@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-main:#1e1a3a;--bg-sidebar:#3b2869;--bg-card:#4f46988c;--bg-input:#4f469859;--bg-user-card:#4f469880;--text-primary:#fff;--text-secondary:#abbbe5;--text-muted:#abbbe58c;--text-dark:#1e1e2e;--accent:#3b82c4;--accent-hover:#5299d3;--bubble-other:#abbbe5;--bubble-me:#cffbf6;--border-subtle:#abbbe526;--border-card:#abbbe533;--av-purple:#4f4698;--av-blue:#3b82c4;--av-indigo:#534ab7;--av-muted:#abbbe533;--online-dot:#22c55e;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-pill:24px;--radius-full:9999px;font-family:Inter,sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{background:var(--bg-sidebar);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Inter,sans-serif}.login-screen{background:var(--bg-sidebar);justify-content:center;align-items:center;width:100%;min-height:100vh;padding:20px;animation:.45s forwards fadeIn;display:flex}.login-wrapper{flex-direction:column;align-items:center;width:100%;max-width:360px;display:flex}.login-logo{margin-bottom:8px}.login-brand{color:#fff;letter-spacing:.04em;text-align:center;margin-bottom:4px;font-size:26px;font-weight:700}.login-tagline{color:var(--text-secondary);text-align:center;margin-bottom:32px;font-size:13px}.login-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);width:100%;padding:28px}.login-card-title{color:#fff;text-align:center;margin-bottom:6px;font-size:15px;font-weight:500}.login-card-sub{color:var(--text-secondary);text-align:center;margin-bottom:24px;font-size:12px}.btn-google{border-radius:var(--radius-sm);cursor:pointer;color:#1e1e2e;background:#fff;border:none;justify-content:center;align-items:center;gap:10px;width:100%;margin-bottom:12px;padding:10px 16px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.btn-google:hover{transform:translateY(-1px);box-shadow:0 4px 16px #0000002e}.login-divider{align-items:center;gap:10px;margin-bottom:12px;display:flex}.login-divider:before,.login-divider:after{content:"";background:#abbbe540;flex:1;height:1px}.login-divider span{color:var(--text-secondary);font-size:11px}.btn-guest{border:1.5px solid var(--accent);border-radius:var(--radius-sm);cursor:pointer;color:#fff;background:0 0;justify-content:center;align-items:center;gap:8px;width:100%;margin-bottom:8px;padding:10px 16px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.btn-guest:hover{background:#3b82c426;transform:translateY(-1px)}.login-note{color:#abbbe58c;text-align:center;margin-top:12px;font-size:11px}.login-footer{color:#abbbe566;text-align:center;margin-top:20px;font-size:11px}.app-layout{width:100%;height:100vh;animation:.45s forwards fadeIn;display:flex;overflow:hidden}.sidebar{background:var(--bg-sidebar);z-index:100;flex-direction:column;width:260px;min-width:260px;height:100%;transition:transform .3s;display:flex}.sidebar-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:18px 16px 14px;display:flex}.sidebar-brand{align-items:center;gap:8px;display:flex}.sidebar-brand-name{color:#fff;font-size:16px;font-weight:700}.sidebar-sub{color:#abbbe599;font-size:10px}.sidebar-users{flex:1;padding:14px 16px;overflow-y:auto}.sidebar-users-label{letter-spacing:.08em;color:var(--text-muted);text-transform:uppercase;margin-bottom:10px;font-size:10px;font-weight:500}.user-item{border-radius:var(--radius-sm);align-items:center;gap:8px;margin-bottom:4px;padding:8px;display:flex}.user-item.is-me{background:#ffffff0f}.avatar-wrap{flex-shrink:0;width:32px;height:32px;position:relative}.avatar{color:#cffbf6;text-transform:uppercase;border-radius:100%;justify-content:center;align-items:center;width:100%;height:100%;font-size:12px;font-weight:700;display:flex}.avatar.av-purple{background:var(--av-purple)}.avatar.av-blue{background:var(--av-blue);color:#fff}.avatar.av-indigo{background:var(--av-indigo)}.avatar.av-muted{background:var(--av-muted);color:var(--text-secondary)}.avatar.av-teal{background:var(--bubble-me);color:var(--bg-sidebar)}.online-dot{background:var(--online-dot);border:2px solid var(--bg-sidebar);border-radius:50%;width:10px;height:10px;position:absolute;bottom:0;right:0}.user-name{color:#fff;font-size:14px}.sidebar-footer{border-top:1px solid var(--border-subtle);padding:16px}.current-user-card{background:var(--bg-user-card);border-radius:var(--radius-md);align-items:center;gap:10px;margin-bottom:12px;padding:10px;display:flex}.current-user-info p:first-child{color:#fff;font-size:13px;font-weight:600}.current-user-info p:last-child{color:var(--text-secondary);font-size:11px}.btn-logout{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);cursor:pointer;width:100%;color:var(--text-secondary);background:0 0;justify-content:center;align-items:center;gap:8px;padding:8px;font-size:12px;transition:all .2s;display:flex}.btn-logout:hover{color:#fff;background:#ffffff0d}.chat-area{background:var(--bg-main);flex-direction:column;flex:1;display:flex;position:relative}.chat-header{border-bottom:1px solid #abbbe51f;align-items:center;gap:12px;padding:14px 20px;display:flex}.menu-toggle{color:#fff;cursor:pointer;background:0 0;border:none;display:none}.chat-header-title{color:#fff;font-size:16px;font-weight:600}.chat-header-status{color:#abbbe580;align-items:center;gap:6px;margin-left:auto;font-size:12px;display:flex}.chat-header-status-dot{background:var(--online-dot);border-radius:50%;width:8px;height:8px}.chat-messages{flex-direction:column;flex:1;gap:12px;padding:20px;display:flex;overflow-y:auto}.msg-system{text-align:center;margin:8px 0}.msg-system span{color:var(--text-secondary);border-radius:var(--radius-full);background:#abbbe51a;padding:4px 12px;font-size:11px}.msg-other,.msg-me{flex-direction:column;max-width:80%;display:flex}.msg-other{align-self:flex-start}.msg-me{align-self:flex-end;align-items:flex-end}.msg-other-inner{align-items:flex-end;gap:8px;display:flex}.msg-bubble{padding:10px 14px;font-size:14px;line-height:1.5}.msg-other .msg-bubble{background:var(--bubble-other);color:var(--text-dark);border-radius:16px 16px 16px 4px}.msg-me .msg-bubble{background:var(--bubble-me);color:var(--text-dark);border-radius:16px 16px 4px}.msg-sender{color:var(--text-secondary);margin-bottom:4px;margin-left:40px;font-size:11px}.msg-time{color:#abbbe566;margin-top:4px;font-size:10px}.chat-input-bar{border-top:1px solid #abbbe51a;align-items:center;gap:12px;padding:16px 20px;display:flex}.chat-input{background:var(--bg-input);border:1.5px solid var(--accent);border-radius:var(--radius-pill);color:#fff;outline:none;flex:1;padding:12px 20px;font-size:14px;transition:border-color .2s}.chat-input:focus{border-color:var(--accent-hover)}.btn-send{background:var(--accent);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;transition:all .2s;display:flex}.btn-send:hover{background:var(--accent-hover);transform:scale(1.05)}@media (width<=768px){.sidebar{position:absolute;top:0;bottom:0;left:0;transform:translate(-100%);box-shadow:10px 0 30px #00000080}.sidebar.open{transform:translate(0)}.menu-toggle{display:block}.msg-other,.msg-me{max-width:90%}.chat-input-bar{gap:8px;padding:12px}.chat-input{padding:10px 16px}.btn-send{width:40px;height:40px}}.sidebar-overlay{z-index:90;background:#00000080;display:none;position:absolute;inset:0}.sidebar-overlay.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}