/* Look Again Ideas shared stylesheet
   Generated from the current site files. Put this file in the same folder
   as index.html and the article HTML files. */

/* Base page layout */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #f5f5f7;
  color: #222;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

main {
  padding: 2.5rem 0 3rem;
}

/* Header and navigation */
header {
  background: #111827;
  color: #f9fafb;
  padding: 1rem 1.5rem;
}

.index-page h2 {
  font-style: normal;
  font-weight: bold;
}

.site-title {
  font-size: 1.8rem;
  margin: 0;
  color: #f9fafb;
}

.tagline {
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
  color: #e5e7eb;
}

nav {
  margin-top: 0.75rem;
}

nav a {
  color: #f9fafb;
  margin-right: 1rem;
  font-size: 0.9rem;
  text-decoration: none;
}

nav a:visited {
  color: #f9fafb;
}

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

/* Links in article/index content */
a {
  color: #1f5f8b;
  text-decoration: none;
}

a:visited {
  color: #5a4f8f;
}

a:hover {
  color: #0f3f5c;
  text-decoration: underline;
}

/* Headings */
h1,
h2,
h3 {
  color: #111827;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

/* On article pages, h2 has mostly been used as a subtitle/deck. */
h2 {
  font-size: 1.4rem;
  margin-top: 0;
  margin-bottom: 1rem;
  font-style: italic;
  font-weight: normal;
  color: #374151;
}

h3 {
  font-size: 1.15rem;
  margin-top: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

ul {
  padding-left: 1.2rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.4rem;
}

.right {
  text-align: right;
}

/* Index/article-list page */
.articles-list li {
  margin-bottom: 0.5rem;
}

.articles-list li em {
  font-style: normal;
  font-weight: 600;
}

.article-date {
  font-style: italic;
  color: #666;
}

/* Email signup block on the index page */
.mailing-list {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #d1d5db;
}

.mailing-list form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.mailing-list input[type="email"] {
  flex: 1 1 260px;
  padding: 0.7rem 0.8rem;
  font: inherit;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
}

.mailing-list button {
  padding: 0.7rem 1rem;
  font: inherit;
  border: 0;
  border-radius: 4px;
  background: #1677be;
  color: #fff;
  cursor: pointer;
}

.mailing-list button:hover {
  opacity: 0.92;
}

.mailing-list-note {
  margin-top: 0.75rem;
  font-size: 0.92rem;
  color: #666;
}

/* Figures, images, and captions */
figure {
  margin: 1.5rem 0;
  text-align: center;
}

figure img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

/* Used where you want an image smaller than full page width. */
.article-image-small {
  max-width: 650px;
  width: 100%;
  height: auto;
}

figcaption {
  font-size: 0.9rem;
  color: #4b5563;
  margin-top: 0.4rem;
}

/* Notes and side comments */
.note,
.article-note {
  font-size: 0.92rem;
  font-style: italic;
  color: #4b5563;
}

.article-note {
  margin: 1rem 0 1.25rem;
}

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.5rem 0;
}

th,
td {
  border: 1px solid #ccc;
  padding: 8px;
}

th {
  background-color: #f2f2f2;
}

td {
  text-align: right;
}

td:first-child {
  text-align: left;
}

/* Used by the information-storage article table. */
.narrow-table {
  width: auto;
  max-width: 520px;
  margin: 1.5rem auto;
}

.narrow-table th,
.narrow-table td {
  padding: 6px 10px;
}

/* Footer */
footer {
  background: #111827;
  color: #9ca3af;
  padding: 1.5rem 0;
  font-size: 0.85rem;
}

footer a {
  color: #f9fafb;
}

footer a:visited {
  color: #f9fafb;
}

/* Small-screen adjustments */
@media (max-width: 600px) {
  .container {
    padding: 0 1rem;
  }

  header {
    padding: 1rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  nav a {
    display: inline-block;
    margin-bottom: 0.25rem;
  }

  table {
    font-size: 0.9rem;
  }
}