:root{--lightningcss-light:initial;--lightningcss-dark: ;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:#ffffffde;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#242424;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}a{color:#646cff;-webkit-text-decoration:inherit;text-decoration:inherit;font-weight:500}a:hover{color:#535bf2}body{place-items:center;min-width:320px;min-height:100vh;margin:0;display:flex}h1{font-size:3.2em;line-height:1.1}button{cursor:pointer;background-color:#1a1a1a;border:1px solid #0000;border-radius:8px;padding:.6em 1.2em;font-family:inherit;font-size:1em;font-weight:500;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg:#0f1720;--card:#1f2226;--muted:#9aa0a6;--accent:#646cff;--danger:#ff6b6b;--line:#ffffff0f}body{color:#e6eef8;background:linear-gradient(#081018 0%,#0d1218 100%);height:100vh;margin:0;font-family:Inter,Arial,sans-serif}.app.bw-mode{filter:grayscale()}.instagram-icon{cursor:pointer;background:linear-gradient(45deg,#f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%);border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;transition:transform .2s;display:flex;position:fixed;bottom:60px;right:20px;box-shadow:0 4px 8px #0000004d}.instagram-icon:hover{transform:scale(1.1)}.instagram-icon svg{fill:#fff;width:24px;height:24px}.app{width:100vw;height:100vh;display:flex}.join-room{background:var(--card);box-sizing:border-box;text-align:center;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:28px;display:flex}.join-room input{color:#e6eef8;background:#ffffff05;border:1px solid #ffffff0f;border-radius:8px;width:60%;max-width:320px;padding:10px 12px}.join-room button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;margin-top:8px;padding:10px 14px}.chat-room.dark{background:linear-gradient(#ffffff05,#ffffff03);flex-direction:column;width:100%;height:100vh;display:flex;overflow:hidden}.chat-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:18px 20px;display:flex}.chat-header h2{margin:0;font-size:20px}.chat-header .leave{background:var(--danger);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:8px 12px}.messages{flex:1;padding:18px 20px;overflow-y:auto}.empty{color:var(--muted)}.message{margin-bottom:12px;line-height:1.35}.user{color:var(--accent);margin-right:6px;font-weight:700}.file-preview{align-items:center;gap:12px;margin-top:8px;display:flex}.file-preview img{object-fit:cover;border:1px solid #ffffff08;border-radius:8px;max-width:160px;max-height:120px}.file-meta{flex-direction:column;gap:6px;display:flex}.file-link a{color:#cfe1ff;text-decoration:underline}.file-size{color:var(--muted);margin-left:8px;font-size:12px}.message-input{border-top:1px solid var(--line);background:linear-gradient(#00000008,#ffffff01);align-items:center;gap:12px;padding:14px 16px;display:flex}.message-input input[type=text]{color:#eaf2ff;background:#ffffff05;border:1px solid #ffffff0a;border-radius:8px;flex:1;padding:10px 12px}.message-input button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:10px 14px}.attach-area{align-items:center;gap:8px;display:flex}.attach-btn{color:#cfe1ff;cursor:pointer;background:0 0;border:1px solid #ffffff0d;border-radius:999px;padding:8px 12px}.upload-bar{border-top:1px solid var(--line);align-items:center;gap:12px;height:36px;padding:6px 12px;display:flex;position:relative}.upload-progress{background:linear-gradient(90deg,#7f83ff,#b2b6ff);border-radius:8px;width:0%;height:8px;transition:width .15s linear}.upload-text{color:var(--muted);font-size:13px}