.interchange{--paper:#eef0ec;--paper-raise:#e5e8e1;--ink:#14181a;--ink-soft:#4b5550;--ink-faint:#7c857f;--line:#c7cdc5;--line-strong:#a8b0a4;--hub:#2e3ae0;--hub-ink:#f5f4ef;--chat:#0f9e86;--pro:#c97a1f;--market:#d5522f;--ent:#7c5cfc;--intel:#1e90ae;--accent:var(--chat);--accent-ink:#f5f4ef;--good:#1a8f5a;--bubble-in:#e5e8e1;--bubble-out:color-mix(in srgb, var(--chat) 16%, var(--paper));background:var(--paper);color:var(--ink);font-family:var(--font-ibm-plex-sans), ui-sans-serif, system-ui, sans-serif;font-size:16px;line-height:1.55}@media (prefers-color-scheme:dark){.interchange:not([data-theme=light]){--paper:#14171a;--paper-raise:#1b1f22;--ink:#eeeee6;--ink-soft:#aab3ab;--ink-faint:#767f78;--line:#2c322e;--line-strong:#3c443e;--hub:#7c86ff;--hub-ink:#0e1030;--chat:#2bcaad;--pro:#e6a13f;--market:#ff7a56;--ent:#a48bff;--intel:#4fc3e6;--accent-ink:#0e1030;--good:#39c17d;--bubble-in:#1b1f22;--bubble-out:color-mix(in srgb, var(--chat) 20%, 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var(--accent);outline-offset:3px;border-radius:2px}.interchange nav.top{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;max-width:1120px;margin:0 auto;padding:20px 32px;display:flex}.interchange .brand{font-family:var(--font-bricolage-grotesque);align-items:center;gap:10px;font-size:1.1rem;font-weight:700;display:flex}.interchange .brand .app{color:var(--accent)}.interchange .brand-mark{background:var(--accent);border-radius:8px;flex:none;place-items:center;width:28px;height:28px;display:grid}.interchange .brand-mark svg{width:16px;height:16px}.interchange .nav-links{color:var(--ink-soft);gap:28px;font-size:.92rem;display:flex}.interchange .nav-links a:hover{color:var(--ink)}.interchange .nav-cta{align-items:center;gap:18px;font-size:.92rem;display:flex}.interchange .btn{font-family:var(--font-ibm-plex-sans);cursor:pointer;border:1px solid #0000;border-radius:8px;align-items:center;gap:8px;padding:10px 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#00000026);color:var(--ink);cursor:pointer;border:none;border-radius:10px;place-items:center;font-size:18px;display:grid;position:fixed;top:14px;left:84px}.interchange.chat-shell .convos:not(.full){display:none}.interchange.chat-shell.nav-open .convos:not(.full){z-index:65;width:min(320px,100vw - 76px);box-shadow:var(--shadow-card,0 8px 20px #00000026);display:flex;position:fixed;top:0;bottom:0;left:76px}.interchange.chat-shell.nav-open .nav-backdrop{z-index:60;background:#0f101473;display:block;position:fixed;inset:0 0 0 76px}.interchange.chat-shell .thread:not(:has(>.thread-head)){padding-top:60px!important}.interchange.chat-shell .thread-head{padding-top:60px}}.interchange.chat-shell{--paper:#f6f4ee;--paper-raise:#fff;--paper-sunk:#edeae0;--ink:#15161a;--ink-soft:#55575f;--ink-faint:#90929a;--line:#e1ddd1;--line-strong:#cfc9b8;--hub:#4f3ff5;--hub-ink:#fff;--chat:#0aa876;--chat-soft:#d7f5e9;--pro:#e08a0a;--pro-soft:#fdedd2;--market:#ea4d24;--market-soft:#fce0d5;--ent:#8b3ff2;--ent-soft:#ece0fd;--intel:#0ea5e9;--intel-soft:#d9f0fb;--good:#1a8f5a;--bubble-in:var(--paper-raise);--bubble-out:var(--chat);--shadow-card:0 8px 20px #14120a14}@media (prefers-color-scheme:dark){.interchange.chat-shell:not([data-theme=light]){--paper:#1a1b20;--paper-raise:#23242b;--paper-sunk:#101115;--ink:#eeeee6;--ink-soft:#b7b9c2;--ink-faint:#7d7f89;--line:#2b2c33;--line-strong:#3a3b44;--hub:#8f7dff;--hub-ink:#14121f;--chat:#2bcaad;--chat-soft:#2bcaad33;--pro:#eba648;--pro-soft:#eba64833;--market:#ff7a56;--market-soft:#ff7a5633;--ent:#a48bff;--ent-soft:#a48bff33;--intel:#4fc3e6;--intel-soft:#4fc3e633;--good:#39c17d;--bubble-in:var(--paper-raise);--bubble-out:var(--chat);--shadow-card:0 8px 24px #00000059}}.interchange.chat-shell[data-theme=dark],html[data-theme=dark] .interchange.chat-shell{--paper:#1a1b20;--paper-raise:#23242b;--paper-sunk:#101115;--ink:#eeeee6;--ink-soft:#b7b9c2;--ink-faint:#7d7f89;--line:#2b2c33;--line-strong:#3a3b44;--hub:#8f7dff;--hub-ink:#14121f;--chat:#2bcaad;--chat-soft:#2bcaad33;--pro:#eba648;--pro-soft:#eba64833;--market:#ff7a56;--market-soft:#ff7a5633;--ent:#a48bff;--ent-soft:#a48bff33;--intel:#4fc3e6;--intel-soft:#4fc3e633;--good:#39c17d;--bubble-in:var(--paper-raise);--bubble-out:var(--chat);--shadow-card:0 8px 24px #00000059}.interchange.chat-shell .call-page{width:100%;max-width:640px;margin:0 auto;padding:24px 20px 40px}.interchange.chat-shell .call-page h1{font-size:1.3rem;font-weight:700}.interchange.chat-shell .call-list{flex-direction:column;gap:4px;margin:18px 0 0;padding:0;list-style:none;display:flex}.interchange.chat-shell .call-row{border-radius:12px;align-items:center;gap:14px;padding:12px 10px;text-decoration:none;display:flex}.interchange.chat-shell .call-row:hover{background:var(--paper-raise)}.interchange.chat-shell .call-row:hover .who{text-decoration:underline}.interchange.chat-shell .call-row .ico{color:#fff;border-radius:11px;flex:none;place-items:center;width:38px;height:38px;display:grid}.interchange.chat-shell .call-row .ico.video{background:var(--hub)}.interchange.chat-shell .call-row .ico.voice{background:var(--chat)}.interchange.chat-shell .call-row .ico svg{width:17px;height:17px}.interchange.chat-shell .call-row .who{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:.92rem;font-weight:600;overflow:hidden}.interchange.chat-shell .call-row .sub{color:var(--ink-faint);margin-top:2px;font-size:.78rem}.interchange.chat-shell .call-empty,.interchange.chat-shell .call-loading{color:var(--ink-soft);padding:16px 10px;font-size:.88rem}.interchange.chat-shell .scheduled-calls-strip{background:var(--paper-raise);border-bottom:1px solid var(--line);flex-direction:column;gap:6px;padding:10px 20px;display:flex}.interchange.chat-shell .scheduled-call-chip{color:var(--ink);align-items:center;gap:8px;font-size:.82rem;display:flex}.interchange.chat-shell .scheduled-call-chip svg{width:15px;height:15px;color:var(--hub);flex:none}.interchange.chat-shell .scheduled-call-chip span{flex:1;min-width:0}.interchange.chat-shell .scheduled-call-chip .join{background:var(--chat);color:#fff;cursor:pointer;border-radius:999px;flex:none;padding:4px 10px;font-size:.74rem;font-weight:600}.interchange.chat-shell .scheduled-call-chip .cancel{color:var(--ink-faint);cursor:pointer;flex:none;place-items:center;padding:4px;display:grid}.interchange.chat-shell .scheduled-call-chip .cancel:hover{color:var(--market)}.interchange.chat-shell .scheduled-call-chip .cancel svg{width:13px;height:13px;color:inherit}.interchange.chat-shell .list-head{justify-content:space-between;align-items:center;padding:22px 20px 14px;display:flex}.interchange.chat-shell .list-head h3{font-size:1.05rem;font-weight:700}.interchange.chat-shell .round-btn{background:var(--chat-soft,color-mix(in srgb, var(--chat) 16%, transparent));width:32px;height:32px;color:var(--chat);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:17px;font-weight:700;display:flex;position:relative}.interchange.chat-shell .round-btn:hover{background:var(--chat);color:#fff}.interchange.chat-shell .search{background:var(--paper-sunk);border-radius:var(--r-md,16px);color:var(--ink);border:none;width:calc(100% - 32px);margin:0 16px 14px;padding:10px 14px;font-size:13.5px}.interchange.chat-shell .search::placeholder{color:var(--ink-faint)}.interchange.chat-shell .section-label{font-family:var(--font-ibm-plex-mono), monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);justify-content:space-between;align-items:center;padding:14px 20px 6px;font-size:11px;display:flex}.interchange.chat-shell .section-label .mini-add{color:var(--chat);cursor:pointer;font-size:14px;font-family:var(--font-ibm-plex-sans)}.interchange.chat-shell .menu{background:var(--paper-raise);border:1px solid var(--line);border-radius:var(--r-md,16px);box-shadow:var(--shadow-card,0 8px 20px #00000026);z-index:40;opacity:0;pointer-events:none;min-width:220px;padding:6px;transition:opacity .15s,transform .15s;position:absolute;top:44px;right:0;transform:translateY(-6px)scale(.98)}.interchange.chat-shell .menu.open{opacity:1;pointer-events:auto;transform:translateY(0)scale(1)}.interchange.chat-shell .menu-item{color:var(--ink);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;width:100%;padding:9px 12px;font-size:13.5px;font-weight:600;display:flex}.interchange.chat-shell .menu-item:hover{background:var(--paper-sunk)}.interchange.chat-shell .menu-item .ic{text-align:center;width:20px}.interchange.chat-shell .menu-item.danger{color:#c23a2b}.interchange.chat-shell .menu-item.danger:hover{background:#fce4e1}.interchange.chat-shell .menu-sep{background:var(--line-soft,var(--line));height:1px;margin:6px 4px}.interchange.chat-shell .modal-backdrop{z-index:100;opacity:0;pointer-events:none;background:#0f101473;justify-content:center;align-items:center;transition:opacity .2s;display:flex;position:fixed;inset:0}.interchange.chat-shell .modal-backdrop.open{opacity:1;pointer-events:auto}.interchange.chat-shell .modal{background:var(--paper-raise);border-radius:var(--r-lg,24px);width:440px;max-width:92vw;box-shadow:var(--shadow-card,0 8px 20px #0003);max-height:86vh;padding:26px;transition:transform .2s;overflow-y:auto;transform:scale(.94)}.interchange.chat-shell .modal-backdrop.open .modal{transform:scale(1)}.interchange.chat-shell .modal-head{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.interchange.chat-shell .modal-head h3{font-size:18px}.interchange.chat-shell .modal-close{cursor:pointer;width:30px;height:30px;color:var(--ink-faint);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.interchange.chat-shell .modal-close:hover{background:var(--paper-sunk)}.interchange.chat-shell .f-label{color:var(--ink-soft);margin:14px 0 6px;font-size:12.5px;font-weight:600;display:block}.interchange.chat-shell .f-label:first-of-type{margin-top:0}.interchange.chat-shell .f-input{border:1px solid var(--line);border-radius:var(--r-md,16px);width:100%;font-size:14px;font-family:var(--font-ibm-plex-sans);background:var(--paper-sunk);color:var(--ink);padding:11px 14px}.interchange.chat-shell .f-row{gap:10px;display:flex}.interchange.chat-shell .f-row .f-input{flex:1}.interchange.chat-shell .chips{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.interchange.chat-shell .chip{background:var(--chat-soft,color-mix(in srgb, var(--chat) 16%, transparent));color:var(--chat);border-radius:999px;align-items:center;gap:6px;padding:5px 10px;font-size:12.5px;font-weight:600;display:flex}.interchange.chat-shell .chip .x{cursor:pointer;opacity:.7;color:inherit;font:inherit;background:0 0;border:none}.interchange.chat-shell .toggle-row{justify-content:space-between;align-items:center;margin-top:16px;font-size:13.5px;font-weight:600;display:flex}.interchange.chat-shell .toggle{background:var(--line);cursor:pointer;border:none;border-radius:999px;flex:none;width:40px;height:22px;transition:background .2s;position:relative}.interchange.chat-shell .toggle:after{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .2s;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #0003}.interchange.chat-shell .toggle.on{background:var(--chat)}.interchange.chat-shell .toggle.on:after{transform:translate(18px)}.interchange.chat-shell .modal-actions{justify-content:flex-end;gap:10px;margin-top:22px;display:flex}.interchange.chat-shell .link-row{background:var(--chat-soft,color-mix(in srgb, var(--chat) 16%, transparent));border-radius:var(--r-md,16px);font-family:var(--font-ibm-plex-mono), monospace;color:var(--chat);align-items:center;gap:8px;margin-top:14px;padding:10px 12px;font-size:12px;display:flex}.interchange.chat-shell .link-row span{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.interchange.chat-shell .helper{color:var(--ink-faint);margin-top:6px;font-size:12px}.interchange.chat-shell .modal-empty{color:var(--ink-faint);padding:8px 0;font-size:13px}.interchange.chat-shell .toast{background:var(--ink);color:#fff;box-shadow:var(--shadow-card,0 8px 20px #0003);opacity:0;pointer-events:none;z-index:200;border-radius:999px;padding:12px 20px;font-size:13.5px;font-weight:600;transition:opacity .25s,transform .25s;position:fixed;bottom:28px;left:50%;transform:translate(-50%,20px)}.interchange.chat-shell .toast.show{opacity:1;transform:translate(-50%)}.interchange.chat-shell .pod-detail{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:40px;display:flex}.interchange.chat-shell .pod-cover{background:linear-gradient(135deg, var(--ent), var(--hub));color:#fff;width:140px;height:140px;box-shadow:var(--shadow-card,0 8px 20px #0003);border-radius:24px;justify-content:center;align-items:center;font-size:52px;display:flex}.interchange.chat-shell .pod-waveform{align-items:center;gap:3px;height:36px;display:flex}.interchange.chat-shell .pod-waveform span{background:var(--ent);border-radius:2px;width:3px;display:block}.interchange.chat-shell .pod-controls{align-items:center;gap:18px;margin-top:6px;display:flex}.interchange.chat-shell .pod-play{background:var(--ent);color:#fff;cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;font-size:22px;display:flex}