:root{--bg:#f4f8fc;--panel:rgba(255,255,255,.92);--line:#dfe8f2;--text:#172231;--muted:#718096;--accent:#4f7cff;--accent2:#7b61ff;--danger:#e55353;--shadow:0 10px 30px rgba(44,62,80,.08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}body{font-size:14px}button,input,textarea{font:inherit}button{border:0;cursor:pointer}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #8ba9ff;outline-offset:2px}.dark{--bg:#10141b;--panel:#171d27;--line:#293443;--text:#edf2f8;--muted:#98a6b7;--shadow:0 10px 30px rgba(0,0,0,.2)}#app{display:flex;min-height:100vh}.sidebar{width:240px;padding:18px 14px;border-right:1px solid var(--line);background:rgba(255,255,255,.78);backdrop-filter:blur(14px);display:flex;flex-direction:column;gap:18px}.dark .sidebar{background:rgba(17,22,30,.9)}.brand,.mobile-brand{display:flex;align-items:center;gap:10px}.brand strong,.mobile-brand strong{font-size:15px}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:2px}.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:800}.nav{display:grid;gap:5px}.nav-item,.mobile-nav button{background:transparent;color:var(--muted);border-radius:11px;text-align:left;padding:11px 12px;display:flex;align-items:center;gap:10px}.nav-item:hover,.nav-item.active,.mobile-nav button.active{background:#edf3ff;color:var(--accent);font-weight:700}.dark .nav-item:hover,.dark .nav-item.active{background:#202b3b}.identity-card{display:flex;align-items:center;gap:9px;padding:10px;border:1px solid var(--line);background:var(--panel);border-radius:14px;box-shadow:var(--shadow)}.identity-text{min-width:0;flex:1}.identity-text strong,.identity-text code{display:block}.identity-text strong{font-size:10px;color:var(--muted);text-transform:uppercase}.identity-text code{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.avatar{width:38px;height:38px;flex:0 0 38px;border-radius:50%;display:grid;place-items:center;background:#e9f0ff;color:#4770dc;font-weight:800}.purple{background:#efeaff;color:#765be8}.orange{background:#fff0dc;color:#d47a15}.online-dot,.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;background:#39b873}.sidebar-foot{margin-top:auto;color:var(--muted);font-size:11px}.workspace{flex:1;min-width:0}.topbar{height:68px;padding:12px 18px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.72);backdrop-filter:blur(12px);position:sticky;top:0;z-index:5}.dark .topbar{background:rgba(16,20,27,.9)}.mobile-brand{display:none}.search{height:42px;flex:1;max-width:700px;margin:auto;display:flex;align-items:center;gap:8px;padding:0 10px;border:1px solid var(--line);border-radius:13px;background:var(--panel);color:var(--muted)}.search input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--text)}.search-go{background:transparent;color:var(--muted);padding:6px}.primary{background:var(--accent);color:#fff;border-radius:11px;padding:11px 15px;box-shadow:0 5px 16px rgba(79,124,255,.18)}.primary:hover{filter:brightness(1.04)}.compact{padding:9px 12px}.ghost,.danger,.mini,.icon-btn,.send{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:10px;padding:9px 11px}.mini{padding:5px 7px;color:var(--muted)}.danger{color:#fff;background:var(--danger);border-color:var(--danger)}.danger-text{color:var(--danger)!important}.danger-lite{color:var(--danger)}.view{display:none;padding:20px;min-height:calc(100vh - 68px)}.active-view{display:block}.messenger-shell{height:calc(100vh - 108px);min-height:540px;display:grid;grid-template-columns:330px minmax(0,1fr);gap:14px}.panel,.resource-card,.info-card,.settings-panel,.empty-card{background:var(--panel);border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow)}.chat-list{display:flex;flex-direction:column;overflow:hidden}.section-head,.page-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px}.section-head h1,.page-heading h1{margin:0;font-size:22px}.section-head p,.page-heading p{margin:4px 0 0;color:var(--muted);font-size:12px}.chat-filters{display:flex;gap:6px;padding:0 14px 10px}.filter{padding:7px 10px;border-radius:9px;background:transparent;color:var(--muted)}.filter.active{background:#edf3ff;color:var(--accent)}.dark .filter.active{background:#202b3b}.chat-items{overflow:auto}.chat-row{width:100%;display:flex;align-items:center;gap:10px;padding:11px 14px;text-align:left;background:transparent;color:var(--text)}.chat-row:hover,.chat-row.selected{background:#f1f6fc}.dark .chat-row:hover,.dark .chat-row.selected{background:#202833}.chat-row-main{min-width:0;flex:1}.chat-row-main strong,.chat-row-main small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-row-main small{color:var(--muted);margin-top:3px}.chat-row-meta{color:var(--accent)}.empty-small{margin:auto;padding:30px 20px;text-align:center;color:var(--muted);display:flex;flex-direction:column;gap:5px}.empty-small div{font-size:30px}.conversation{position:relative;overflow:hidden}.conversation-empty{height:100%;display:grid;place-content:center;text-align:center;color:var(--muted);padding:30px}.conversation-empty 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small{color:var(--muted);margin-top:3px}.resource-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px}.resource-card{padding:15px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px}.resource-icon{font-size:25px}.resource-card label{font-size:10px;color:var(--accent);font-weight:800}.resource-card h3{margin:2px 0;font-size:15px}.resource-card p{margin:0;color:var(--muted);font-size:11px;line-height:1.4}.resource-list{margin-top:14px;display:grid;gap:8px}.resource-line{width:100%;display:flex;align-items:center;gap:11px;padding:12px;background:var(--panel);border:1px solid var(--line);border-radius:13px;color:var(--text);text-align:left}.resource-line>span:nth-child(2){flex:1;min-width:0}.resource-line strong,.resource-line small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.resource-line 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.menu-action:hover{background:#232b35}
@media(max-width:900px){.sidebar{width:72px;padding:14px 8px}.brand>div,.identity-text,.nav-item span,.sidebar-foot{display:none}.brand{justify-content:center}.identity-card{justify-content:center}.nav-item{justify-content:center}.messenger-shell{grid-template-columns:300px minmax(0,1fr)}}
@media(max-width:700px){#app{padding-bottom:62px}.sidebar{display:none}.topbar{height:62px;padding:9px 10px}.mobile-brand{display:flex}.mobile-brand strong{font-size:13px}.search{height:38px}.topbar>.primary{display:none}.view{padding:10px}.messenger-shell{height:calc(100vh - 134px);min-height:0;display:block}.chat-list{height:100%}.conversation{position:fixed;inset:62px 0 62px;z-index:10;border-radius:0;display:none}.conversation-content{height:100%}.conversation.panel{border:0}.messenger-shell.chat-open .chat-list{display:none}.messenger-shell.chat-open .conversation{display:block}.back-btn{display:block}.head-actions .icon-btn{padding:8px}.bubble{max-width:85%}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);bottom:0;left:0;right:0;height:62px;background:rgba(255,255,255,.95);border-top:1px solid var(--line);z-index:20}.dark .mobile-nav{background:rgba(17,22,30,.96)}.mobile-nav button{padding:5px 2px;justify-content:center;flex-direction:column;gap:2px;text-align:center;font-size:16px}.mobile-nav button span{font-size:9px}.resource-grid{grid-template-columns:1fr}.page-heading{padding:2px 2px 12px}.page-heading h1{font-size:20px}.call-card-large{padding:20px}.call-card-large video{max-width:100%}.call-card-large #remote-video:empty{display:none}.setting{align-items:flex-start;flex-direction:column}.setting>div:last-child{width:100%}.setting button{margin-right:5px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}