline:2px 4px;display:grid;gap:8px;min-height:0;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.bd-chatroom-thread-item{border:1px solid var(--bm-border);background:var(--bm-surface-soft);border-radius:18px;padding:10px;text-align:right;cursor:pointer;display:grid;gap:6px;transition:all var(--bm-transition)}.bd-chatroom-thread-item:hover{border-color:var(--bm-primary);box-shadow:var(--bm-shadow)}.bd-chatroom-thread-item.is-active{border-color:var(--bm-primary);background:var(--bm-primary-soft);box-shadow:var(--bm-shadow);transform:translateY(-1px)}.bd-chatroom-thread-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.bd-chatroom-thread-top strong{color:#183e6c;font-size:0.86rem}.bd-chatroom-unread{min-width:22px;height:22px;border-radius:999px;background:linear-gradient(135deg,rgba(53,109,193,0.95),rgba(43,90,167,0.95));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:0.71rem;font-weight:800;padding:0 5px;box-shadow:0 8px 16px rgba(30,73,139,0.28)}.bd-chatroom-thread-info{color:#4e698d;font-size:0.75rem;line-height:1.8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bd-chatroom-thread-course{color:#2f5f98;font-size:0.7rem;font-weight:700;background:rgba(230,242,255,0.72);border:1px solid rgba(152,184,226,0.42);border-radius:999px;display:inline-flex;align-items:center;width:fit-content;max-width:100%;padding:2px 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bd-chatroom-thread-meta{color:#6b7f9f;font-size:0.7rem}.bd-chatroom-main{display:flex;flex-direction:column;min-height:0;height:100%;overflow:hidden;position:relative}.bd-chatroom-dashboard-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:16px;border-bottom:1px solid rgba(188,207,235,0.32);background:linear-gradient(180deg,rgba(255,255,255,0.78),rgba(246,251,255,0.54))}.bd-chatroom-dashboard-card{border-radius:18px;border:1px solid rgba(180,200,230,0.42);background:rgba(255,255,255,0.92);padding:14px;display:grid;gap:6px;min-height:98px;align-content:start}.bd-chatroom-dashboard-card span{color:#607799;font-size:0.72rem}.bd-chatroom-dashboard-card strong{color:#173d6d;font-size:0.92rem}.bd-chatroom-composer-meta{display:none;color:#5b7498;font-size:0.72rem;line-height:1.7}.bd-chatroom-composer-meta.is-visible{display:block}.bd-chatroom-topbar{border-bottom:1px solid rgba(188,207,235,0.32);padding:12px 14px;display:grid;grid-template-columns:minmax(0,1fr)minmax(320px,1.15fr);align-items:start;gap:10px;background:linear-gradient(180deg,rgba(255,255,255,0.76),rgba(246,251,255,0.58))}.bd-chatroom-topbar strong{display:block;color:#183c68;font-size:1rem}.bd-chatroom-topbar [data-thread-presence]{font-size:0.75rem;color:#5f7698}.bd-chatroom-topbar-actions{display:grid;gap:6px;justify-items:stretch}.bd-chatroom-thread-identity{display:flex;align-items:center;gap:10px}.bd-chatroom-thread-avatar{width:46px;height:46px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(60,111,190,0.14),rgba(91,124,240,0.18));color:#214e8b;font-size:0.98rem;font-weight:800;border:1px solid rgba(182,204,237,0.72);position:relative}.bd-chatroom-thread-avatar.is-online::after{content:'';position:absolute;bottom:-2px;inset-inline-end:-2px;width:12px;height:12px;border-radius:50%;background:#22b878;border:2px solid #fff;box-shadow:0 2px 6px rgba(20,130,80,0.35)}.bd-chatroom-thread-summary{display:grid;gap:4px}.bd-chatroom-search-inline{display:block}.bd-chatroom-action-group{display:flex;flex-wrap:wrap;gap:6px}.bd-chatroom-action-group-primary{justify-content:flex-start}.bd-chatroom-action-group-secondary{justify-content:flex-start}.bd-chatroom-pinned,.bd-chatroom-typing{display:none;padding:8px 12px;border-bottom:1px solid rgba(193,210,235,0.32)}.bd-chatroom-pinned.is-visible{display:flex;align-items:center;gap:6px;overflow-x:auto}.bd-chatroom-pinned-item{flex:0 0 auto;background:linear-gradient(145deg,rgba(255,255,255,0.86),rgba(248,252,255,0.76));border:1px solid rgba(173,194,226,0.38);color:#426086;border-radius:999px;padding:5px 11px;font-size:0.73rem;white-space:nowrap;cursor:pointer}.bd-chatroom-typing{font-size:0.72rem;color:#51719b;min-height:0;line-height:1.8}.bd-chatroom-typing.is-visible{display:flex;align-items:center;gap:8px;min-height:34px;color:var(--bm-typing);animation:bdChatroomTypingFade 0.22s ease}.bd-chatroom-typing-dots{display:inline-flex;align-items:center;gap:3px}.bd-chatroom-typing-dots span{width:5px;height:5px;border-radius:50%;background:var(--bm-typing);animation:bmTypingDot 1.2s ease-in-out infinite}.bd-chatroom-typing-dots span:nth-child(2){animation-delay:0.15s}.bd-chatroom-typing-dots span:nth-child(3){animation-delay:0.3s}@keyframes bmTypingDot{0%,60%,100%{transform:translateY(0);opacity:0.45}30%{transform:translateY(-4px);opacity:1}}@keyframes bdChatroomTypingFade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.bd-chatroom-messages{flex:1 1 auto;min-height:0;overflow:auto;padding:14px;display:grid;gap:6px;align-content:start;background:var(--bm-bg-chat);overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scroll-behavior:smooth}.bd-chatroom-message{max-width:min(78%,560px);border:1px solid var(--bm-bubble-in-border);border-radius:16px 16px 16px 4px;background:var(--bm-bubble-in);padding:9px 12px 7px;display:grid;gap:5px;justify-self:start;box-shadow:var(--bm-shadow);position:relative;transition:box-shadow var(--bm-transition),transform var(--bm-transition),background-color var(--bm-transition);animation:bmMessageIn 0.22s cubic-bezier(0.22,1,0.36,1)}.bd-chatroom-message::after{content:'';position:absolute;bottom:0;inset-inline-start:-5px;width:10px;height:10px;background:var(--bm-bubble-in);border-inline-start:1px solid var(--bm-bubble-in-border);border-bottom:1px solid var(--bm-bubble-in-border);border-end-start-radius:10px;clip-path:polygon(100% 0,0 100%,100% 100%)}@keyframes bmMessageIn{from{opacity:0;transform:translateY(6px)scale(0.98)}to{opacity:1;transform:translateY(0)scale(1)}}.bd-chatroom-message.is-actions-open{z-index:40}.bd-chatroom-message.is-me{justify-self:end;background:var(--bm-bubble-out);border-color:var(--bm-bubble-out-border);border-radius:16px 16px 4px 16px;box-shadow:var(--bm-shadow-out)}.bd-chatroom-message.is-me::after{inset-inline-start:auto;inset-inline-end:-5px;background:var(--bm-bubble-out);border-inline-start:none;border-inline-end:1px solid var(--bm-bubble-out-border);border-bottom:1px solid var(--bm-bubble-out-border);border-end-start-radius:0;border-end-end-radius:10px;clip-path:polygon(0 0,0 100%,100% 100%)}.bd-chatroom-message.is-me .bd-chatroom-message-head{display:none}.bd-chatroom-message.is-pending{opacity:0.82}.bd-chatroom-message.is-failed{border-color:rgba(189,93,93,0.5);box-shadow:0 10px 22px rgba(173,83,83,0.12)}.bd-chatroom-message.is-flash{animation:bdChatroomFlash 0.75s ease}@keyframes bdChatroomFlash{0%{box-shadow:0 0 0 0 rgba(57,106,175,0.45)}100%{box-shadow:0 0 0 12px rgba(57,106,175,0)}}.bd-chatroom-message-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:0.71rem;color:var(--bm-text-soft)}.bd-chatroom-message-head strong{color:var(--bm-text);font-weight:700}.bd-chatroom-message-body{display:grid;gap:6px}.bd-chatroom-message-reply{appearance:none;width:100%;border:1px solid rgba(166,191,226,0.42);border-inline-start:3px solid rgba(76,121,188,0.62);background:rgba(241,247,255,0.82);border-radius:10px;padding:5px 8px;font-size:0.74rem;color:#3e628f;text-align:right;cursor:pointer;transition:transform 0.18s ease,border-color 0.18s ease,box-shadow 0.18s ease}.bd-chatroom-message-reply:hover{transform:translateY(-1px);border-color:rgba(89,133,194,0.58);box-shadow:0 8px 16px rgba(32,73,132,0.1)}.bd-chatroom-message-quote{margin:0;border-inline-start:3px solid rgba(117,148,195,0.62);background:rgba(242,248,255,0.8);border-radius:10px;padding:5px 8px;font-size:0.74rem;color:#3f5f85}.bd-chatroom-forwarded{font-size:0.72rem;color:#4d6d98}.bd-chatroom-message-content{color:#1f3e65;font-size:0.78rem;line-height:1.85;word-break:break-word;display:grid;gap:6px}.bd-chatroom-image{width:min(360px,100%);max-height:360px;object-fit:cover;border-radius:12px;border:1px solid rgba(166,190,224,0.42);display:block;background:rgba(255,255,255,0.72)}.bd-chatroom-attachment{color:#245a9c;font-size:0.77rem;text-decoration:none;width:fit-content;font-weight:700}.bd-chatroom-attachment:hover{text-decoration:underline}.bd-chatroom-message-content audio{width:min(380px,100%);border-radius:16px;background:rgba(255,255,255,0.82);outline:none;box-shadow:0 4px 14px rgba(20,50,100,0.1)}.bd-chatroom-message-footer{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:nowrap;margin-top:2px}.bd-chatroom-message-time{font-size:0.66rem;color:var(--bm-text-muted);white-space:nowrap;line-height:1}.bd-chatroom-receipt{color:var(--bm-text-muted);font-size:0.72rem;letter-spacing:0.2px;display:inline-flex;align-items:center;gap:2px;line-height:1;transition:color var(--bm-transition)}.bd-chatroom-message.is-me .bd-chatroom-receipt{color:var(--bm-text-muted)}.bd-chatroom-receipt.is-sent{color:var(--bm-text-muted)}.bd-chatroom-receipt.is-delivered{color:#6a8ab0}.bd-chatroom-receipt.is-pending{color:var(--bm-text-soft);animation:bmReceiptPulse 1.2s ease-in-out infinite}.bd-chatroom-receipt.is-failed{color:#b54747}@keyframes bmReceiptPulse{0%,100%{opacity:0.55}50%{opacity:1}}.bd-chatroom-message-actions-wrap{position:relative}.bd-chatroom-message-actions-trigger{border:1px solid rgba(156,183,220,0.48);background:linear-gradient(145deg,rgba(255,255,255,0.8),rgba(246,251,255,0.64));color:#315580;border-radius:11px;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all 0.2s ease}.bd-chatroom-message-actions-trigger:hover{border-color:rgba(74,119,184,0.6);color:#235493}.bd-chatroom-message-actions-trigger svg{width:16px;height:16px;display:block}.bd-chatroom-message-actions{position:absolute;bottom:calc(100%+6px);top:auto;inset-inline-end:0;min-width:140px;display:grid;gap:6px;padding:8px;border:1px solid rgba(167,191,224,0.42);border-radius:12px;background:linear-gradient(145deg,rgba(255,255,255,0.88),rgba(246,251,255,0.74));box-shadow:0 14px 26px rgba(19,45,83,0.16);backdrop-filter:saturate(165%)blur(18px);-webkit-backdrop-filter:saturate(165%)blur(18px);pointer-events:none;opacity:0;transform:translateY(-4px);z-index:6;transition:opacity 0.16s ease,transform 0.16s ease}.bd-chatroom-message-actions-wrap.is-open .bd-chatroom-message-actions{opacity:1;pointer-events:auto;transform:translateY(0)}.bd-chatroom-analysis-overlay{position:fixed;inset:0;z-index:999999;display:flex;align-items:center;justify-content:center;padding:18px;background:rgba(15,32,56,0.42);backdrop-filter:saturate(160%)blur(10px);-webkit-backdrop-filter:saturate(160%)blur(10px)}.bd-chatroom-analysis-overlay[hidden]{display:none !important}.bd-chatroom-analysis-modal{width:min(860px,100%);max-height:min(78vh,720px);overflow:hidden;border-radius:18px;background:linear-gradient(145deg,rgba(255,255,255,0.98),rgba(242,248,255,0.94));color:#173d6d;border:1px solid rgba(180,198,220,0.55);box-shadow:0 26px 70px rgba(18,42,80,0.18)}.bd-chatroom-analysis-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid rgba(180,198,220,0.42);background:rgba(255,255,255,0.72)}.bd-chatroom-analysis-title{font-size:14px;font-weight:700;color:#173d6d}.bd-chatroom-analysis-close{appearance:none;border:1px solid rgba(161,186,222,0.5);background:rgba(255,255,255,0.88);color:#285280;padding:8px 10px;border-radius:10px;cursor:pointer;font:inherit}.bd-chatroom-analysis-close:hover{background:rgba(234,244,255,0.94);border-color:rgba(56,114,190,0.62)}.bd-chatroom-analysis-body{margin:0;padding:14px 16px 16px;white-space:pre-wrap;word-break:break-word;overflow:auto;max-height:calc(min(78vh,720px)- 58px);line-height:1.8;font-size:13px;color:#2f4f78;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}@media(max-width:1024px){.bd-chatroom-message-actions{position:fixed;inset-inline:12px;bottom:12px;top:auto;transform:translateY(12px);max-width:none;min-width:0}.bd-chatroom-message-actions-wrap.is-open .bd-chatroom-message-actions{transform:translateY(0)}}.bd-chatroom-action-btn,.bd-chatroom-btn{border:1px solid rgba(148,178,220,0.5);background:linear-gradient(145deg,rgba(255,255,255,0.88),rgba(242,249,255,0.72));color:#285280;border-radius:11px;font-size:0.72rem;font-weight:700;padding:5px 10px;min-height:34px;cursor:pointer;transition:all 0.2s cubic-bezier(0.22,1,0.36,1);display:inline-flex;align-items:center;gap:5px;letter-spacing:0.01em}.bd-chatroom-btn svg{width:14px;height:14px;flex-shrink:0;display:block}.bd-chatroom-action-btn{width:100%;text-align:right}.bd-chatroom-action-btn:hover,.bd-chatroom-btn:hover{border-color:rgba(56,114,190,0.62);background:rgba(234,244,255,0.94);color:#1a4a88;transform:translateY(-1px);box-shadow:0 6px 16px rgba(30,70,148,0.1)}.bd-chatroom-btn-cancel{width:30px;min-width:30px;height:30px;padding:0;color:#9f3c3c;border-color:rgba(186,112,112,0.52);background:linear-gradient(145deg,rgba(255,244,244,0.92),rgba(254,236,236,0.82))}.bd-chatroom-btn-cancel:hover{color:#8b2d2d;border-color:rgba(173,80,80,0.64)}.bd-chatroom-btn-cancel svg{width:14px;height:14px;display:block}.bd-chatroom-btn.is-primary{background:linear-gradient(135deg,rgba(55,118,210,0.95),rgba(38,90,172,0.96));border-color:rgba(42,90,158,0.72);color:#fff;box-shadow:0 10px 22px rgba(28,72,148,0.28)}.bd-chatroom-btn.is-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 28px rgba(28,72,148,0.36);color:#fff}.bd-chatroom-btn.is-loading{opacity:0.75;pointer-events:none;position:relative}.bd-chatroom-btn.is-loading::after{content:'';position:absolute;inset:50% 50%;width:16px;height:16px;margin:-8px 0 0 -8px;border:2px solid rgba(255,255,255,0.35);border-top-color:#fff;border-radius:50%;animation:bdChatroomSpin 0.7s linear infinite}@keyframes bdChatroomSpin{to{transform:rotate(360deg)}}.bd-chatroom-upload-label,[data-chatroom-voice]{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(161,186,222,0.5);border-radius:11px;min-width:36px;height:36px;cursor:pointer;color:#3e6492;background:linear-gradient(145deg,rgba(255,255,255,0.9),rgba(244,250,255,0.76));transition:all 0.2s cubic-bezier(0.22,1,0.36,1);box-shadow:0 2px 8px rgba(30,60,120,0.08)}.bd-chatroom-upload-label:hover,[data-chatroom-voice]:hover:not(.is-recording){background:rgba(238,246,255,0.96);border-color:rgba(100,150,220,0.55);transform:scale(1.06)}.bd-chatroom-upload-label svg,[data-chatroom-voice] svg{width:15px;height:15px;display:block}.bd-chatroom-upload-label.is-attached{border-color:rgba(44,120,82,0.52);color:#236046;background:linear-gradient(145deg,rgba(232,252,240,0.9),rgba(224,248,234,0.78));box-shadow:0 2px 8px rgba(24,110,64,0.1)}[data-chatroom-voice].is-recording{border-color:rgba(196,56,56,0.56);color:#9a2f2f;background:linear-gradient(145deg,rgba(255,236,236,0.94),rgba(255,224,224,0.82));box-shadow:0 0 0 3px rgba(220,68,68,0.12);animation:bdVoiceRecordPulse 1s ease-in-out infinite}@keyframes bdVoiceRecordPulse{0%,100%{box-shadow:0 0 0 3px rgba(220,68,68,0.12)}50%{box-shadow:0 0 0 5px rgba(220,68,68,0.2)}}.bd-chatroom-files{flex:0 0 auto;border-top:1px solid rgba(185,206,234,0.32);padding:8px 12px;display:none;gap:8px;max-height:184px;overflow:auto}.bd-chatroom-files.is-open{display:grid}.bd-chatroom-file-item{border:1px solid rgba(166,190,224,0.34);background:linear-gradient(145deg,rgba(255,255,255,0.84),rgba(246,251,255,0.68));border-radius:12px;padding:8px 9px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.bd-chatroom-file-item a{color:#245c9f;text-decoration:none;font-size:0.77rem;font-weight:700}.bd-chatroom-file-item a:hover{text-decoration:underline}.bd-chatroom-file-item span{color:#5f789d;font-size:0.71rem}.bd-chatroom-composer{flex:0 0 auto;position:relative;margin-top:auto;border-top:1px solid var(--bm-border);padding:12px 14px calc(12px+env(safe-area-inset-bottom));display:grid;gap:8px;background:var(--bm-surface);box-shadow:0 -8px 24px rgba(18,42,80,0.06);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:background-color var(--bm-transition),border-color var(--bm-transition)}.bd-chatroom-reply{border:1px solid rgba(161,187,222,0.44);background:linear-gradient(145deg,rgba(241,248,255,0.82),rgba(233,243,255,0.7));border-radius:12px;padding:7px 9px;display:flex;align-items:center;justify-content:space-between;gap:8px}.bd-chatroom-reply-preview{color:#3c618e;font-size:0.74rem;line-height:1.7}.bd-chatroom-reply-close{border:none;background:transparent;color:#8d3a3a;font-size:0.73rem;font-weight:700;cursor:pointer}.bd-chatroom-compose-row{display:flex;align-items:flex-end;gap:4px;padding:5px 6px 5px 10px;border-radius:22px;border:1px solid var(--bm-border);background:#ffffff;box-shadow:inset 0 1px 2px rgba(18,42,80,0.04);transition:border-color var(--bm-transition),box-shadow var(--bm-transition)}.bd-chatroom-compose-row:focus-within{border-color:var(--bm-primary);box-shadow:0 0 0 3px var(--bm-primary-soft)}.bd-chatroom-compose-row textarea{resize:none;flex:1 1 auto;min-width:0;min-height:38px;max-height:150px;line-height:1.75;border:none;background:transparent;padding:8px 4px;outline:none;box-shadow:none;writing-mode:horizontal-tb;word-break:normal;overflow-wrap:break-word;unicode-bidi:plaintext}.bd-chatroom-compose-actions{display:flex;align-items:center;gap:2px;flex-wrap:nowrap;justify-content:flex-end;flex-shrink:0}.bd-chatroom-compose-actions .bd-chatroom-btn{min-width:38px;height:38px;padding:0;border-radius:50%;display:inline-flex;align-items:center;justify-content:center}.bd-chatroom-compose-actions .bd-chatroom-btn.is-primary{min-width:42px;height:42px;border-radius:50%}.bd-chatroom-upload-label{width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--bm-text-soft);transition:color var(--bm-transition),background-color var(--bm-transition)}.bd-chatroom-upload-label:hover{color:var(--bm-primary);background:var(--bm-primary-soft)}.bd-chatroom-status{display:none;min-height:18px;font-size:0.73rem;color:#2f629a}.bd-chatroom-status.is-visible{display:block}.bd-chatroom-status.is-error{color:#ad3a3a}.bd-chatroom-status.is-success{color:#2b7f56}.bd-chatroom-empty,.bd-chatroom-empty-mini{border:1px solid rgba(160,186,222,0.38);background:linear-gradient(145deg,rgba(255,255,255,0.82),rgba(246,251,255,0.68));color:#59739a;border-radius:13px;padding:10px;text-align:center;font-size:0.76rem}.bd-chatroom-composer.is-dragover,.bd-chatroom-composer[data-chatroom-dropzone].is-dragover{border:1px dashed rgba(70,116,181,0.72);background:linear-gradient(150deg,rgba(233,244,255,0.88),rgba(222,238,255,0.72))}@media(max-width:1120px){.bd-chatroom-layout{grid-template-columns:minmax(240px,310px)minmax(0,1fr)}.bd-chatroom-topbar{grid-template-columns:1fr}.bd-chatroom-message{max-width:92%}}@media(max-width:1024px){.bd-chatroom-layout{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr);min-height:0;height:100%}.bd-chatroom-header{padding:16px 18px;gap:14px}.bd-chatroom-header-actions{width:100%;justify-content:space-between}.bd-chatroom-sidebar{max-height:min(34vh,290px);min-height:0;padding:12px}.bd-chatroom-main{min-height:0;height:100%;overflow:hidden;position:relative}.bd-chatroom-dashboard-strip,.bd-chatroom-guidance{padding:10px;gap:8px}.bd-chatroom-dashboard-card,.bd-chatroom-guidance-card,.bd-chatroom-policy-note{border-radius:14px;padding:12px}.bd-chatroom-topbar{padding:12px;border-bottom-color:rgba(188,207,235,0.24)}.bd-chatroom-thread-avatar{width:42px;height:42px;border-radius:14px;font-size:0.92rem}.bd-chatroom-thread-summary strong{font-size:0.92rem}.bd-chatroom-score-strip,.bd-chatroom-thread-scores{gap:6px}.bd-chatroom-score-chip{padding:4px 8px;font-size:0.66rem}.bd-chatroom-messages{padding:12px;gap:8px}.bd-chatroom-message{max-width:96%;border-radius:16px}.bd-chatroom-composer{position:relative;left:auto;right:auto;width:auto;max-width:none;margin-inline:0;bottom:auto;z-index:auto;transform:none;will-change:auto}.bd-chatroom.is-mobile-floating-composer-active .bd-chatroom-composer{position:fixed;left:8px;right:8px;width:auto;max-width:min(1320px,calc(100vw - 16px));margin-inline:auto;bottom:calc(max(8px,env(safe-area-inset-bottom))+var(--bd-vp-offset,0px));z-index:9999;border:1px solid rgba(169,192,223,0.5);border-radius:16px;box-shadow:0 18px 34px rgba(20,43,79,0.2);backdrop-filter:saturate(165%)blur(16px);-webkit-backdrop-filter:saturate(165%)blur(16px);background:linear-gradient(160deg,rgba(251,253,255,0.94),rgba(242,248,255,0.88));transform:translateZ(0);will-change:bottom;padding:10px 12px calc(10px+env(safe-area-inset-bottom));gap:6px}.bd-chatroom.is-mobile-floating-composer-active .bd-chatroom-composer.is-floating-mobile{display:grid;visibility:visible}.bd-chatroom.is-mobile-floating-composer-active .bd-chatroom-messages{padding-bottom:calc(var(--bd-mobile-composer-space,164px)+14px+env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch}.bd-chatroom-compose-row,.bd-chatroom.is-mobile-floating-composer-active .bd-chatroom-compose-row{flex-direction:column;align-items:stretch;gap:8px;padding:8px 10px}.bd-chatroom-compose-row textarea,.bd-chatroom.is-mobile-floating-composer-active .bd-chatroom-compose-row textarea{width:100%;min-width:100%;flex:none;max-height:110px;min-height:44px;padding:10px 12px;font-size:0.84rem;line-height:1.75}.bd-chatroom-compose-actions,.bd-chatroom.is-mobile-floating-composer-active .bd-chatroom-compose-actions{width:100%;display:flex;flex-wrap:nowrap;align-items:center;justify-content:flex-end;gap:6px}.bd-chatroom-compose-actions .bd-chatroom-upload-label,.bd-chatroom-compose-actions [data-chatroom-voice],.bd-chatroom-compose-actions [data-chatroom-cancel-attachment]{flex:0 0 auto}.bd-chatroom-compose-actions [data-chatroom-send]{width:auto;min-width:72px;min-height:38px;flex:0 0 auto;border-radius:999px;padding-inline:14px}}@media(max-width:640px){.bd-chatroom{padding:10px 6px;gap:10px}.bd-chatroom-header,.bd-chatroom-sidebar,.bd-chatroom-main{border-radius:16px}.bd-chatroom-header{padding:12px}.bd-chatroom-header-main{align-items:flex-start;gap:10px}.bd-chatroom-brand-mark{width:42px;height:42px;border-radius:13px;font-size:0.88rem}.bd-chatroom-kicker{font-size:0.66rem}.bd-chatroom-header h2{font-size:1.08rem}.bd-chatroom-header p{font-size:0.74rem;line-height:1.75}.bd-chatroom-header-badge{min-width:110px;padding:7px 9px;border-radius:12px}.bd-chatroom-topbar{padding:10px}.bd-chatroom-thread-identity{gap:8px}.bd-chatroom-thread-avatar{width:38px;height:38px;border-radius:12px;font-size:0.84rem}.bd-chatroom-thread-summary{gap:2px}.bd-chatroom-topbar strong{font-size:0.9rem}.bd-chatroom-topbar [data-thread-presence]{font-size:0.7rem}.bd-chatroom-topbar-actions{width:100%;gap:6px}.bd-chatroom-search-inline,.bd-chatroom-action-group{width:100%}.bd-chatroom-action-group{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.bd-chatroom-topbar-actions input{flex:1 1 100%;padding:8px 10px;min-height:38px}.bd-chatroom-compose-row{flex-direction:column;align-items:stretch;gap:8px;padding:8px 10px}.bd-chatroom-compose-row textarea{width:100%;min-width:100%;flex:none;max-height:110px;min-height:44px;padding:10px 12px;font-size:0.84rem;line-height:1.75}.bd-chatroom-compose-actions{width:100%;display:flex;flex-wrap:nowrap;align-items:center;justify-content:flex-end;gap:6px}.bd-chatroom-compose-actions .bd-chatroom-upload-label,.bd-chatroom-compose-actions [data-chatroom-voice],.bd-chatroom-compose-actions [data-chatroom-cancel-attachment]{flex:0 0 auto}.bd-chatroom-compose-actions [data-chatroom-send]{width:auto;min-width:72px;min-height:38px;flex:0 0 auto;border-radius:999px;padding-inline:14px}.bd-chatroom-btn,.bd-chatroom-action-btn{font-size:0.66rem;padding:4px 6px;min-height:28px}.bd-chatroom-upload-label,[data-chatroom-voice],.bd-chatroom-btn-cancel{min-width:28px;width:28px;height:28px}.bd-chatroom-upload-label svg,[data-chatroom-voice] svg,.bd-chatroom-btn-cancel svg{width:13px;height:13px}.bd-chatroom-messages{padding:10px;gap:8px}.bd-chatroom-message{max-width:100%;padding:9px 10px;border-radius:15px}.bd-chatroom-message-content{font-size:0.75rem;line-height:1.8}.bd-chatroom-message-head,.bd-chatroom-message-footer{gap:6px}.bd-chatroom-message-actions{border-radius:14px;padding:7px}.bd-chatroom-files{padding:8px 10px}.bd-chatroom-file-item{padding:7px 8px}.bd-chatroom-call-panel,.bd-chatroom-screen-panel{margin:0 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rgba(55,116,210,0.1);animation:bdCallIncomingPulse 1.8s ease-in-out infinite}@keyframes bdCallIncomingPulse{0%,100%{box-shadow:0 14px 32px rgba(37,87,153,0.18),0 0 0 3px rgba(55,116,210,0.1)}50%{box-shadow:0 14px 32px rgba(37,87,153,0.26),0 0 0 6px rgba(55,116,210,0.14)}}.bd-chatroom-call-panel.is-active{border-color:rgba(32,143,100,0.4);background:linear-gradient(145deg,rgba(230,252,240,0.96),rgba(243,255,248,0.86));box-shadow:0 12px 28px rgba(20,124,84,0.14)}.bd-chatroom-call-left{display:flex;align-items:center;gap:12px}.bd-chatroom-call-avatar{width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:800;color:#fff;background:linear-gradient(135deg,#2a6ae8,#1650c9);box-shadow:0 8px 18px rgba(38,90,195,0.28);flex-shrink:0}.bd-chatroom-call-panel.is-active .bd-chatroom-call-avatar{background:linear-gradient(135deg,#20a070,#168a5a);box-shadow:0 8px 18px rgba(24,130,82,0.28)}.bd-chatroom-call-panel.is-incoming 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p{margin:0;line-height:1.9;font-size:0.75rem}.bd-chatroom-screen-panel{background:linear-gradient(145deg,rgba(228,238,255,0.96),rgba(240,248,255,0.88));border:1px solid rgba(157,191,237,0.42);border-radius:20px;margin:0 12px 6px;padding:14px 16px;box-shadow:0 12px 28px rgba(28,68,140,0.12),0 2px 8px rgba(28,68,140,0.06);display:grid;gap:12px;transition:all 0.26s ease}.bd-chatroom-screen-panel[hidden]{display:none !important}.bd-chatroom-screen-panel.is-sharing{background:linear-gradient(145deg,rgba(226,252,238,0.96),rgba(240,255,247,0.88));border-color:rgba(92,189,145,0.42);box-shadow:0 12px 28px rgba(20,130,80,0.14)}.bd-chatroom-screen-panel.is-receiving{background:linear-gradient(145deg,rgba(232,244,255,0.96),rgba(225,240,255,0.88));border-color:rgba(90,155,225,0.46);box-shadow:0 12px 28px rgba(30,100,190,0.16)}.bd-chatroom-screen-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.bd-chatroom-screen-meta-left{display:flex;align-items:center;gap:10px}.bd-chatroom-screen-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,0.7);border:1px solid rgba(155,190,235,0.48);font-size:0.72rem;font-weight:800;color:#1a4d8f}.bd-chatroom-screen-badge::before{content:'';width:8px;height:8px;border-radius:50%;background:#3a7ad4;flex-shrink:0}.bd-chatroom-screen-panel.is-sharing .bd-chatroom-screen-badge{background:rgba(216,252,236,0.8);border-color:rgba(80,184,130,0.48);color:#0f6e43}.bd-chatroom-screen-panel.is-sharing .bd-chatroom-screen-badge::before{background:#22b878;animation:bdCallDotPulse 1.4s ease-in-out infinite}.bd-chatroom-screen-meta strong{font-size:0.9rem;font-weight:800;color:#0d2a52}.bd-chatroom-screen-meta span{font-size:0.76rem;color:#4a6b98}.bd-chatroom-screen-video-container{position:relative;background:rgba(10,18,36,0.92);border-radius:14px;overflow:hidden;min-height:280px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(60,100,170,0.22);box-shadow:inset 0 2px 8px rgba(0,0,0,0.3)}.bd-chatroom-screen-video-container video{width:100%;height:auto;max-height:500px;object-fit:contain}.bd-chatroom-screen-video-container video[hidden]{display:none}.bd-chatroom-screen-video-container [data-chatroom-local-screen]{position:absolute;bottom:12px;right:12px;width:200px;height:auto;border:2px solid rgba(255,255,255,0.88);border-radius:10px;box-shadow:0 6px 20px rgba(0,0,0,0.4);z-index:10;transition:width 0.2s ease}.bd-chatroom-screen-placeholder{display:flex;flex-direction:column;align-items:center;gap:10px;color:rgba(255,255,255,0.6);font-size:0.82rem}.bd-chatroom-screen-placeholder-icon{width:48px;height:48px;border-radius:16px;background:rgba(255,255,255,0.12);display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,0.16)}.bd-chatroom-screen-placeholder-icon svg{width:24px;height:24px}.bd-chatroom-screen-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}[data-chatroom-screen-toggle]{background:linear-gradient(135deg,rgba(74,124,220,0.92),rgba(50,96,198,0.92));color:#fff;border:1px solid rgba(74,124,220,0.5)!important;box-shadow:0 10px 22px rgba(42,86,188,0.24)}[data-chatroom-screen-toggle]:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 28px 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!important}.bd-chatroom-image-lightbox-frame{position:relative;width:min(920px,100%);max-height:min(88vh,820px);display:grid;gap:10px;justify-items:center}.bd-chatroom-image-lightbox-image{display:block;max-width:100%;max-height:min(78vh,760px);width:auto;height:auto;border-radius:16px;border:1px solid rgba(180,198,220,0.55);background:#fff;box-shadow:0 28px 60px rgba(18,42,80,0.22);object-fit:contain}.bd-chatroom-image-lightbox-caption{width:100%;text-align:center;color:#eef4ff;font-size:0.82rem;line-height:1.6;word-break:break-word}.bd-chatroom-image-lightbox-caption[hidden]{display:none !important}.bd-chatroom-image-lightbox-close{position:absolute;top:-6px;inset-inline-end:-6px;width:38px;height:38px;border-radius:50%;border:1px solid rgba(161,186,222,0.55);background:rgba(255,255,255,0.96);color:#285280;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 10px 22px rgba(18,42,80,0.16);transition:transform var(--bm-transition),box-shadow var(--bm-transition)}.bd-chatroom-image-lightbox-close:hover{transform:translateY(-1px);box-shadow:0 14px 26px rgba(18,42,80,0.2)}.bd-chatroom-message .bd-chatroom-attachment-image{cursor:zoom-in}body.bd-modal-open{overflow:hidden}@media(max-width:768px){.bd-chatroom-scroll-bottom{bottom:calc(104px+env(safe-area-inset-bottom,0px))}.bd-chatroom.is-mobile-floating-composer-active .bd-chatroom-scroll-bottom{bottom:calc(118px+env(safe-area-inset-bottom,0px))}}.bd-chatroom-btn:focus-visible,.bd-chatroom-pill:focus-visible,.bd-chatroom-score-chip:focus-visible,.bd-chatroom-compose-row textarea:focus-visible,.bd-chatroom-topbar-actions input:focus-visible,.bd-chatroom-search-wrap input:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(51,144,236,0.28)}@media(prefers-reduced-motion:reduce){.bd-chatroom-header,.bd-chatroom-sidebar,.bd-chatroom-main,.bd-chatroom-message,.bd-chatroom-thread-item,.bd-chatroom-btn,.bd-chatroom-pill,.bd-chatroom-topbar,.bd-chatroom-topbar-actions,.bd-chatroom-compose-row{transition:none !important;animation:none !important}.bd-chatroom-composer-recording-wave span{animation:none;height:12px}.bd-chatroom-incoming-rings span{animation:none;opacity:0.25}.bd-chatroom-scroll-bottom.is-visible{animation:none}.bd-chatroom-btn:hover,.bd-chatroom-image-lightbox-close:hover{transform:none}}