:root{--bg:#0f172a;--fg:#e5e7eb;--muted:#94a3b8}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial}button{appearance:none;border:none;border-radius:16px;padding:12px 16px;background:#ffffff0f;color:var(--fg);font-size:16px;font-weight:600;backdrop-filter:blur(6px);transition:transform .08s ease,background .2s ease,opacity .2s ease}button:active{transform:scale(.98)}button:disabled{opacity:.5;cursor:not-allowed;transform:none!important}button[aria-pressed=true]{background:linear-gradient(135deg,#38bdf840,#f472b640)}.container{height:100vh;padding:4px;display:flex;flex-direction:column;gap:4px;overflow:hidden}.card{background:#ffffff0f;border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:8px;box-shadow:0 10px 30px #00000040;flex:1;display:flex;flex-direction:column;overflow:hidden}.title{font-size:clamp(24px,4vw,32px);font-weight:800;margin:12px 0 2px}.subtitle{color:var(--muted);margin-bottom:16px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.canvas-wrap{flex:1;display:flex;align-items:center;justify-content:center;position:relative;overflow:auto}canvas{display:block;width:100%;height:100%;border-radius:20px;background:#111827;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;user-drag:none}.badge{font-size:12px;color:var(--muted)}.modal-backdrop{position:fixed;inset:0;background:#0000008c;display:flex;align-items:center;justify-content:center;padding:24px}.modal{width:100%;max-width:520px;background:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:20px;text-align:center;box-shadow:0 25px 80px #00000073}.modal h3{margin-top:0;font-size:22px}.modal p{line-height:1.6;color:var(--fg);opacity:.95}.footer-buttons{display:flex;gap:10px;justify-content:center}.loading-screen{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:1000}.loading-content{text-align:center;padding:40px;max-width:400px;width:90%}.loading-logo h1{font-size:4rem;margin:0 0 .5rem;animation:pulse 2s ease-in-out infinite}.loading-logo h2{font-size:1.5rem;margin:0 0 2rem;color:var(--fg);font-weight:600}.loading-progress{margin:2rem 0}.progress-bar{width:100%;height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden;margin-bottom:1rem}.progress-fill{height:100%;background:linear-gradient(90deg,#38bdf8,#06b6d4);border-radius:4px;transition:width .3s ease}.progress-text{display:flex;justify-content:space-between;margin-bottom:.5rem;font-size:.9rem;color:var(--muted)}.current-resource{font-size:.8rem;color:var(--muted);opacity:.8;min-height:1.2rem}.loading-tips{margin-top:1.5rem;font-size:1rem;color:var(--fg);opacity:.9}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}