:root{font-family:Helvetica Neue,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400}body{margin:0;overflow:hidden;background-color:#f5f3ed;color:#333}#ui-overlay{position:absolute;top:0;left:0;width:100%;padding:2rem;box-sizing:border-box;pointer-events:none;display:flex;justify-content:space-between;align-items:flex-start;z-index:10}.header h1{margin:0;font-size:1.8rem;font-weight:300;letter-spacing:.1em;color:#2a2a2a;text-transform:uppercase}.header p{margin:.5rem 0 0;font-size:.85rem;opacity:.6;font-weight:300;letter-spacing:.05em}.controls{pointer-events:auto;display:flex;gap:.5rem}button{background:#ffffffe6;border:1px solid rgba(0,0,0,.1);color:#333;padding:0;font-size:1.1rem;font-weight:400;cursor:pointer;border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center;transition:all .2s;box-shadow:0 2px 8px #0000001a}button:hover{background:#fff;box-shadow:0 4px 12px #00000026;transform:translateY(-1px)}button:active{transform:translateY(0)}#info-panel{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fffffffa;padding:2.5rem 3rem;border-radius:12px;border:1px solid rgba(0,0,0,.08);z-index:100;display:none;opacity:0;transition:opacity .3s;box-shadow:0 20px 60px #00000026;min-width:340px}#info-panel h3{margin:0 0 1.5rem;font-size:1.3rem;font-weight:300;letter-spacing:.05em;color:#2a2a2a}#info-panel ul{margin:0 0 2rem;padding:0;list-style:none}#info-panel li{margin:1rem 0;font-size:.95rem;color:#555;font-weight:300}#info-panel strong{color:#2a2a2a;font-weight:500}.close-btn{width:100%;border-radius:6px;padding:.75em;background:#0000000d;border:1px solid rgba(0,0,0,.08)}#version{position:absolute;bottom:1.5rem;right:1.5rem;font-size:.75rem;opacity:.3;font-family:Courier New,monospace;pointer-events:none;z-index:5;color:#2a2a2a}#loader{position:absolute;top:0;left:0;width:100%;height:100%;background:#f5f3ed;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:100;opacity:1;transition:opacity .8s}.spinner{width:50px;height:50px;border:3px solid rgba(0,0,0,.1);border-radius:50%;border-top-color:#6b8e7f;animation:spin 1.2s ease-in-out infinite;margin-bottom:1.5rem}#loader p{font-size:.95rem;opacity:.6;font-weight:300;color:#2a2a2a}#error{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);background:#c83232f2;color:#fff;padding:1rem 2rem;border-radius:8px;font-size:.9rem;z-index:200;box-shadow:0 4px 20px #0003}@keyframes spin{to{transform:rotate(360deg)}}