/* Bosco Activity Finder — supplied classroom stylesheet.
   Link in <head>: <link rel="stylesheet" href="styles.css">
   Students: adapt colours, spacing and layout, then test your changes. */

/* Include borders and padding within declared widths. */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: #172d3b;
  background: #f1f5f7;
}

header {
  padding: 2.5rem max(1rem, calc((100% - 960px) / 2));
  color: #ffffff;
  background: #163d52;
}

h1, h2 { line-height: 1.2; }
h1 { margin: 0 0 0.75rem; font-size: clamp(2rem, 5vw, 3rem); }
h2 { margin-top: 0; }
header p { margin-bottom: 0; }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem max(1rem, calc((100% - 960px) / 2));
  background: #ffffff;
  border-bottom: 1px solid #c4d2da;
}

a { color: #164e70; text-underline-offset: 0.2em; }
nav a { padding: 0.6rem 0.85rem; font-weight: bold; }
nav a:hover { background: #e3edf2; }

main { width: min(100% - 2rem, 960px); margin: 2rem auto; }
section {
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid #c4d2da;
  border-radius: 0.75rem;
  scroll-margin-top: 1rem;
}

img { display: block; max-width: 100%; height: auto; }
#about img { width: 100%; margin: 1rem 0; border-radius: 0.5rem; }
ul { padding-left: 1.5rem; }
li { margin-bottom: 0.4rem; }
#finder { margin-top: 1.5rem; }
#privacy-note { padding: 0.75rem 1rem; background: #edf4f7; }

fieldset {
  display: grid;
  gap: 0.65rem;
  min-width: 0;
  margin: 0;
  padding: 1.25rem;
  border: 1px solid #627986;
  border-radius: 0.5rem;
}
legend { padding: 0 0.5rem; font-weight: bold; }
label { font-weight: bold; }
select, button { font: inherit; min-height: 44px; }
select {
  width: 100%;
  min-width: 0;
  margin-bottom: 0.65rem;
  padding: 0.7rem;
  color: #172d3b;
  background: #ffffff;
  border: 1px solid #627986;
  border-radius: 0.3rem;
}
button {
  padding: 0.75rem 1.25rem;
  color: #ffffff;
  background: #185b49;
  border: 2px solid #185b49;
  border-radius: 0.3rem;
  font-weight: bold;
  cursor: pointer;
}
button:hover { background: #103e32; border-color: #103e32; }

/* A strong outline helps keyboard users see where they are. */
a:focus-visible, select:focus-visible, button:focus-visible,
#finder-result:focus {
  outline: 3px solid #7b2d85;
  outline-offset: 3px;
}

#finder-result {
  padding: 1rem;
  color: #173d32;
  background: #e6f3eb;
  border-left: 5px solid #185b49;
  overflow-wrap: anywhere;
}
/* Keep results concealed until JavaScript removes the hidden attribute. */
[hidden] { display: none !important; }
footer { padding: 1.5rem; text-align: center; color: #ffffff; background: #163d52; }
footer p { margin: 0; }

/* Narrow screens: reduce spacing and give navigation full-width targets. */
@media (max-width: 600px) {
  header { padding: 1.75rem 1rem; }
  nav { flex-direction: column; }
  main { margin: 1rem auto; }
  section { padding: 1rem; }
  fieldset { padding: 0.85rem; }
}