:root{font-family:Space Grotesk,Inter,system-ui,sans-serif;color:#e6e6e6;background:#0f0f0f;color-scheme:dark;--bg: #0f0f0f;--surface: #141414;--surface-2: #1a1a1a;--surface-3: #202020;--text: #e6e6e6;--muted: #a0a0a0;--border: #2a2a2a;--accent: #1db954;--danger: #e11d48;--shadow: 0 12px 30px rgba(0, 0, 0, .35);--bottom-nav-h: calc(140px + env(safe-area-inset-bottom)) ;--glass-bg: rgba(18, 22, 30, .58);--glass-border: rgba(255, 255, 255, .12);--glass-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), inset 0 -1px 0 rgba(0, 0, 0, .35), 0 16px 40px rgba(0, 0, 0, .45);--glass-blur: blur(22px) saturate(180%);--radius: 14px;--radius-sm: 10px;--nav-bg: rgba(20, 24, 32, .58);--nav-border: rgba(255, 255, 255, .12);--nav-text: #c9ced8;--nav-active: #22c55e;--badge-bg: #1d1d1d;--error-bg: #2a0f14;--error-text: #fca5a5;--success-bg: #0f1f16;--success-text: #86efac;--invite-bg: #0f0f0f;--invite-border: #1f1f1f;--switch-bg: #131313;--switch-border: #2a2a2a;--switch-thumb: #3a3a3a;--chat-typing: #84c77a;--bubble-mine: rgba(26, 54, 36, .6);--message-meta: #8b8b8b;--message-status: #8ccf86;--field-bg: rgba(16, 20, 28, .55);--btn-bg: rgba(24, 28, 36, .7);--btn-danger-bg: rgba(82, 18, 24, .7);--btn-primary-bg: rgba(22, 88, 46, .7);--btn-primary-text: #eaf8f0;--section-divider: #1a1a1a;--inline-input-bg: #111111;--video-bg: #0f0f0f;--menu-hover-bg: #1d1d1d;--lesson-started-bg: #151515;--lesson-finished-bg: rgba(34, 197, 94, .06);--progress-bg: #1a1a1a;--channels-sidebar-bg: #101010;--channels-sidebar-border: #1a1a1a;--channel-item-hover-bg: #1a1a1a;--channel-item-active-bg: #1f1f1f;--app-vh: 100vh}@supports (height: 100svh){:root{--app-vh: 100svh}}@supports (height: 100dvh){:root{--app-vh: 100dvh}}:root[data-theme=light]{color-scheme:light;--bg: #f3f6fb;--surface: #ffffff;--surface-2: #eef3fa;--surface-3: #e7edf7;--text: #0f172a;--muted: #5b6476;--border: #cfd8e6;--accent: #0f8f3f;--danger: #be123c;--glass-bg: rgba(255, 255, 255, .82);--glass-border: rgba(15, 23, 42, .14);--glass-shadow: inset 0 1px 0 rgba(255, 255, 255, .7), inset 0 -1px 0 rgba(15, 23, 42, .08), 0 10px 28px rgba(15, 23, 42, .12);--nav-bg: rgba(255, 255, 255, .78);--nav-border: rgba(15, 23, 42, .14);--nav-text: #334155;--nav-active: #0f8f3f;--badge-bg: #dce5f2;--error-bg: #fee2e2;--error-text: #991b1b;--success-bg: #dcfce7;--success-text: #166534;--invite-bg: rgba(255, 255, 255, .72);--invite-border: rgba(15, 23, 42, .14);--switch-bg: #e2e8f0;--switch-border: #c4cfde;--switch-thumb: #94a3b8;--chat-typing: #0f8f3f;--bubble-mine: rgba(210, 244, 220, .9);--message-meta: #64748b;--message-status: #0f8f3f;--field-bg: rgba(255, 255, 255, .92);--btn-bg: rgba(236, 242, 251, .95);--btn-danger-bg: #fee2e2;--btn-primary-bg: #0f8f3f;--btn-primary-text: #f8fffb;--section-divider: #dbe4f1;--inline-input-bg: #ffffff;--video-bg: #e8effa;--menu-hover-bg: #ecf2fb;--lesson-started-bg: #eef4ff;--lesson-finished-bg: #e8faef;--progress-bg: #dde6f5;--channels-sidebar-bg: #edf3fd;--channels-sidebar-border: #d3deed;--channel-item-hover-bg: #e1eaf8;--channel-item-active-bg: #d8e4f8}@media (prefers-color-scheme: light){:root:not([data-theme=dark]){color-scheme:light;--bg: #f3f6fb;--surface: #ffffff;--surface-2: #eef3fa;--surface-3: #e7edf7;--text: #0f172a;--muted: #5b6476;--border: #cfd8e6;--accent: #0f8f3f;--danger: #be123c;--glass-bg: rgba(255, 255, 255, .82);--glass-border: rgba(15, 23, 42, .14);--glass-shadow: inset 0 1px 0 rgba(255, 255, 255, .7), inset 0 -1px 0 rgba(15, 23, 42, .08), 0 10px 28px rgba(15, 23, 42, .12);--nav-bg: rgba(255, 255, 255, .78);--nav-border: rgba(15, 23, 42, .14);--nav-text: #334155;--nav-active: #0f8f3f;--badge-bg: #dce5f2;--error-bg: #fee2e2;--error-text: #991b1b;--success-bg: #dcfce7;--success-text: #166534;--invite-bg: rgba(255, 255, 255, .72);--invite-border: rgba(15, 23, 42, .14);--switch-bg: #e2e8f0;--switch-border: #c4cfde;--switch-thumb: #94a3b8;--chat-typing: #0f8f3f;--bubble-mine: rgba(210, 244, 220, .9);--message-meta: #64748b;--message-status: #0f8f3f}}:root{--channels-page-bg: #050506;--channels-sidebar-panel: #171719;--channels-sidebar-line: rgba(255, 255, 255, .08);--channels-search-bg: #303032;--channels-search-muted: #8e8e93;--channels-filter-bg: #151517;--channels-filter-border: #343436;--channels-filter-active-bg: #424244;--channels-filter-badge-bg: #8f8f93;--channels-filter-badge-text: #111113;--channels-row-text: #ffffff;--channels-row-hover-bg: rgba(255, 255, 255, .06);--channels-row-active-bg: #26262a;--channels-row-divider: rgba(255, 255, 255, .08);--channels-preview-text: #8d8d92;--channels-group-text: #77777b;--channels-count-bg: #9a9a9e;--channels-count-text: #050506;--chat-pattern-bg: #050506;--chat-pattern-line-a: rgba(117, 62, 188, .08);--chat-pattern-line-b: rgba(40, 113, 207, .08);--chat-header-gradient-start: rgba(5, 5, 6, .82);--chat-header-gradient-end: rgba(5, 5, 6, 0);--chat-composer-gradient-start: rgba(5, 5, 6, 0);--chat-composer-gradient-end: rgba(5, 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#e6edf7;--channels-search-muted: #687386;--channels-filter-bg: #e9eff8;--channels-filter-border: #d3deed;--channels-filter-active-bg: #ffffff;--channels-filter-badge-bg: #cbd8e9;--channels-filter-badge-text: #0f172a;--channels-row-text: #0f172a;--channels-row-hover-bg: rgba(15, 23, 42, .06);--channels-row-active-bg: #dbe8fb;--channels-row-divider: rgba(15, 23, 42, .1);--channels-preview-text: #687386;--channels-group-text: #758197;--channels-count-bg: #d3deed;--channels-count-text: #0f172a;--chat-pattern-bg: #edf3fb;--chat-pattern-line-a: rgba(15, 23, 42, .055);--chat-pattern-line-b: rgba(15, 143, 63, .05);--chat-header-gradient-start: rgba(243, 246, 251, .94);--chat-header-gradient-end: rgba(243, 246, 251, 0);--chat-composer-gradient-start: rgba(243, 246, 251, 0);--chat-composer-gradient-end: rgba(243, 246, 251, .94);--chat-floating-bg: rgba(255, 255, 255, .86);--chat-floating-shadow: inset 0 1px 0 rgba(255, 255, 255, .85), 0 10px 28px rgba(15, 23, 42, .12);--chat-pill-bg: rgba(255, 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#d3deed;--channels-filter-active-bg: #ffffff;--channels-filter-badge-bg: #cbd8e9;--channels-filter-badge-text: #0f172a;--channels-row-text: #0f172a;--channels-row-hover-bg: rgba(15, 23, 42, .06);--channels-row-active-bg: #dbe8fb;--channels-row-divider: rgba(15, 23, 42, .1);--channels-preview-text: #687386;--channels-group-text: #758197;--channels-count-bg: #d3deed;--channels-count-text: #0f172a;--chat-pattern-bg: #edf3fb;--chat-pattern-line-a: rgba(15, 23, 42, .055);--chat-pattern-line-b: rgba(15, 143, 63, .05);--chat-header-gradient-start: rgba(243, 246, 251, .94);--chat-header-gradient-end: rgba(243, 246, 251, 0);--chat-composer-gradient-start: rgba(243, 246, 251, 0);--chat-composer-gradient-end: rgba(243, 246, 251, .94);--chat-floating-bg: rgba(255, 255, 255, .86);--chat-floating-shadow: inset 0 1px 0 rgba(255, 255, 255, .85), 0 10px 28px rgba(15, 23, 42, .12);--chat-pill-bg: rgba(255, 255, 255, .84);--chat-pill-shadow: inset 0 1px 0 rgba(255, 255, 255, .9), 0 10px 28px rgba(15, 23, 42, .1);--chat-subtitle-text: #687386;--chat-bubble-bg: rgba(255, 255, 255, .96);--chat-bubble-border: rgba(15, 23, 42, .08);--chat-bubble-shadow: 0 8px 22px rgba(15, 23, 42, .08);--chat-bubble-mine-bg: rgba(210, 244, 220, .96);--chat-message-text: #0f172a;--chat-message-user: #0f8f3f;--chat-message-time: rgba(91, 100, 118, .72);--chat-image-bg: rgba(15, 23, 42, .05);--chat-composer-input-bg: rgba(255, 255, 255, .94);--chat-composer-input-text: #0f172a;--chat-composer-input-shadow: inset 0 1px 0 rgba(255, 255, 255, .85), 0 10px 24px rgba(15, 23, 42, .1);--chat-reply-accent: #0f8f3f}}*{box-sizing:border-box}html,body,#root{min-height:var(--app-vh);background:var(--bg);overflow-x:hidden;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text)}.page{min-height:var(--app-vh);display:block;background:var(--bg);padding:16px 16px 110px}.card{width:100%;padding:0;background:transparent;border:none}.page-card{width:100%}.login-container{max-width:520px;margin:0 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solid var(--channels-row-divider)}.channel-preview{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--channels-preview-text);font-size:15px}.channel-side{align-self:stretch;display:flex;align-items:flex-start;padding-top:6px}.channel-live-dot{width:8px;height:8px;border-radius:999px;background:#37d67a}.channel-count{min-width:26px;height:26px;display:grid;place-items:center;padding:0 8px;border-radius:999px;border:none;background:var(--channels-count-bg);color:var(--channels-count-text);font-size:13px;font-weight:800;text-align:center}.channel-desc{font-size:12px;color:var(--muted)}.channels-empty{padding:18px 8px}.chat-panel{display:flex;flex-direction:column;min-height:100dvh;height:100%;min-width:0;background:repeating-linear-gradient(135deg,var(--chat-pattern-line-a) 0 1px,transparent 1px 38px),repeating-linear-gradient(45deg,var(--chat-pattern-line-b) 0 1px,transparent 1px 44px),var(--chat-pattern-bg);padding-bottom:calc(var(--bottom-nav-h) - 18px)}.chat-panel.empty{justify-content:center;align-items:center}.chat-header{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:none;background:linear-gradient(180deg,var(--chat-header-gradient-start),var(--chat-header-gradient-end));position:sticky;top:0;z-index:3;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.chat-back{border:none;background:var(--chat-floating-bg);color:var(--text);width:48px;height:48px;border-radius:999px;font-size:30px;line-height:1;padding:0 4px 4px 0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--chat-floating-shadow)}.chat-title-pill{min-width:0;flex:1 1 auto;max-width:440px;justify-self:center;padding:9px 18px;border-radius:999px;text-align:center;background:var(--chat-pill-bg);box-shadow:var(--chat-pill-shadow);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}.chat-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:20px;font-weight:800}.chat-peer-avatar{width:48px;height:48px;border-radius:999px;font-size:16px;box-shadow:var(--chat-floating-shadow)}.chat-meta{margin-left:0;text-align:right;display:grid;gap:4px;justify-items:end}.chat-notification-btn{position:relative;display:grid;place-items:center;width:40px;height:40px;border:none;border-radius:999px;background:var(--chat-floating-bg);color:var(--text);cursor:pointer;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);box-shadow:var(--chat-floating-shadow)}.chat-notification-btn.is-blocked:after{content:"";position:absolute;right:9px;top:9px;width:8px;height:8px;border:2px solid var(--chat-floating-bg);border-radius:999px;background:var(--error-text)}.chat-notification-btn:disabled{cursor:wait;opacity:.72}.chat-notification-btn svg{width:18px;height:18px}.chat-notification-btn:hover:not(:disabled){background:var(--btn-primary-bg)}.notification-notice{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--channels-sidebar-line);border-radius:var(--radius-sm);background:var(--chat-floating-bg);color:var(--text);box-shadow:var(--chat-floating-shadow);font-size:13px;line-height:1.35}.notification-notice button{display:grid;place-items:center;width:28px;height:28px;border:none;border-radius:999px;background:transparent;color:var(--muted);cursor:pointer;font-size:18px}.notification-notice button:hover{background:var(--channels-row-hover-bg);color:var(--text)}.channels-notification-notice{margin-top:14px}.chat-notification-notice{margin:0 18px 8px;position:relative;z-index:2}.chat-online{font-size:11px;color:var(--muted)}.chat-typing{font-size:11px;color:var(--chat-typing)}.chat-subtitle{font-size:12px;color:var(--chat-subtitle-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-messages{flex:1;overflow-y:auto;padding:22px 24px 18px;display:flex;flex-direction:column;gap:6px;background:transparent;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.load-older{align-self:center;color:var(--muted);font-size:12px;padding-bottom:6px}.chat-message{display:flex}.system-message{align-self:center;color:var(--muted);font-size:12px;padding:6px 10px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-sm);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}.chat-message.mine{justify-content:flex-end}.bubble{max-width:min(74%,760px);background:var(--chat-bubble-bg);border:1px solid var(--chat-bubble-border);padding:11px 14px 8px;border-radius:22px;display:grid;gap:6px;box-shadow:var(--chat-bubble-shadow)}.chat-message.mine .bubble{background:var(--chat-bubble-mine-bg)}.chat-message.has-image .bubble{max-width:min(440px,82%)}.chat-message.target .bubble{outline:2px solid rgba(47,125,246,.85);box-shadow:0 0 0 4px #2f7df633,var(--glass-shadow)}.message-user{font-size:12px;color:var(--chat-message-user);font-weight:700}.message-content{white-space:pre-wrap;line-height:1.45;font-size:16px;color:var(--chat-message-text)}.message-image-link{display:block}.message-image{display:block;width:100%;height:auto;max-height:min(58vh,460px);object-fit:cover;border-radius:16px;background:var(--chat-image-bg)}.message-time{font-size:11px;color:var(--chat-message-time);text-align:right}.message-meta{display:flex;align-items:center;justify-content:flex-end;gap:6px}.message-status{font-size:11px;color:var(--message-status);display:inline-flex;align-items:center}.read-icon{width:14px;height:14px;display:block}.message-edited{font-size:11px;color:var(--muted)}.blocked-banner{border-top:1px solid var(--channels-sidebar-line);padding:14px 16px calc(18px + env(safe-area-inset-bottom));background:var(--glass-bg);border-radius:var(--radius) var(--radius) 0 0;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}.blocked-title{font-weight:600;margin-bottom:4px}.blocked-text{font-size:12px;color:var(--muted)}.reply{border-left:2px solid var(--chat-reply-accent);padding-left:8px;display:grid;gap:2px}.reply-user{font-size:11px;color:var(--chat-reply-accent)}.reply-content{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-composer{border-top:none;padding:10px 18px 18px;background:linear-gradient(180deg,var(--chat-composer-gradient-start),var(--chat-composer-gradient-end) 30%);position:sticky;bottom:0;z-index:3}.chat-composer textarea{min-height:52px;height:52px;resize:none;border:none;border-radius:999px;background:var(--chat-composer-input-bg);color:var(--chat-composer-input-text);padding:14px 18px;box-shadow:var(--chat-composer-input-shadow)}.composer-row{display:flex;align-items:center;gap:8px}.composer-row textarea{flex:1;min-width:0}.send-btn{width:52px;height:52px;border-radius:999px;padding:0;display:inline-flex;align-items:center;justify-content:center}.attach-btn{width:52px;height:52px;border-radius:999px;padding:0;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}.attach-icon{width:18px;height:18px}.send-icon{width:20px;height:20px}.reply-preview{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--glass-bg);border:1px solid var(--glass-border);border-left:2px solid var(--chat-reply-accent);padding:8px 10px;margin-bottom:10px;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:var(--radius-sm)}.reply-preview-text{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-clear{border:none;background:transparent;color:var(--muted);font-size:18px;cursor:pointer}.composer-error{font-size:12px;color:var(--error-text);margin-bottom:8px}.composer-attachment-input{display:none}.attachment-preview{display:flex;align-items:center;gap:12px;background:var(--glass-bg);border:1px solid var(--glass-border);padding:8px 10px;margin-bottom:10px;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:var(--radius-sm)}.attachment-preview-image{width:52px;height:52px;object-fit:cover;border-radius:12px;flex:0 0 auto}.attachment-preview-meta{min-width:0;display:grid;gap:4px;flex:1}.attachment-preview-name{font-size:13px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attachment-preview-text{font-size:12px;color:var(--muted)}.context-menu{position:fixed;z-index:1200;background:var(--glass-bg);border:1px solid var(--glass-border);padding:6px;min-width:140px;border-radius:var(--radius);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);box-shadow:var(--glass-shadow)}.context-menu button{width:100%;border:none;background:transparent;color:var(--text);padding:8px 10px;text-align:left;cursor:pointer}.context-menu button:hover{background:#1c222c99}.chat-empty{display:flex;align-items:center;justify-content:center;min-height:240px}@media (min-width: 900px){.content{max-width:900px;padding:24px 24px 110px}.page{padding:24px 24px 110px}}@media (max-width: 900px){input,textarea,select{font-size:16px}body.channels-page-open{overflow:hidden;position:fixed;top:0;right:0;bottom:0;left:0;width:100%}body.channels-page-open:has(.space-closed-page){overflow-x:hidden;overflow-y:auto;position:static;inset:auto;width:auto}.channels-layout{grid-template-columns:1fr;overflow-x:hidden}.channels-layout.chat-open .channels-sidebar{display:none}.channels-layout.chat-open .chat-panel{display:flex}.channels-layout:not(.chat-open) .chat-panel{display:none}.chat-back{display:inline-flex}.page.page-channels{height:100dvh}.channels-layout{min-height:100dvh;height:100dvh}.chat-panel{padding-bottom:calc(var(--bottom-nav-h) + 8px)}.layout.layout-channels.layout-channels-thread .bottom-nav{display:none}.layout.layout-channels.layout-channels-thread .chat-panel{padding-bottom:calc(8px + env(safe-area-inset-bottom))}.layout.layout-channels.layout-channels-thread .chat-composer{padding-bottom:calc(10px + env(safe-area-inset-bottom))}}