/*
 * abalonecove.org — shared site stylesheet
 *
 * Design system extracted from the original /index.html during the
 * site-regen dispatch. Every new page under /the-story/, /position/,
 * /contribute/, and /gallery/ pulls this sheet.
 *
 * Voice: factual, 1491-esque. Serif body. Understated chrome. No chartjunk.
 */

/* ── Design tokens ── */
:root {
  --shell-teal:  #2a7a7a;
  --shell-sage:  #6b8f7a;
  --shell-cream: #f5f0e8;
  --shell-dark:  #1a1a2e;
  --shell-warm:  #c4a87a;
  --shell-mist:  #e8ede9;
  --shell-sand:  #efe7d6;
  --shell-flag:  #b34a3a;   /* used sparingly for "hypothesis, not finding" callouts */
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.7;
  color: var(--shell-dark);
  background: var(--shell-cream);
  -webkit-font-smoothing: antialiased;
}

/* ── Progress bar (JS-driven on long pages) ── */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  width: 0%; height: 3px;
  background: var(--shell-teal);
  z-index: 1000;
  transition: width 0.15s ease-out;
}

/* ── Header / Nav ── */
.site-header {
  position: sticky;
  top: 0;
  background: var(--shell-cream);
  border-bottom: 1px solid var(--shell-warm);
  z-index: 900;
  padding: 0 1.5rem;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  font-weight: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--shell-dark);
  text-decoration: none;
}

.wordmark img {
  vertical-align: middle;
  margin-right: 0.4rem;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.75rem;
}

.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--shell-dark);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] { opacity: 1; }

/* Hamburger */
.nav-toggle { display: none; }
.nav-toggle-label { display: none; cursor: pointer; }
.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  display: block;
  background: var(--shell-dark);
  height: 2px;
  width: 24px;
  border-radius: 2px;
  position: relative;
  transition: transform 0.3s, opacity 0.2s;
}
.nav-toggle-label span::before,
.nav-toggle-label span::after { content: ""; position: absolute; }
.nav-toggle-label span::before { top: -7px; }
.nav-toggle-label span::after  { top:  7px; }
.nav-toggle:checked + .nav-toggle-label span { background: transparent; }
.nav-toggle:checked + .nav-toggle-label span::before { top: 0; transform: rotate( 45deg); background: var(--shell-dark); }
.nav-toggle:checked + .nav-toggle-label span::after  { top: 0; transform: rotate(-45deg); background: var(--shell-dark); }

/* ── Article container ── */
.article {
  max-width: 680px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.article-wide {
  max-width: 960px;
}

.article-header {
  margin-bottom: 3rem;
  text-align: center;
}

.article-header h1 {
  font-size: 2.25rem;
  line-height: 1.25;
  font-weight: normal;
  margin-bottom: 1rem;
}

.article-header .subtitle {
  font-size: 1rem;
  color: var(--shell-sage);
  font-style: italic;
  letter-spacing: 0.02em;
}

.kicker {
  font-size: 0.8rem;
  color: var(--shell-warm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.byline {
  font-size: 0.95rem;
  color: var(--shell-sage);
  font-style: italic;
  margin-bottom: 0.25rem;
}

.dateline {
  font-size: 0.85rem;
  color: var(--shell-warm);
  letter-spacing: 0.06em;
}

/* Sections */
.article section {
  margin-bottom: 3rem;
}

.article section h2 {
  font-size: 1.5rem;
  font-weight: normal;
  margin-bottom: 1rem;
  color: var(--shell-dark);
  border-bottom: 1px solid var(--shell-warm);
  padding-bottom: 0.4rem;
}

.article section h3 {
  font-size: 1.15rem;
  font-weight: bold;
  margin: 1.5rem 0 0.5rem;
  color: var(--shell-dark);
}

.article p { margin-bottom: 1.25rem; }

.article ul, .article ol {
  margin: 0 0 1.25rem 1.5rem;
}

.article li {
  margin-bottom: 0.4rem;
}

/* Links */
.article a {
  color: var(--shell-teal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color 0.2s;
}
.article a:hover { color: var(--shell-sage); }

/* Blockquotes */
.article blockquote {
  border-left: 3px solid var(--shell-teal);
  background: var(--shell-mist);
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Figures */
figure {
  margin: 1.5rem 0;
  text-align: center;
}
figure img {
  width: 100%;
  max-width: 800px;
  height: auto;
}
figcaption {
  font-size: 0.8rem;
  color: var(--shell-warm);
  margin-top: 0.5rem;
  font-style: italic;
}

/* ── Era-page layout ── */
.era-header {
  text-align: left;
  margin-bottom: 2.5rem;
}

.era-header h1 {
  font-size: 2rem;
  font-weight: normal;
  line-height: 1.2;
  margin-bottom: 0.4rem;
}

.era-header .era-range {
  color: var(--shell-sage);
  font-style: italic;
  font-size: 1rem;
}

.era-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--shell-warm);
  font-size: 0.9rem;
}
.era-nav a {
  color: var(--shell-teal);
  text-decoration: none;
  opacity: 0.85;
}
.era-nav a:hover { opacity: 1; text-decoration: underline; }
.era-nav .era-prev::before { content: "← "; }
.era-nav .era-next::after  { content: " →"; }

/* ── Box score table ── */
.box-score {
  margin: 1.5rem 0 2.5rem;
  overflow-x: auto;
  border: 1px solid var(--shell-warm);
  background: #fff;
  border-radius: 2px;
}
.box-score h3 {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--shell-warm);
  padding: 0.5rem 0.75rem 0.25rem;
  margin: 0;
  border-bottom: 1px solid var(--shell-mist);
}
.box-score table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  line-height: 1.45;
}
.box-score th,
.box-score td {
  text-align: left;
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--shell-mist);
  vertical-align: top;
}
.box-score th {
  font-weight: normal;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--shell-warm);
  background: var(--shell-sand);
  border-bottom: 1px solid var(--shell-warm);
}
.box-score tbody tr:last-child td { border-bottom: none; }
.box-score td.col-year  { white-space: nowrap; font-variant-numeric: tabular-nums; }
.box-score td.col-apn   { font-family: "SFMono-Regular", Consolas, monospace; font-size: 0.82rem; white-space: nowrap; }
.box-score td.col-src a { font-size: 0.8rem; }

/* ── Story-card grid (landing) ── */
.story-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.story-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border: 1px solid var(--shell-mist);
  padding: 1.1rem 1.2rem;
  transition: border-color 0.2s, transform 0.2s;
}
.story-card:hover {
  border-color: var(--shell-teal);
  transform: translateY(-2px);
}
.story-card .card-num {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--shell-warm);
  margin-bottom: 0.5rem;
}
.story-card .card-title {
  font-size: 1.1rem;
  font-weight: normal;
  margin-bottom: 0.4rem;
  color: var(--shell-dark);
}
.story-card .card-note {
  font-size: 0.85rem;
  color: var(--shell-sage);
  line-height: 1.5;
}

/* ── Callout boxes ── */
.callout {
  border-left: 4px solid var(--shell-teal);
  background: var(--shell-mist);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.callout h3 {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--shell-sage);
}
.callout.hypothesis {
  border-left-color: var(--shell-flag);
  background: #faf3ef;
}
.callout.hypothesis h3 {
  color: var(--shell-flag);
}
.callout.investigate {
  border-left-color: var(--shell-warm);
  background: #fdfaf2;
}
.callout.investigate h3 {
  color: var(--shell-warm);
}
.callout ol, .callout ul {
  margin: 0.5rem 0 0 1.25rem;
}
.callout li { margin-bottom: 0.4rem; }

/* ── Forms (contribute stub) ── */
.form-block {
  margin: 2rem 0;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--shell-warm);
}
.form-block label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--shell-sage);
  margin-bottom: 0.4rem;
}
.form-block input[type="text"],
.form-block input[type="url"],
.form-block input[type="email"],
.form-block textarea,
.form-block select {
  width: 100%;
  font: inherit;
  font-size: 0.95rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--shell-warm);
  background: var(--shell-cream);
  color: var(--shell-dark);
  margin-bottom: 1rem;
}
.form-block textarea {
  min-height: 140px;
  resize: vertical;
  font-family: Georgia, "Times New Roman", serif;
}
.form-block fieldset {
  border: 1px dashed var(--shell-warm);
  padding: 0.75rem 1rem;
  margin-bottom: 1.2rem;
}
.form-block legend {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--shell-sage);
  padding: 0 0.4rem;
}
.form-block .radio-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.95rem;
  color: var(--shell-dark);
}
.form-block .radio-row label {
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.95rem;
  color: var(--shell-dark);
  margin-bottom: 0;
  cursor: pointer;
}
.form-block button {
  font: inherit;
  background: var(--shell-teal);
  color: #fff;
  border: none;
  padding: 0.7rem 1.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}
.form-block button:hover { background: var(--shell-sage); }
.form-block .form-note {
  font-size: 0.85rem;
  color: var(--shell-sage);
  font-style: italic;
  margin-top: 0.5rem;
}
.form-status {
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--shell-teal);
  background: var(--shell-mist);
  font-size: 0.9rem;
  display: none;
}
.form-status.visible { display: block; }

/* ── Gallery grid ── */
.gallery-header {
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}
.tag-filter button {
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  background: var(--shell-sand);
  color: var(--shell-dark);
  border: 1px solid var(--shell-warm);
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  text-transform: lowercase;
}
.tag-filter button.active,
.tag-filter button:hover {
  background: var(--shell-teal);
  color: #fff;
  border-color: var(--shell-teal);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}
.gallery-item {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--shell-mist);
  border: 1px solid var(--shell-warm);
  position: relative;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item .gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(26,26,46,0.85));
  color: #fff;
  font-size: 0.78rem;
  padding: 1.5rem 0.6rem 0.5rem;
  opacity: 0;
  transition: opacity 0.2s;
}
.gallery-item:hover .gallery-caption { opacity: 1; }

.gallery-item-multipage,
.gallery-item-collection {
  background: var(--shell-sand);
}
.gallery-item-multipage img,
.gallery-item-collection img {
  object-fit: contain;
  background: var(--shell-cream);
}
.gallery-kind {
  position: absolute;
  top: 0.4rem;
  left: 0.4rem;
  background: rgba(26, 26, 46, 0.85);
  color: var(--shell-cream);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.45rem;
  border-radius: 2px;
  pointer-events: none;
  z-index: 2;
}
.gallery-item-collection .gallery-kind {
  background: rgba(42, 122, 122, 0.9);  /* shell-teal */
}

/* ── Collection detail page (/images/<folder>/index.html) ────────── */
.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0;
}
.collection-tile {
  display: block;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--shell-mist);
  border: 1px solid var(--shell-warm);
  position: relative;
  text-decoration: none;
  color: inherit;
}
.collection-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
  background: #fff;
}
.collection-tile:hover img { transform: scale(1.03); }
.collection-tile .collection-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(26,26,46,0.85));
  color: #fff;
  font-size: 0.75rem;
  padding: 1.2rem 0.5rem 0.4rem;
  opacity: 0;
  transition: opacity 0.2s;
}
.collection-tile:hover .collection-caption { opacity: 1; }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--shell-warm);
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: var(--shell-mist);
  margin-top: 4rem;
}
.footer-inner {
  max-width: 680px;
  margin: 0 auto;
}
.footer-org {
  font-size: 0.9rem;
  color: var(--shell-dark);
  margin-bottom: 0.5rem;
}
.footer-cta {
  font-size: 0.85rem;
  color: var(--shell-sage);
  font-style: italic;
}
.footer-links {
  margin-top: 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.footer-links a {
  color: var(--shell-warm);
  text-decoration: none;
  margin: 0 0.5rem;
}
.footer-links a:hover { color: var(--shell-teal); }

/* ── Mobile ── */
@media (max-width: 768px) {
  body { font-size: 16px; }
  .article-header h1 { font-size: 1.75rem; }
  .article section h2 { font-size: 1.3rem; }
  .era-header h1 { font-size: 1.6rem; }

  .nav-toggle-label { display: flex; align-items: center; }
  .nav-links {
    display: none;
    position: absolute;
    top: 56px; left: 0; right: 0;
    background: var(--shell-cream);
    border-bottom: 1px solid var(--shell-warm);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 0.75rem;
  }
  .nav-toggle:checked ~ .nav-links { display: flex; }

  .box-score { font-size: 0.82rem; }
  .box-score th, .box-score td { padding: 0.35rem 0.5rem; }
}

/* ── Print ── */
@media print {
  .site-header, .progress-bar, .era-nav, .tag-filter { display: none; }
  body {
    font-size: 11pt;
    line-height: 1.5;
    color: #000;
    background: #fff;
  }
  .article { max-width: 100%; padding: 0; }
  .article section { page-break-inside: avoid; }
  .box-score { page-break-inside: avoid; }
  .site-footer {
    border-top: 1pt solid #ccc;
    background: #fff;
    font-size: 9pt;
  }
  a { color: #000; text-decoration: underline; }
}