/* ==========================================================================\n   Constellation Lab — JavaScript Fundamentals\n    Stylesheet\n   ========================================================================== */

/* Root design tokens (CSS variables) */
:root {
  /* Dark theme colors */
  --bg: #0e1116;
  --surface: #141922;
  --text: #e6e9f0;
  --muted: #aab0be;
  --brand: #3b82f6;
  --brand2: #22c55e;
  --ring: #ffffff;

  /* Other properties */
  --radius: 14px;
  --container: min(110ch, 92vw);
}

/* Light theme colors */
body.light-theme {
  --bg: #f5f6f9;
  --surface: #ffffff;
  --text: #1d2129;
  --muted: #5e6677;
  --brand: #2986cc;
  --brand2: #16a085;
  --ring: #000000;
}

/* Global resets & base */
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  background: radial-gradient(900px 600px at 10% 0%, #141922, #0e1116);
  color: var(--text);
  font: 16px/1.6 Inter, system-ui, Segoe UI, Roboto, Ubuntu, Cantarell, Arial, sans-serif;
  transition: background-color 0.5s ease;
}

a {
  color: #cfe0ff;
}

.container {
  width: var(--container);
  margin-inline: auto;
  padding-inline: 1rem;
}

/* Skip link (for accessibility) */
.skip-link {
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0;
  transform: translateY(-120%);
  background: var(--brand);
  color: #041220;
  padding: 0.5rem 0.75rem;
  border-bottom-right-radius: 8px;
  z-index: 99;
  transition: transform 0.2s ease-in-out;
}
.skip-link:focus {
  transform: translateY(0);
}

/* Site header style */
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(6px);
  background: #12161fdd;
  border-bottom: 1px solid #20293a;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  flex-wrap: wrap;
}

/* Nav style */
.nav-list {
  display: flex;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.nav-list a {
  display: inline-block;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
}
.nav-list a:hover {
  background: #1a2130;
}

/* Button styles */
.btn {
  display: inline-block;
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  background: #1a2130;
  color: #f1f5ff;
  border: 1px solid #223047;
  font-weight: 600;
  transition: background-color 0.2s;
}
.btn.primary {
  background: linear-gradient(135deg, var(--brand2), var(--brand));
  border: none;
  color: #041220;
}
.btn:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* Panel style (content cards) */
.panel {
  background: var(--surface);
  border: 1px solid #20293a;
  border-radius: var(--radius);
  padding: 2rem;
  margin-top: 2rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: background-color 0.4s ease;
}

/* New class to change the entire panel background */
.panel--colored {
  background-color: var(--brand2);
}

/* Form styles */
#userForm {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 600px) {
  .grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}
#domSection.grid {
  align-items: stretch;
}

label {
  display: flex;
  flex-direction: column;
}
input[type='text'],
input[type='number'] {
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--muted);
  background: transparent;
  color: var(--text);
  margin-top: 0.25rem;
}
input:focus {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* Output style */
.output {
  margin-top: 1rem;
  background: #20293a;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px dashed var(--muted);
  min-height: 2.3rem;
  display: flex;
  align-items: center;
}
.list {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
/* New CSS for list alignment */
.list.left-align {
  align-items: flex-start;
}
.list.right-align {
  align-items: flex-end;
}
.list li {
  background: #20293a;
  padding: 0.5rem;
  border-radius: var(--radius);
}
.muted {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}
/* Style for the new DOM functionality */
.hidden {
  display: none;
}

/* ======================================================================\n   Footer - Adjustments for the new layout\n   ====================================================================== */

.footer-grid {
  display: grid;
  gap: 2rem;
  /* Define the column layout for larger screens */
  grid-template-columns: 1fr 2fr 1fr; 
  padding-block: 2rem 1rem;
}

/* Optional: Center the text in the side columns on larger screens */
@media (min-width: 768px) {
  .footer-grid section:first-child {
    justify-self: start;
    text-align: left;
  }
  .footer-grid section:last-child {
    justify-self: end;
    text-align: right;
  }
}

/* Styling for the new "impactful" section */
.footer-mission {
  text-align: center;
  /* Use a different font style for a special touch */
  font-family: 'Georgia', serif;
  font-style: italic;
  color: var(--muted);
}

/* Center copyright text in footer */
.legal {
  text-align: center;
}

/* Removes default bullets */
.site-footer ul {
  list-style: none;
  padding: 0;
}

/* Styles the links and adds the symbol after the text */
.site-footer ul li a {
  position: relative;
  display: inline-block;
  padding-right: 1.5rem; /* Adds space for the symbol */
}

/* The pseudo-element that creates the star */
.site-footer ul li a::after {
  content: '★';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--brand);

}