:root{
    --primary:#398564;
    --bg:#f4f6f5;
    --card:#ffffff;
    --text:#222;
}

body{
    margin:0;
    font-family:Arial;
    background:var(--bg);
    color:var(--text);
}

/* HEADER */
header{
    background:var(--primary);
    color:#fff;
    padding:15px;
    display:flex;
    justify-content:space-between;
}

/* NAV */
nav a{
    color:#fff;
    margin:0 10px;
    text-decoration:none;
}

/* GRID SYSTEM */
.container{
    padding:20px;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:15px;
}

/* CARDS */
.card{
    background:var(--card);
    padding:15px;
    border-radius:10px;
    box-shadow:0 2px 10px rgba(0,0,0,0.08);
}

/* BUTTONS */
button, .btn{
    background:var(--primary);
    color:#fff;
    border:none;
    padding:10px 15px;
    border-radius:6px;
    cursor:pointer;
}

/* ADMIN LAYOUT */
.admin-wrapper{
    display:flex;
    min-height:100vh;
}

.sidebar{
    width:220px;
    background:var(--primary);
    color:#fff;
    padding:20px;
}

.sidebar a{
    display:block;
    color:#fff;
    margin:10px 0;
    text-decoration:none;
}

.admin-content{
    flex:1;
    padding:20px;
}