:root{--bg-color:#0f172a;--text-color:#f8fafc;--grid-bg:#1e293b;--key-bg:#334155;--key-text:#f8fafc;--color-correct:#10b981;--color-present:#f59e0b;--color-absent:#475569;--color-empty:#1e293b;--color-border:#334155;--color-primary:#3b82f6}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);justify-content:center;min-height:100vh;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}#root{flex-direction:column;width:100%;max-width:500px;display:flex}.app-container{flex-direction:column;height:100vh;padding:1rem;display:flex}header{text-align:center;border-bottom:1px solid var(--color-border);margin-bottom:2rem;padding:1rem 0}h1{letter-spacing:.1em;background:linear-gradient(90deg,#38bdf8,#818cf8);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0;font-size:2.5rem;font-weight:800}.grid-container{flex-direction:column;flex-grow:1;align-items:center;gap:.5rem;display:flex}.grid-row{gap:.5rem;display:flex}.grid-cell{text-transform:uppercase;border:2px solid var(--color-border);background-color:var(--color-empty);border-radius:.5rem;justify-content:center;align-items:center;width:3.5rem;height:3.5rem;font-size:2rem;font-weight:700;transition:all .3s;display:flex;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.grid-cell.active{border-color:var(--color-primary);transform:scale(1.05)}.grid-cell.correct{background-color:var(--color-correct);border-color:var(--color-correct);color:#fff}.grid-cell.present{background-color:var(--color-present);border-color:var(--color-present);color:#fff;border-radius:50%}.grid-cell.absent{background-color:var(--color-absent);border-color:var(--color-absent);color:#fff}.keyboard{flex-direction:column;gap:.5rem;width:100%;padding-bottom:1rem;display:flex}.keyboard-row{justify-content:center;gap:.3rem;display:flex}.key{background-color:var(--key-bg);min-width:2.5rem;height:3.5rem;color:var(--key-text);cursor:pointer;-webkit-user-select:none;user-select:none;border:none;border-radius:.3rem;flex:1;justify-content:center;align-items:center;font-size:1.1rem;font-weight:600;transition:all .15s;display:flex;box-shadow:0 2px 4px #0003}.key:hover{filter:brightness(1.2)}.key:active{transform:scale(.95)}.key.large{background-color:var(--color-primary);flex:1.5;font-size:.9rem}.key.correct{background-color:var(--color-correct)}.key.present{background-color:var(--color-present)}.key.absent{background-color:var(--color-absent);opacity:.5}.modal-overlay{z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--grid-bg);text-align:center;border:1px solid var(--color-border);border-radius:1rem;padding:2rem;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.modal h2{margin-bottom:1rem;font-size:2rem}.modal p{color:var(--text-color);margin-bottom:1.5rem;font-size:1.2rem}.modal button{background:var(--color-primary);color:#fff;cursor:pointer;border:none;border-radius:.5rem;padding:.75rem 1.5rem;font-size:1.1rem;font-weight:600;transition:background .2s}.modal button:hover{background:#2563eb}