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var(--sal));z-index:2;background:linear-gradient(rgba(0,0,0,.5),transparent);display:flex;flex-direction:column}.call-topbar strong{font-size:18px}.call-topbar span{font-size:13px;color:#ffffffbf}.call-controls{position:absolute;bottom:calc(40px + var(--sab));display:flex;gap:22px;z-index:4}.call-ctrl{width:58px;height:58px;border-radius:50%;border:0;background:#ffffff29;color:#fff;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:background .15s}.call-ctrl:hover{background:#ffffff47}.call-ctrl.on{background:#fff;color:#1b2b47}.call-ctrl.hangup{background:#e0455e}.call-ctrl.hangup:hover{background:#c93650}.call-toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%);z-index:80;background:#1b2b47;color:#fff;padding:11px 20px;border-radius:22px;font-size:14px;box-shadow:0 8px 28px #00000059;animation:pop .25s ease}@media (max-width: 820px){.call-local-video{width:110px;height:150px}}.call-overlay.gc{background:#0b1422}.gc-grid{flex:1;width:100%;display:grid;gap:8px;padding:calc(70px + var(--sat)) calc(14px + var(--sar)) calc(110px + var(--sab)) calc(14px + var(--sal));align-content:center;justify-items:center}.gc-grid.gc-n1{grid-template-columns:1fr}.gc-grid.gc-n2,.gc-grid.gc-n3,.gc-grid.gc-n4{grid-template-columns:repeat(2,1fr)}.gc-grid.gc-n5,.gc-grid.gc-n6{grid-template-columns:repeat(3,1fr)}.gc-tile{position:relative;width:100%;height:100%;min-height:160px;max-height:42vh;background:#16263c;border-radius:14px;overflow:hidden;display:flex;align-items:center;justify-content:center}.gc-video{width:100%;height:100%;object-fit:cover}.gc-avatar{display:flex;align-items:center;justify-content:center}.gc-name{position:absolute;left:10px;bottom:8px;color:#fff;font-size:13px;background:#00000073;padding:3px 9px;border-radius:8px}.gc-banner{display:flex;align-items:center;gap:9px;width:100%;border:0;padding:11px 18px;font-size:14px;font-weight:600;background:linear-gradient(135deg,#1e8e6e,#0e7c86);color:#fff;cursor:pointer}.gc-banner:hover{filter:brightness(1.06)}.gc-banner-dot{width:9px;height:9px;border-radius:50%;background:#aef5dd;animation:recblink 1.2s infinite}.gc-banner-join{margin-left:auto;background:#ffffff38;padding:4px 14px;border-radius:14px}.msg-link{color:#1f6fe0;text-decoration:underline;word-break:break-all}.bubble-row.mine .msg-link{color:#1a56b0}.pin-bar{background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow);z-index:4}.pin-row{display:flex;align-items:center;gap:8px;padding:7px 14px;border-bottom:1px solid #f1f3f8}.pin-row:last-child{border-bottom:0}.pin-ic{font-size:13px}.pin-text{flex:1;min-width:0;text-align:left;border:0;background:transparent;color:var(--text-soft);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.pin-text b{color:var(--text);font-weight:600}.pin-text:hover{color:var(--navy)}.pin-x{width:28px;height:28px;color:var(--text-soft)}.pin-x:hover{background:var(--hover)}.pin-mark{font-size:10px;margin-right:1px}.mention{color:#1f6fe0;font-weight:600}.bubble-row.mine .mention{color:#1a3f7a}.mention-picker{position:absolute;bottom:70px;left:16px;right:16px;max-width:360px;background:var(--surface);border-radius:12px;box-shadow:0 10px 30px #10244847;padding:6px;z-index:30;max-height:240px;overflow-y:auto}.mention-row{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:0;background:transparent;padding:8px 10px;border-radius:9px}.mention-row:hover{background:var(--hover)}.mention-row .name{font-weight:600;font-size:14px;color:var(--text)}.mention-row .sub{font-size:12.5px;color:var(--text-soft);margin-left:auto}.load-earlier{display:block;margin:6px auto 12px;border:0;background:var(--surface);color:var(--navy-2);font-weight:600;font-size:13px;padding:7px 16px;border-radius:16px;box-shadow:var(--shadow)}.load-earlier:hover{background:var(--hover)}.drop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:40;background:#1e3a6b8c;display:flex;align-items:center;justify-content:center;pointer-events:none}.drop-overlay div{border:3px dashed #fff;color:#fff;font-size:20px;font-weight:600;padding:40px 60px;border-radius:18px}[data-wallpaper=plain] .chat-window{background-color:var(--chat-bg);background-image:none}[data-wallpaper=mint] .chat-window{background-color:#e7f4ee;background-image:radial-gradient(rgba(30,142,110,.08) 1px,transparent 1px);background-size:22px 22px}[data-wallpaper=sky] .chat-window{background-color:#dbe8f7;background-image:linear-gradient(180deg,#e9f1fb,#cfe0f4);background-size:cover}[data-wallpaper=sand] .chat-window{background-color:#f3ece0;background-image:radial-gradient(rgba(160,120,40,.1) 1px,transparent 1px);background-size:22px 22px}[data-wallpaper=dusk] .chat-window{background-color:#16243a;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(160deg,#2a3a54,#15233a);background-size:22px 22px,cover}[data-wallpaper=doodle] .chat-window{background-color:#eef1f6;background-image:repeating-linear-gradient(45deg,rgba(30,58,107,.05) 0 2px,transparent 2px 17px),repeating-linear-gradient(-45deg,rgba(30,58,107,.04) 0 2px,transparent 2px 17px);background-size:auto}[data-wallpaper=dusk] .day-sep span,[data-wallpaper=dusk] .encryption-note{opacity:.92}.wallpaper-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:4px 0 6px}.wp-swatch{height:56px;border-radius:10px;border:2px solid var(--line);position:relative;overflow:hidden;cursor:pointer;padding:0}.wp-swatch.on{border-color:var(--navy-2);box-shadow:0 0 0 2px #2c56a64d}.wp-swatch span{position:absolute;left:0;right:0;bottom:0;font-size:11px;font-weight:600;color:#fff;background:#0006;padding:2px}.wp-swatch[data-wp=default]{background:var(--chat-bg);background-image:radial-gradient(rgba(30,58,107,.18) 1.5px,transparent 1.5px);background-size:10px 10px}.wp-swatch[data-wp=plain]{background:#eef1f6}.wp-swatch[data-wp=mint]{background:#d7eee2}.wp-swatch[data-wp=sky]{background:linear-gradient(180deg,#eaf2fb,#cfe0f4)}.wp-swatch[data-wp=sand]{background:#efe5d3}.wp-swatch[data-wp=dusk]{background:linear-gradient(160deg,#2b3a52,#16243a)}.wp-swatch[data-wp=doodle]{background:#eef1f6;background-image:repeating-linear-gradient(45deg,rgba(30,58,107,.18) 0 2px,transparent 2px 9px)}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;border:0;background:transparent;padding:14px 6px;border-radius:10px;text-align:left;color:var(--text)}.settings-row:hover{background:var(--hover)}.settings-label{display:flex;flex-direction:column}.settings-label span{font-size:15px}.settings-label small{font-size:12.5px;color:var(--text-soft)}[data-theme=dark]{--bg: #0b141a;--panel: #111b21;--bubble-mine: #1c3a5e;--bubble-mine-meta: #aecbed;--bubble-theirs: #1f2c33;--text: #e9edef;--text-soft: #8696a0;--line: #222d34;--surface: #1f2c33;--surface-2: #2a3942;--hover: #202c33;--active: #2a3942;--composer-bg: #1a242b;--day-pill: #182229;--chat-bg: #0b141a}[data-theme=dark] body{background:var(--bg)}[data-theme=dark] .sidebar{background:var(--panel)}[data-theme=dark] .chat-row{background:var(--panel);border-bottom-color:#1b262d}[data-theme=dark] .chat-row:hover{background:var(--hover)}[data-theme=dark] .chat-row.active{background:var(--active)}[data-theme=dark] .search{border-bottom-color:var(--line)}[data-theme=dark] .search input{background:var(--surface-2);color:var(--text)}[data-theme=dark] .menu,[data-theme=dark] .menu button{background:var(--surface);color:var(--text)}[data-theme=dark] .menu button:hover{background:var(--hover)}[data-theme=dark] .chat-window.empty{background:#0b141a}[data-theme=dark] .empty-hero h2{color:#d7e3f4}[data-theme=dark] .chat-window{background-image:radial-gradient(rgba(255,255,255,.03) 1px,transparent 1px)}[data-theme=dark] .composer input{background:var(--surface-2);color:var(--text)}[data-theme=dark] .encryption-note{background:#182a2c;color:#c9b873}[data-theme=dark] .modal,[data-theme=dark] .menu{color:var(--text)}[data-theme=dark] .modal{background:var(--panel)}[data-theme=dark] .modal-head h3,[data-theme=dark] .modal-tabs button.active{color:#d7e3f4}[data-theme=dark] .modal-tabs,[data-theme=dark] .auth-tabs{background:var(--surface-2)}[data-theme=dark] .modal-input,[data-theme=dark] .field input,[data-theme=dark] .auth-form input{background:var(--surface-2);color:var(--text);border-color:var(--line)}[data-theme=dark] .user-row{background:transparent}[data-theme=dark] .user-row:hover{background:var(--hover)}[data-theme=dark] .reaction-chip.mine{background:#234a6b;border-color:#2f5f88}[data-theme=dark] .reply-quote{background:#ffffff0f}[data-theme=dark] .auth-card{background:var(--panel)}[data-theme=dark] .auth-brand h1{color:#d7e3f4}[data-theme=dark] .ticks.read{color:#53bdeb}[data-theme=dark] .file-icon{background:#ffffff14}[data-theme=dark] .audio-track{background:#3a4a57}[data-theme=dark] .bubble-text mark{background:#8a6d1f;color:#fff}[data-theme=dark] .attach-menu,[data-theme=dark] .emoji-pop{background:var(--surface)}[data-theme=dark] .emoji-cell:hover,[data-theme=dark] .attach-menu button:hover{background:var(--hover)}[data-theme=dark] .side-tabs{background:var(--panel)}[data-theme=dark] .side-tabs button.active{color:#6ea8ff;border-bottom-color:#6ea8ff}[data-theme=dark] .archived-bar{background:var(--panel);color:#9cc0ff}[data-theme=dark] .archived-bar svg{color:#6ea8ff}[data-theme=dark] .archived-bar.back{color:var(--text)}[data-theme=dark] .status-section{background:var(--bg)}[data-theme=dark] .row-menu,[data-theme=dark] .sv-viewers{background:var(--surface)}[data-theme=dark] .add-badge{border-color:var(--panel)}[data-theme=dark] .status-ring-inner{background:var(--panel)}[data-theme=dark] .notif-banner{background:#15263f;color:#cfe0ff}[data-theme=dark] .notif-banner:hover{background:#1b3052}[data-theme=dark] .admin-badge{background:#16352b;color:#5fe3b0}[data-theme=dark] .icon-btn.danger:hover,[data-theme=dark] .btn-danger:hover{background:#3a2025}[data-theme=dark] .group-name{color:var(--text)}[data-theme=dark] .mention{color:#6ea8ff}[data-theme=dark] .bubble-row.mine .mention{color:#9cc0ff}[data-theme=dark] .mention-picker,[data-theme=dark] .load-earlier{background:var(--surface)}[data-theme=dark] .pin-bar{background:var(--panel)}[data-theme=dark] .pin-row{border-bottom-color:#1b262d}[data-theme=dark] .msg-link{color:#6ea8ff}[data-theme=dark] .bubble-row.mine .msg-link{color:#9cc0ff}[data-theme=dark] .link-preview{background:#ffffff0d}[data-theme=dark] .link-preview:hover{background:#ffffff17}[data-theme=dark] .lp-site{color:#6ea8ff}@media (max-width: 820px){.app{grid-template-columns:1fr;box-shadow:none}.app .chat-window,.app.chat-open .sidebar{display:none}.app.chat-open .chat-window{display:flex}.messages{padding:14px calc(12px + var(--sal)) 14px calc(12px + var(--sar))}.bubble{max-width:82%}.back-btn{display:inline-flex}}@media (max-width: 480px){.messages{padding:12px calc(8px + var(--sal)) 12px calc(8px + var(--sar))}.bubble{max-width:88%}.chat-row{padding:9px 12px;gap:11px}.row-name{font-size:15px}.composer input{padding:11px 15px;font-size:15px}.auth-card{padding:24px 18px 20px}.menu{min-width:180px}}@media (max-width: 360px){.brand-mini strong{font-size:14px}.icon-btn{width:34px;height:34px}.call-ctrl{width:52px;height:52px}.call-controls{gap:16px}}@media (max-height: 480px) and (orientation: landscape){.call-controls{bottom:calc(14px + var(--sab));gap:16px}.call-ctrl{width:48px;height:48px}.call-local-video{width:110px;height:76px}.gc-tile{max-height:70vh}}@media (min-width: 1600px){.messages{padding-left:12vw;padding-right:12vw}}