:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0}html,body,#root{min-height:100vh;background:#0a0a0a;color:#fafafa}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:2rem 1.5rem;gap:2rem}.header{text-align:center}.header h1{font-size:2.5rem;font-weight:800;letter-spacing:-.03em;margin-bottom:.25rem}.header h1 span{color:#a78bfa}.header p{color:#ffffff80;font-size:.95rem}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;max-width:420px;width:100%}.pad{position:relative;aspect-ratio:1;border:none;border-radius:1rem;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.35rem;background:color-mix(in srgb,var(--pad-color) 18%,#111);border:2px solid color-mix(in srgb,var(--pad-color) 30%,transparent);transition:transform .1s,box-shadow .1s,background .1s;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;touch-action:manipulation}.pad:active,.pad.active{transform:scale(.93);background:color-mix(in srgb,var(--pad-color) 35%,#111);box-shadow:0 0 20px color-mix(in srgb,var(--pad-color) 50%,transparent),inset 0 0 20px color-mix(in srgb,var(--pad-color) 20%,transparent)}.pad-icon{font-size:1.75rem;font-weight:700;color:var(--pad-color);line-height:1}.pad-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:#ffffff80}.footer{margin-top:auto;color:#ffffff40;font-size:.75rem}@media(max-width:400px){.grid{grid-template-columns:repeat(3,1fr);gap:.75rem}.header h1{font-size:2rem}}