html,body{margin:0;padding:0;height:100%;overflow:hidden;font-family:Times;background:#f0f0f0;font-size:16px}.walking-together{position:fixed;inset:0;overflow:hidden}.user-setup{position:absolute;right:.5em;top:4px;margin:1em 0;display:flex;flex-direction:column;align-items:flex-end;gap:.25em;z-index:10}.user-setup input[type=text]{padding:.5em;font-family:Cousine,Courier,monospace}.url-chat{font-size:14px;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:450px;height:450px;z-index:10;display:flex;flex-direction:column;overflow-y:auto}.url-chat .url-list{flex:1;border:1px solid #ccc;overflow-y:auto;padding:1em;font-family:Cousine,Courier,monospace;background:#fff;display:flex;flex-direction:column-reverse;justify-content:flex-start}.url-chat .url-list::-webkit-scrollbar{width:6px}.url-chat .url-list::-webkit-scrollbar-track{background:#f1f1f1}.url-chat .url-list::-webkit-scrollbar-thumb{background:#888;border-radius:3px}.url-chat .url-list{scrollbar-width:thin;scrollbar-color:#888 #f1f1f1}.url-chat .url-entry{margin:0;padding:.25em 0;word-break:break-all}.url-chat .timestamp{color:#666;font-size:.8em;margin-right:.5em}.url-chat .username{margin-right:.5em}.url-chat form{display:flex;gap:.5em;padding:.5em;background:#fff;border:1px solid #ccc;border-top:none}.url-chat form input{flex:1;padding:.5em;font-family:Cousine,Courier,monospace}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.group-activity{position:absolute;bottom:2em;left:50%;transform:translate(-50%);text-align:center;padding:1em;max-width:min(600px,90vw);z-index:10}.group-activity h3{display:none}.group-activity .instruction{font-size:1.5em;margin:0;font-style:italic}.group-activity .countdown{font-family:Cousine,Courier,monospace;color:#666;margin-top:.5em;font-size:.9em}button{padding:.5em 1em;background:#fff;border:1px solid #ccc;cursor:pointer}button:hover{background:#f0f0f0}input{border:1px solid #ccc}.session-index{font-family:Cousine,Courier,monospace;margin-top:1em}.session-index ul{list-style:none;padding:0}.session-index li{display:flex;align-items:baseline;gap:.75em;padding:.4em 0}.session-index li.archived{opacity:.55}.session-index .session-date{color:#666;font-size:.8em}.session-index .session-tag{font-size:.7em;text-transform:uppercase;letter-spacing:.05em;color:#888}.session-index .session-tag.join{color:#1a7f5a}.admin-panel{position:fixed;bottom:1em;right:1em;z-index:20}.admin-panel .portrait-trigger{display:inline-flex;align-items:center;justify-content:center;padding:4px;background:none;border:none;color:#888;opacity:.25;cursor:pointer;transition:opacity .15s ease}.admin-panel .portrait-trigger:hover{background:none;opacity:.8}.admin-panel .portrait-trigger:disabled{opacity:.12;cursor:not-allowed}.portrait-overlay{position:fixed;inset:0;z-index:1000;background:#faf9f6}.portrait-overlay .portrait-close{position:absolute;top:12px;right:16px;z-index:1001;font-size:20px;line-height:1;padding:2px 10px;background:#fff;border:1px solid #ccc;cursor:pointer}