:root{--bg: #0c0c10;--surface: #13131a;--panel: #1a1a24;--border: #2a2a38;--accent: #7c6aff;--accent2: #ff6a8e;--green: #3dffa0;--red: #ff4f6a;--text: #e8e6f0;--muted: #6b6882;--bubble-me: #1e1b3a;--bubble-ot: #18181f;--mono: "DM Mono", monospace;--sans: "Syne", sans-serif;--radius: 14px;--anim: cubic-bezier(.22, 1, .36, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--sans);background:var(--bg);color:var(--text);height:100dvh;overflow:hidden;-webkit-font-smoothing:antialiased}#app{height:100dvh;display:flex}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes msgIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}@keyframes spin{to{transform:rotate(360deg)}}.auth-overlay{position:fixed;inset:0;background:#0c0c10f2;backdrop-filter:blur(20px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .3s ease}.auth-box{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:40px;width:400px;max-width:calc(100vw - 32px);animation:slideUp .5s var(--anim)}.auth-logo{font-size:32px;font-weight:800;letter-spacing:-1.5px;text-align:center;margin-bottom:4px}.auth-logo span{color:var(--accent)}.auth-sub{font-size:13px;color:var(--muted);text-align:center;margin-bottom:28px;font-family:var(--mono)}.auth-tabs{display:flex;gap:2px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:3px;margin-bottom:24px}.auth-tab{flex:1;padding:8px;border:none;border-radius:8px;background:transparent;color:var(--muted);font-family:var(--sans);font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}.auth-tab.active{background:var(--accent);color:#fff}.auth-tab:not(.active):hover{color:var(--text)}.auth-field{margin-bottom:12px}.auth-label{display:block;font-size:11px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--muted);font-family:var(--mono);margin-bottom:6px}.auth-input{width:100%;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:12px 16px;color:var(--text);font-family:var(--sans);font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s}.auth-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #7c6aff1f}.auth-input.error{border-color:var(--red)}.password-wrap{position:relative;display:flex;align-items:center}.password-wrap .auth-input{padding-right:44px;margin-bottom:0}.pw-toggle{position:absolute;right:12px;background:none;border:none;cursor:pointer;color:var(--muted);padding:4px;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:color .15s,background .15s;flex-shrink:0}.pw-toggle:hover{color:var(--text);background:#ffffff0d}.pw-toggle.active{color:var(--accent)}.auth-error{font-size:12px;color:var(--red);font-family:var(--mono);margin-top:-6px;margin-bottom:12px;padding:8px 12px;background:#ff4f6a14;border:1px solid rgba(255,79,106,.2);border-radius:8px;display:none}.auth-error.visible{display:block;animation:msgIn .2s var(--anim)}.auth-btn{width:100%;background:var(--accent);border:none;border-radius:10px;padding:13px;color:#fff;font-family:var(--sans);font-size:15px;font-weight:700;cursor:pointer;transition:background .15s,transform .1s;margin-top:8px;display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px}.auth-btn:hover:not(:disabled){background:#9483ff}.auth-btn:active:not(:disabled){transform:scale(.98)}.auth-btn:disabled{opacity:.6;cursor:not-allowed}.auth-btn .spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none}.auth-btn.loading .spinner{display:block}.auth-btn.loading .btn-text{opacity:0;position:absolute}.auth-notice{font-size:11px;color:var(--muted);text-align:center;margin-top:16px;font-family:var(--mono);line-height:1.7}.sidebar{width:260px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.sidebar-logo{padding:24px 20px 16px;font-size:22px;font-weight:800;letter-spacing:-1px;color:var(--text);display:flex;align-items:center;justify-content:space-between}.sidebar-logo .logo-text span{color:var(--accent)}.logout-btn{background:none;border:1px solid var(--border);border-radius:8px;padding:5px 10px;color:var(--muted);font-family:var(--mono);font-size:11px;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:5px}.logout-btn:hover{border-color:var(--accent2);color:var(--accent2)}.sidebar-section{padding:10px 16px 6px;font-size:10px;font-weight:600;letter-spacing:2px;color:var(--muted);text-transform:uppercase;font-family:var(--mono)}.room-list{padding:4px 8px}.room-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;cursor:pointer;transition:background .15s,color .15s;font-size:14px;font-weight:600;color:var(--muted);position:relative}.room-item:hover{background:var(--panel);color:var(--text)}.room-item.active{background:#7c6aff26;color:var(--accent)}.room-item.active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:60%;background:var(--accent);border-radius:0 4px 4px 0}.room-hash{font-family:var(--mono);opacity:.5}.users-section{padding:4px 8px;flex:1;overflow-y:auto;margin-top:4px}.user-item{display:flex;align-items:center;gap:10px;padding:7px 12px;border-radius:10px;font-size:13px;font-weight:600;color:var(--muted);transition:all .15s}.user-item:hover{background:var(--panel);color:var(--text)}.user-me{color:var(--accent)}.user-me-tag{font-size:9px;font-family:var(--mono);background:#7c6aff26;color:var(--accent);border-radius:4px;padding:1px 5px;margin-left:2px}.user-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;overflow:hidden}.user-avatar img{width:100%;height:100%;object-fit:cover}.user-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green);flex-shrink:0;margin-left:auto}@media (max-width: 640px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:50;transform:translate(-100%);transition:transform .25s var(--anim)}.sidebar.open{transform:translate(0);box-shadow:4px 0 32px #00000080}}.main{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg);min-width:0}.topbar{height:60px;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:12px;flex-shrink:0;background:#0c0c10cc;backdrop-filter:blur(12px)}.topbar-menu-btn{display:none;background:none;border:none;color:var(--muted);cursor:pointer;padding:4px;border-radius:6px;flex-shrink:0}.topbar-menu-btn:hover{color:var(--text);background:var(--panel)}@media (max-width: 640px){.topbar-menu-btn{display:flex;align-items:center;justify-content:center}}.topbar-room{font-size:16px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:6px}.topbar-room .hash{color:var(--accent);font-family:var(--mono);font-size:18px}.topbar-divider{width:1px;height:20px;background:var(--border)}.topbar-count{font-size:12px;color:var(--muted);font-family:var(--mono);display:flex;align-items:center;gap:6px}.online-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 5px var(--green);animation:pulse 2s infinite;flex-shrink:0}.conn-badge{margin-left:auto;font-size:10px;font-family:var(--mono);padding:3px 10px;border-radius:20px;font-weight:600;flex-shrink:0}.conn-badge.connected{background:#3dffa01a;color:var(--green);border:1px solid rgba(61,255,160,.2)}.conn-badge.disconnected{background:#ff6a8e1a;color:var(--accent2);border:1px solid rgba(255,106,142,.2)}.messages{flex:1;overflow-y:auto;padding:20px 0 8px;display:flex;flex-direction:column;gap:2px;scroll-behavior:smooth}.msg-group{display:flex;flex-direction:column;padding:2px 20px;animation:msgIn .3s var(--anim) both}.msg-row{display:flex;align-items:flex-end;gap:10px}.msg-row.mine{flex-direction:row-reverse}.msg-avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0;overflow:hidden;margin-bottom:2px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}.msg-bubble-wrap{display:flex;flex-direction:column;max-width:68%;gap:2px}.msg-row.mine .msg-bubble-wrap{align-items:flex-end}.msg-meta{display:flex;align-items:baseline;gap:8px;padding:0 4px;margin-bottom:2px}.msg-row.mine .msg-meta{flex-direction:row-reverse}.msg-username{font-size:12px;font-weight:700;color:var(--accent)}.msg-row.mine .msg-username{color:var(--accent2)}.msg-time{font-size:10px;color:var(--muted);font-family:var(--mono)}.msg-bubble{padding:10px 14px;font-size:14px;line-height:1.55;color:var(--text);background:var(--bubble-ot);border:1px solid var(--border);border-radius:18px 18px 18px 6px;word-break:break-word;transition:filter .15s;white-space:pre-wrap}.msg-row.mine .msg-bubble{background:var(--bubble-me);border-color:#7c6aff40;border-bottom-left-radius:18px;border-bottom-right-radius:6px}.msg-bubble:hover{filter:brightness(1.08)}.msg-edited{font-size:10px;color:var(--muted);font-family:var(--mono);margin-top:2px;padding:0 4px}.msg-system{display:flex;align-items:center;justify-content:center;gap:8px;padding:6px 20px;animation:msgIn .3s var(--anim) both}.msg-system-text{font-size:11px;color:var(--muted);font-family:var(--mono);background:var(--surface);border:1px solid var(--border);padding:3px 12px;border-radius:20px}.typing-bar{padding:4px 24px 8px;min-height:28px;font-size:11px;color:var(--muted);font-family:var(--mono);display:flex;align-items:center;gap:8px;flex-shrink:0}.typing-dots span{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--accent);animation:bounce .9s infinite;margin-right:2px}.typing-dots span:nth-child(2){animation-delay:.15s}.typing-dots span:nth-child(3){animation-delay:.3s}.composer{padding:8px 20px 20px;flex-shrink:0}.composer-inner{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:flex-end;gap:10px;padding:12px 14px;transition:border-color .2s,box-shadow .2s}.composer-inner:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #7c6aff1a}.composer-input{flex:1;background:none;border:none;outline:none;color:var(--text);font-family:var(--sans);font-size:14px;line-height:1.5;resize:none;max-height:140px;height:22px}.composer-input::placeholder{color:var(--muted)}.composer-send{width:36px;height:36px;border-radius:10px;background:var(--accent);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,transform .1s;color:#fff}.composer-send:hover{background:#9483ff;transform:scale(1.05)}.composer-send:active{transform:scale(.96)}.composer-send svg{width:16px;height:16px}