*{margin:0;padding:0;box-sizing:border-box}body{overflow:hidden;background:#000;font-family:Segoe UI,system-ui,sans-serif}#app{position:relative;width:100vw;height:100vh}#canvas{display:block;width:100%;height:100%}.hidden{display:none!important}#loading-screen{position:fixed;top:0;right:0;bottom:0;left:0;background:#1a1a2e;display:flex;align-items:center;justify-content:center;z-index:100;color:#eee}.loader{text-align:center}.loader h2{margin-bottom:20px;font-weight:300;font-size:24px}.progress-bar{width:300px;height:6px;background:#333;border-radius:3px;overflow:hidden;margin-bottom:12px}.progress-fill{width:0%;height:100%;background:linear-gradient(90deg,#6c63ff,#48c6ef);border-radius:3px;transition:width .3s}#loading-text{font-size:14px;color:#999}#interact-prompt{position:fixed;bottom:120px;left:50%;transform:translate(-50%);background:#000000b3;color:#fff;padding:10px 20px;border-radius:8px;font-size:16px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10;pointer-events:none}#interact-prompt kbd{background:#555;padding:2px 8px;border-radius:4px;font-family:inherit;font-weight:700}#chat-panel{position:fixed;bottom:20px;left:50%;transform:translate(-50%);width:420px;max-height:400px;background:#14141eeb;border:1px solid rgba(255,255,255,.1);border-radius:12px;display:flex;flex-direction:column;z-index:20;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);overflow:hidden}#chat-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.1);color:#eee;font-weight:500}#chat-close{background:none;border:none;color:#999;font-size:20px;cursor:pointer}#chat-close:hover{color:#fff}#chat-messages{flex:1;overflow-y:auto;padding:12px 16px;max-height:260px;display:flex;flex-direction:column;gap:8px}.chat-msg{padding:8px 12px;border-radius:8px;font-size:14px;line-height:1.4;max-width:85%;word-wrap:break-word}.chat-msg.user{background:#6c63ff;color:#fff;align-self:flex-end;border-bottom-right-radius:2px}.chat-msg.npc{background:#ffffff1a;color:#ddd;align-self:flex-start;border-bottom-left-radius:2px}.chat-msg.system{color:#888;font-size:12px;text-align:center;align-self:center}#chat-input-area{display:flex;padding:12px;gap:8px;border-top:1px solid rgba(255,255,255,.1)}#chat-input{flex:1;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:8px 12px;color:#eee;font-size:14px;outline:none}#chat-input:focus{border-color:#6c63ff}#chat-send{background:#6c63ff;color:#fff;border:none;border-radius:8px;padding:8px 16px;cursor:pointer;font-size:14px}#chat-send:hover{background:#5a52e0}#controls-help{position:fixed;bottom:12px;right:12px;display:flex;gap:12px;z-index:5}#controls-help span{background:#00000080;color:#aaa;padding:4px 10px;border-radius:4px;font-size:12px}.chat-bubble{background:#fff;color:#333;padding:8px 14px;border-radius:12px;font-size:13px;max-width:200px;word-wrap:break-word;box-shadow:0 2px 8px #0003;pointer-events:none;position:relative}.chat-bubble:after{content:"";position:absolute;bottom:-8px;left:20px;width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-top:8px solid white}