.typewriter-calculator{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#2c3e50,#34495e);padding:20px;font-family:Courier New,monospace}.typewriter-body{background:linear-gradient(145deg,#4a4a4a,#2d2d2d,#1a1a1a);border-radius:20px 20px 10px 10px;padding:30px;box-shadow:0 20px 40px #0009,inset 0 2px 4px #ffffff1a;position:relative;min-width:450px}.brand-plate{background:linear-gradient(145deg,#a68940,#b8860b);color:#000;text-align:center;padding:10px;border-radius:8px;margin-bottom:20px;box-shadow:inset 0 1px 3px #0000004d}.brand-text{font-size:18px;font-weight:700;letter-spacing:3px}.model-text{font-size:10px;opacity:.8;margin-top:2px}.typewriter-display{margin-bottom:30px;display:flex;justify-content:center}.paper{background:beige;width:420px;height:120px;border-radius:4px;box-shadow:0 0 10px #0000004d,inset 0 0 5px #0000001a;position:relative;overflow:hidden}.paper:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:#ff6b6b;margin-left:20px}.paper:after{content:"";position:absolute;left:0;right:0;top:0;height:100%;background-image:repeating-linear-gradient(transparent,transparent 23px,#e0e0e0 23px,#e0e0e0 24px)}.paper-content{padding:20px 30px;height:100%;display:flex;align-items:center;justify-content:flex-end;position:relative;z-index:1}.calculation-text{font-size:28px;font-weight:700;color:#2c3e50;font-family:Courier New,monospace;min-height:35px;display:flex;align-items:center}.cursor{opacity:0;transition:opacity .1s}.cursor.visible{opacity:1}.keyboard-section{background:linear-gradient(145deg,#3a3a3a,#2a2a2a);padding:20px;border-radius:15px;box-shadow:inset 0 3px 10px #0006}.row{margin-top:10px;display:flex;justify-content:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}.typewriter-key{position:relative;background:none;border:none;cursor:pointer;width:58px;height:50px;margin:1px}.key-top{width:100%;height:100%;background:linear-gradient(145deg,#f0f0f0,#d0d0d0);border-radius:6px;box-shadow:0 3px 6px #0000004d,inset 0 1px 2px #fffc;transition:all .1s ease;display:flex;align-items:center;justify-content:center}.typewriter-key:hover .key-top{background:linear-gradient(145deg,#e0e0e0,silver);box-shadow:0 2px 4px #0000004d,inset 0 1px 2px #fffc}.typewriter-key:active .key-top{transform:translateY(2px);box-shadow:0 1px 2px #0000004d,inset 0 1px 3px #0003}.key-face{font-size:14px;font-weight:700;color:#333;font-family:Courier New,monospace}.special-key .key-top{background:linear-gradient(145deg,gold,#daa520)}.special-key:hover .key-top{background:linear-gradient(145deg,#ffed4e,#d4af37)}.key-content{display:flex;flex-direction:column;align-items:center;gap:1px}.key-content span{font-size:10px;line-height:1}.clear-key .key-top{background:linear-gradient(145deg,#ff6b6b,#e74c3c);color:#fff}.clear-key:hover .key-top{background:linear-gradient(145deg,#ff5252,#c0392b)}.typewriter-feet{position:absolute;bottom:-15px;left:0;right:0;display:flex;justify-content:space-between;padding:0 40px}.foot{width:30px;height:15px;background:linear-gradient(145deg,#666,#333);border-radius:0 0 15px 15px;box-shadow:0 5px 10px #0006}@media (max-width: 480px){.typewriter-body{min-width:auto;padding:20px}.paper{width:280px;height:100px}.calculation-text{font-size:24px}.typewriter-key{width:30px;height:30px}}