:root {
  --paper: #f4ecdf;
  --paper-deep: #eadcc3;
  --ink: #17202a;
  --ink-soft: #42505e;
  --accent: #b04f2f;
  --accent-deep: #7b2d1a;
  --line: rgba(23, 32, 42, 0.12);
  --card: rgba(255, 255, 255, 0.72);
  --shadow: 0 18px 40px rgba(39, 30, 17, 0.15);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Poppins, "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(176, 79, 47, 0.18), transparent 30rem),
    linear-gradient(180deg, #f8f2e8 0%, var(--paper) 45%, var(--paper-deep) 100%);
}

html {
  scroll-behavior: smooth;
}

body.has-side-tabs {
  padding-left: 9rem;
}

.page-shell {
  width: min(1360px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

body.has-side-tabs .page-shell {
  width: min(1360px, calc(100vw - 11rem));
}

.side-tabs {
  position: fixed;
  top: 1.25rem;
  left: 0;
  z-index: 50;
  display: grid;
  gap: 0.35rem;
}

.side-tab {
  display: flex;
  align-items: center;
  min-height: 2.65rem;
  width: 8.5rem;
  padding: 0.62rem 0.8rem 0.62rem 0.9rem;
  border: 1px solid var(--line);
  border-left: 0;
  border-radius: 0 0.65rem 0.65rem 0;
  background: rgba(255, 250, 242, 0.92);
  color: var(--ink);
  box-shadow: 0 10px 26px rgba(39, 30, 17, 0.16);
  backdrop-filter: blur(10px);
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.08;
  text-decoration: none;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}

.side-tab:hover,
.side-tab:focus-visible {
  transform: translateX(3px);
  border-color: rgba(176, 79, 47, 0.38);
  background: #fff8ef;
  outline: none;
}

.side-tab-active {
  border-color: rgba(176, 79, 47, 0.48);
  background: var(--accent);
  color: #fff;
}

.side-tab-back {
  margin-top: 0.45rem;
}

.site-head {
  position: sticky;
  top: 0;
  z-index: 10;
  margin: 0 0 1.25rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  backdrop-filter: blur(12px);
  background: rgba(248, 242, 232, 0.84);
  box-shadow: var(--shadow);
}

.brand-lockup {
  display: grid;
  grid-template-columns: minmax(160px, 220px) 1fr;
  gap: 1.25rem;
  align-items: center;
}

.brand-logo {
  width: 100%;
  max-width: 220px;
  height: auto;
  padding-inline: 0.85rem;
}

.kicker {
  margin: 0 0 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  color: var(--accent-deep);
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3.6rem);
  line-height: 0.95;
}

.lede {
  margin: 0.55rem 0 0;
  max-width: 58rem;
  color: var(--ink-soft);
  font-size: 1rem;
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(240px, 0.9fr);
  gap: 1rem;
  align-items: stretch;
  margin: 1.25rem 0 1.5rem;
}

.filter-card-home {
  grid-column: 1 / -1;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.filter-card-home .card-body {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.site-notice {
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.45;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1rem;
}

.card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--shadow);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.filtered-card {
  overflow: visible;
}

.filtered-card:hover,
.filtered-card:focus-within {
  z-index: 40;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(176, 79, 47, 0.35);
  box-shadow: 0 22px 48px rgba(39, 30, 17, 0.22);
}

.cover-wrap {
  display: block;
  aspect-ratio: 3 / 4;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.9), rgba(234,220,195,0.95)),
    repeating-linear-gradient(
      135deg,
      rgba(176, 79, 47, 0.08) 0,
      rgba(176, 79, 47, 0.08) 10px,
      rgba(255,255,255,0.0) 10px,
      rgba(255,255,255,0.0) 20px
    );
}

.filtered-card .cover-wrap {
  overflow: hidden;
  border-top-left-radius: 1.1rem;
  border-top-right-radius: 1.1rem;
}

.cover {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 0.95rem 0.95rem 1rem;
}

.eyebrow {
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
  font-weight: 700;
}

.card h2 {
  margin: 0.28rem 0 0.5rem;
  font-size: 1.35rem;
  line-height: 1;
}

.stats {
  display: grid;
  gap: 0.25rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.year-layout {
  display: grid;
  gap: 1.5rem;
}

.year-hero {
  display: grid;
  grid-template-columns: minmax(220px, 340px) 1fr;
  gap: 1.25rem;
  align-items: start;
}

.year-cover-column {
  display: grid;
  justify-items: center;
  gap: 1.15rem;
}

.year-cover {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  overflow: visible;
  background: var(--card);
  box-shadow: var(--shadow);
}

.year-cover .cover {
  display: block;
  border-radius: 1rem;
}

.year-cover-actions {
  display: flex;
  justify-content: center;
  width: 100%;
}

.year-summary {
  display: grid;
  gap: 0.8rem;
  padding: 1rem 0;
}

.year-title {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 0.95;
}

.year-notes {
  margin: 0;
  color: var(--ink-soft);
  max-width: 60ch;
}

.year-online-note {
  max-width: 100%;
}

.year-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  flex-direction: column;
  align-items: flex-start;
}

.source-block {
  width: 100%;
}

.source-text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.35;
}

.summary-sections {
  display: grid;
  gap: 0.9rem;
}

.summary-block {
  padding: 0.95rem 1rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.38);
}

.summary-block h3 {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
}

.summary-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.summary-list li + li {
  margin-top: 0.35rem;
}

.summary-columns {
  columns: 2;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  font-weight: 600;
}

.button-secondary {
  background: rgba(23, 32, 42, 0.08);
  color: var(--ink);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.text-page {
  display: grid;
  gap: 1rem;
}

.panel {
  padding: 1rem 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: var(--card);
  box-shadow: var(--shadow);
}

.text-panel {
  max-width: 58rem;
}

.text-panel h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 2.2vw, 2.2rem);
}

.panel.text-panel h3 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.25rem, 1.8vw, 1.6rem);
  line-height: 1.1;
}

.text-panel p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.text-panel p + p,
.text-panel p + ul,
.text-panel ul + p {
  margin-top: 0.85rem;
}

.text-panel ul {
  margin: 0.7rem 0 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.text-panel li + li {
  margin-top: 0.45rem;
}

.text-panel > b {
  display: block;
  margin: 0.9rem 0 0.4rem;
  font-size: 0.95rem;
  color: var(--ink);
}

.panel h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.panel .year-notes + .doc-grid {
  margin-top: 1rem;
}

.panel .year-online-note + .doc-grid {
  margin-top: 1.35rem;
}

.panel-wide {
  grid-column: 1 / -1;
}

.detail-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.detail-list li + li {
  margin-top: 0.35rem;
}

.detail-columns {
  columns: 2;
}

.link-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.85rem;
}

.doc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.86);
  transition: transform 140ms ease, border-color 140ms ease;
}

.doc-card:hover {
  transform: translateY(-2px);
  border-color: rgba(176, 79, 47, 0.4);
}

.has-tooltip {
  position: relative;
}

.has-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%) translateY(6px);
  min-width: 180px;
  max-width: 260px;
  padding: 0.55rem 0.7rem;
  border-radius: 0.7rem;
  border: 1px solid rgba(23, 32, 42, 0.16);
  background: rgba(255, 250, 242, 0.98);
  color: #1f1a17;
  font-size: 0.83rem;
  line-height: 1.3;
  text-align: left;
  white-space: pre-line;
  pointer-events: none;
  opacity: 0;
  z-index: 30;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.24);
  transition: opacity 140ms ease, transform 140ms ease;
}

.tooltip-below::after {
  top: calc(100% + 10px);
  bottom: auto;
  transform: translateX(-50%) translateY(-6px);
}

.has-tooltip:hover::after,
.has-tooltip:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.has-tooltip[data-tooltip=""]::after {
  display: none;
}

.has-tooltip:not([data-tooltip])::after {
  display: none;
}

.doc-thumb-wrap {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-top-left-radius: 0.95rem;
  border-top-right-radius: 0.95rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(234,220,195,0.95));
}

.doc-thumb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.doc-meta {
  padding: 0.75rem 0.8rem 0.9rem;
}

.doc-label {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.25;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  overflow-wrap: anywhere;
}

.data-chart,
.attendance-chart {
  margin: 0 0 1.35rem;
  overflow-x: auto;
}

.data-chart img,
.attendance-chart img {
  display: block;
  width: 100%;
  min-width: 760px;
  height: auto;
}

.data-table th,
.data-table td {
  padding: 0.72rem 0.75rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table thead th {
  color: var(--accent-deep);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.gallery-image {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  border-radius: 0.8rem;
  border: 1px solid var(--line);
  background: #efe4d3;
}

.muted {
  color: var(--ink-soft);
}

@media (max-width: 1050px) {
  body.has-side-tabs {
    padding-left: 0;
  }

  body.has-side-tabs .page-shell {
    width: min(100vw - 1rem, 1360px);
  }

  .side-tabs {
    position: sticky;
    top: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    padding: 0.5rem;
    border-bottom: 1px solid var(--line);
    background: rgba(248, 242, 232, 0.92);
    backdrop-filter: blur(10px);
  }

  .side-tab {
    flex: 1 1 9rem;
    justify-content: center;
    width: auto;
    min-height: 2.35rem;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--line);
    border-radius: 0.65rem;
    box-shadow: none;
    text-align: center;
  }

  .side-tab-back {
    margin-top: 0;
  }

  .side-tab:hover,
  .side-tab:focus-visible {
    transform: none;
  }
}

@media (max-width: 700px) {
  .page-shell {
    width: min(100vw - 1rem, 1360px);
    padding-top: 0.5rem;
  }

  .site-head {
    position: static;
    padding: 1rem;
  }

  .brand-lockup {
    grid-template-columns: 1fr;
  }

  .brand-logo {
    max-width: 180px;
  }

  .year-hero,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .overview-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .detail-columns {
    columns: 1;
  }
}