:root{

/* Color Palette */
--green:#4B7F3A;   /* Master Chief armor */
--blue:#2FA8FF;    /* Halo HUD blue */
--grey:#2f2f2f;    /* metal / UI panels */
--black:#0a0a0a;   /* background */

}

body{
background:var(--black);
color:var(--green);
font-family:Arial, sans-serif;
font-size: 22px;
margin:0;
}

/* Header */
header{
background:var(--green);
color:black;
padding:20px;
text-align:center;
}

/* Navigation */
nav{
background:var(--grey);
padding:10px;
text-align:center;
}

nav button{
background:var(--blue);
color:black;
border:none;
padding:12px;
margin:5px;
font-weight:bold;
cursor:pointer;
transition:all 0.3s ease;
}

nav button:hover{
background:var(--green);
}

/* Sections */
section{
display:none;
padding:30px;
}

.active{
display:block;
}

/* Cards */
.card{
border:2px solid var(--green);
padding:20px;
background:#111;
box-shadow:0 0 10px var(--green);
}

/* Images */
img{
width:400px;
height:auto;
border:3px solid var(--blue);
margin-top:15px;

box-shadow:0 0 15px var(--blue),0 0 30px var(--blue);
transition:transform 0.3s, box-shadow 0.3s;
display:block;
}

img:hover{
transform:scale(1.05);
box-shadow:0 0 25px var(--blue),0 0 50px var(--blue);
}

/* Links */
a{
color:var(--blue);
}

/* Footer */
footer{
background:var(--grey);
color:var(--green);
text-align:center;
padding:10px;
}

/* Special images */
.decayChain{
width:auto;
height:auto;
display:block;
margin:40px auto;
border:3px solid var(--blue);
box-shadow:0 0 20px var(--blue);
}

/* Buttons */
button{
background-color:var(--grey);
color:var(--green);
border:2px solid var(--green);
padding:12px 20px;
margin:5px 0;
font-weight:bold;
cursor:pointer;

box-shadow:0 0 10px var(--green);
transition:all 0.3s ease;
}

button:hover:not(:disabled){
box-shadow:0 0 20px var(--green),0 0 40px var(--green);
transform:scale(1.05);
}

button:disabled{
background-color:#555;
color:#aaa;
cursor:not-allowed;
box-shadow:none;
}

/* Text inputs */
input[type="text"]{
background-color:var(--black);
color:var(--green);
border:2px solid var(--green);
padding:8px 12px;
font-weight:bold;

box-shadow:0 0 10px var(--green);
transition:all 0.3s ease;
}

input[type="text"]:focus{
outline:none;
box-shadow:0 0 20px var(--green),0 0 40px var(--green);
}
/* Fullscreen Image Viewer */

/* Fullscreen Image Viewer */

#imageViewer{
position:fixed;
top:0;
left:0;
width:100%;
height:100%;
background:rgba(0,0,0,0.92);
display:none;
align-items:center;
justify-content:center;
z-index:9999;
overflow:hidden;
}

/* Fullscreen viewer */

#imageViewer{
position:fixed;
top:0;
left:0;

width:100vw;
height:100vh;

background:rgba(0,0,0,0.95);

display:none;

justify-content:center;
align-items:center;

z-index:9999;
overflow:hidden;
}

#fullImage{
position:relative;

max-width:90vw;
max-height:90vh;

width:auto;
height:auto;

border:5px solid #2FA8FF;

box-shadow:
0 0 30px #2FA8FF,
0 0 60px #2FA8FF,
0 0 100px #2FA8FF;
}

/* Magnifying lens */

#magnifierLens{
position:absolute;

width:175px;
height:175px;

border:5px solid #2FA8FF;
border-radius:50%;

pointer-events:none;
display:none;

box-shadow:
0 0 20px #2FA8FF,
0 0 40px #2FA8FF;

background-repeat:no-repeat;
background-size:400%;

z-index:10000;
}

/* Close button */

#closeViewer{
position:absolute;
top:25px;
right:50px;
font-size:60px;
color:white;
cursor:pointer;
font-weight:bold;
}

.imageRow {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.imageRow img {
    width: 100%;
    height: 200px;       /* 🔥 THIS is what forces cropping */
    object-fit: cover;   /* crops evenly from center */
}