*, *::before, *::after {
box-sizing: border-box;
}
body {
font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
margin: 0;
background: #18181b;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
}
.keyboard-board {
background: #27272a;
padding: 40px;
border-radius: 16px;
box-shadow: 0 20px 40px rgba(0,0,0,0.8), inset 0 2px 2px rgba(255,255,255,0.05);
border: 1px solid #111827;
}
.mech-key {
position: relative;
background: transparent;
border: none;
padding: 0;
width: 140px;
height: 100px;
cursor: pointer;
outline: none;
}
.key-base {
position: absolute;
bottom: 0;
left: 0;
width: 100%;
height: 90px;
background: #09090b;
border-radius: 12px;
box-shadow: 0 10px 15px rgba(0, 0, 0, 0.8);
z-index: 1;
}
.key-cap {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 90px;
background: linear-gradient(180deg, #52525b, #3f3f46);
border-radius: 12px;
z-index: 2;
display: flex;
justify-content: center;
align-items: center;
/* Top highlighting and profound bottom shadow for depth */
box-shadow: inset 0 2px 2px rgba(255,255,255,0.2), inset 0 -6px 10px rgba(0,0,0,0.6), 0 10px 0 #18181b, 0 10px 10px rgba(0,0,0,0.5);
transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.1s cubic-bezier(0.4, 0, 0.2, 1);
border: 1px solid #71717a;
border-bottom: none;
}
.key-legend {
color: #e4e4e7;
font-weight: 800;
font-size: 1.25rem;
letter-spacing: 1px;
text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}
/* The satisfying press interaction */
.mech-key:active .key-cap {
transform: translateY(8px);
/* Compress the shadow to mimic physical travel distance */
box-shadow: inset 0 2px 2px rgba(255,255,255,0.2), inset 0 -2px 6px rgba(0,0,0,0.6), 0 2px 0 #18181b, 0 2px 5px rgba(0,0,0,0.5);
}
