/* ==============================
   Bitcoin Wire – Stylesheet
   ============================== */

:root {
  --bitcoin-orange: #f7931a;
  --bg-color: #ffffff;
  --text-color: #222222;
  --link-color: var(--bitcoin-orange);
  --link-hover: #e07b12;
  --meta-color: #555555;
}

/* ---------- Global ---------- */
body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

/* ---------- Header ---------- */
header {
  text-align: center;
  padding: 1rem;
  border-bottom: 2px solid #eee;
}

header h1 a {
  color: var(--bitcoin-orange);
  font-size: 2rem;
  font-weight: 700;
}

header p#updated {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--meta-color);
}

/* ---------- Main / Grid ---------- */
main.grid {
  display: flex;
  gap: 1rem; /* space between columns */
  padding: 1rem;
}

main.grid .col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0 1rem; /* padding inside columns */
}

/* Add Bitcoin-orange border between columns */
main.grid .col:not(:first-child) {
  border-left: 2px solid rgba(247, 147, 26, 0.3); /* 30% opacity Bitcoin orange */
  padding-left: 1rem;
}

/* ---------- Article Links ---------- */
#app a {
  display: block;
  padding: 0.25rem 0;
  font-size: 0.95rem;
}

#app a.big {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--bitcoin-orange);
}

#app a:hover {
  color: var(--link-hover);
}

/* Meta information */
.meta {
  font-size: 0.8rem;
  color: var(--meta-color);
  display: block;
}

/* ---------- Footer ---------- */
footer {
  text-align: center;
  padding: 1rem;
  border-top: 2px solid #eee;
  font-size: 0.8rem;
  color: var(--meta-color);
}

footer a {
  color: var(--bitcoin-orange);
}

footer a:hover {
  text-decoration: underline;
}

/* ---------- Pagination ---------- */
#pagination {
  text-align: center;
  margin: 20px 0;
}

#pagination button {
  background-color: var(--bitcoin-orange);
  color: #fff;
  border: none;
  padding: 6px 12px;
  margin: 0 2px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color 0.2s;
}

#pagination button:hover:not(:disabled) {
  background-color: #e07b12;
}

#pagination button:disabled {
  background-color: #aaa;
  cursor: default;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  main.grid {
    flex-direction: column;
  }
  main.grid .col {
    border-left: none;
    padding-left: 0;
  }
  /* Make pagination buttons slightly smaller on mobile */
  #pagination button {
    padding: 4px 8px;
    font-size: 0.8rem;
  }
}