:root {
  --ws-ink: #172033;
  --ws-muted: #526076;
  --ws-paper: #fffdf8;
  --ws-rule: #d9dee8;
  --ws-teal: #176b67;
  --ws-red: #a83b32;
  --ws-gold: #aa7415;
}

.worksheet-body {
  margin: 0;
  background: var(--ws-paper);
  color: var(--ws-ink);
  font-family: Inter, system-ui, sans-serif;
}

.worksheet-hero {
  padding: 82px 24px 66px;
  background:
    radial-gradient(circle at 15% 30%, rgba(168, 59, 50, .10), transparent 28%),
    radial-gradient(circle at 86% 70%, rgba(23, 107, 103, .13), transparent 32%),
    linear-gradient(135deg, #f8f4ec 0%, #fff 58%, #edf5f2 100%);
  border-bottom: 1px solid var(--ws-rule);
}

.worksheet-hero-inner,
.worksheet-library {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.worksheet-kicker {
  margin: 0 0 14px;
  color: var(--ws-red);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.worksheet-hero h1 {
  max-width: 900px;
  margin: 0 0 18px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(2.7rem, 7vw, 5.3rem);
  line-height: 1;
  letter-spacing: -.03em;
}

.worksheet-hero p {
  max-width: 760px;
  color: var(--ws-muted);
  font-size: 1.1rem;
  line-height: 1.75;
}

.worksheet-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.worksheet-stat {
  padding: 9px 13px;
  border: 1px solid #cbded9;
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: var(--ws-teal);
  font-size: .78rem;
  font-weight: 800;
}

.worksheet-library {
  padding: 54px 0 90px;
}

.worksheet-hero-therapy {
  background:
    radial-gradient(circle at 18% 22%, rgba(170, 116, 21, .12), transparent 30%),
    radial-gradient(circle at 82% 74%, rgba(23, 107, 103, .14), transparent 32%),
    linear-gradient(135deg, #fbf6ec 0%, #fff 55%, #edf6f3 100%);
}

.worksheet-hero-community {
  background:
    radial-gradient(circle at 16% 24%, rgba(23, 107, 103, .15), transparent 31%),
    radial-gradient(circle at 84% 70%, rgba(168, 59, 50, .10), transparent 32%),
    linear-gradient(135deg, #eef7f4 0%, #fff 56%, #f8f1e8 100%);
}

.worksheet-collection-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.worksheet-collection-nav a {
  padding: 10px 14px;
  border: 1px solid var(--ws-rule);
  border-radius: 999px;
  background: #fff;
  color: var(--ws-ink);
  font-size: .84rem;
  font-weight: 800;
  text-decoration: none;
}

.worksheet-collection-nav a[aria-current="page"],
.worksheet-collection-nav a:hover {
  border-color: var(--ws-teal);
  background: var(--ws-teal);
  color: #fff;
}

.worksheet-boundary {
  margin-bottom: 28px;
  padding: 18px 20px;
  border-left: 4px solid var(--ws-gold);
  background: #fff7e6;
  color: #3d4859;
  line-height: 1.65;
}

.worksheet-controls {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(220px, 320px);
  gap: 14px;
  margin-bottom: 24px;
}

.worksheet-controls-three {
  grid-template-columns: minmax(260px, 1fr) minmax(190px, 260px) minmax(170px, 220px);
}

.worksheet-controls label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.worksheet-controls input,
.worksheet-controls select {
  width: 100%;
  box-sizing: border-box;
  padding: 13px 14px;
  border: 1px solid var(--ws-rule);
  border-radius: 8px;
  background: #fff;
  color: var(--ws-ink);
  font: inherit;
}

.worksheet-count {
  margin: 0 0 20px;
  color: var(--ws-muted);
  font-size: .9rem;
}

.worksheet-grid {
  display: grid;
  gap: 34px;
}

.worksheet-category-group {
  min-width: 0;
}

.worksheet-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 12px;
  padding: 0 2px 12px;
  border-bottom: 2px solid var(--ws-ink);
}

.worksheet-category-header h2 {
  margin: 0;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.15;
}

.worksheet-category-header span {
  flex: none;
  color: var(--ws-muted);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.worksheet-entry-list {
  overflow: hidden;
  border: 1px solid var(--ws-rule);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(23, 32, 51, .035);
}

.worksheet-entry + .worksheet-entry {
  border-top: 1px solid var(--ws-rule);
}

.worksheet-entry-summary {
  display: grid;
  grid-template-columns: minmax(230px, 2fr) minmax(160px, 1fr) auto auto 86px;
  align-items: center;
  gap: 16px;
  min-height: 74px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  transition: background .18s ease;
}

.worksheet-entry-summary::-webkit-details-marker {
  display: none;
}

.worksheet-entry-summary:hover {
  background: #f8faf9;
}

.worksheet-entry-summary:focus-visible {
  position: relative;
  z-index: 1;
  outline: 3px solid rgba(23, 107, 103, .35);
  outline-offset: -3px;
}

.worksheet-entry[open] .worksheet-entry-summary {
  background: #f1f7f5;
}

.worksheet-entry-title {
  grid-column: 1;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.25;
}

.worksheet-entry-subject {
  grid-column: 2;
  color: var(--ws-muted);
  font-size: .82rem;
  line-height: 1.35;
}

.worksheet-entry-label {
  display: block;
  margin-bottom: 3px;
  color: var(--ws-red);
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.worksheet-entry-type,
.worksheet-entry-language {
  justify-self: start;
  padding: 6px 9px;
  border-radius: 999px;
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .055em;
  line-height: 1.2;
  text-transform: uppercase;
}

.worksheet-entry-type {
  grid-column: 3;
  background: #eef7f5;
  color: var(--ws-teal);
}

.worksheet-entry-language {
  grid-column: 4;
  border: 1px solid #d7c796;
  background: #fff9e9;
  color: #76520e;
}

.worksheet-entry-toggle {
  grid-column: 5;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  color: var(--ws-teal);
  font-size: .75rem;
  font-weight: 800;
}

.worksheet-entry-chevron {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform .2s ease;
}

.worksheet-entry[open] .worksheet-entry-chevron {
  transform: rotate(225deg) translate(-1px, -1px);
}

.worksheet-entry-panel {
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(300px, 1.1fr);
  gap: 30px;
  padding: 28px;
  border-top: 1px solid var(--ws-rule);
  background: #fff;
}

.worksheet-preview {
  min-width: 0;
}

.worksheet-preview-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid #cfd6df;
  border-radius: 9px;
  background: #f4f1e9;
  box-shadow: 0 12px 28px rgba(23, 32, 51, .10);
}

.worksheet-preview-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 893 / 650;
  object-fit: cover;
}

.worksheet-preview-caption {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 6px 9px;
  border-radius: 999px;
  background: rgba(23, 32, 51, .88);
  color: #fff;
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .04em;
}

.worksheet-preview-options {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.worksheet-preview-option {
  padding: 8px 12px;
  border: 1px solid var(--ws-rule);
  border-radius: 999px;
  background: #fff;
  color: var(--ws-muted);
  cursor: pointer;
  font: inherit;
  font-size: .74rem;
  font-weight: 800;
}

.worksheet-preview-option:hover,
.worksheet-preview-option.is-active {
  border-color: var(--ws-teal);
  background: var(--ws-teal);
  color: #fff;
}

.worksheet-entry-details {
  align-self: center;
}

.worksheet-card-summary {
  margin: 0 0 22px;
  color: var(--ws-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.worksheet-entry-meta {
  display: grid;
  gap: 0;
  margin: 0 0 22px;
  border-top: 1px solid var(--ws-rule);
}

.worksheet-entry-meta div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--ws-rule);
}

.worksheet-entry-meta dt {
  color: var(--ws-muted);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.worksheet-entry-meta dd {
  margin: 0;
  color: var(--ws-ink);
  font-size: .84rem;
  line-height: 1.4;
}

.worksheet-download {
  display: block;
  padding: 12px 15px;
  border-radius: 7px;
  background: var(--ws-teal);
  color: #fff;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.worksheet-download:hover {
  background: #115552;
}

.worksheet-downloads {
  display: grid;
  gap: 9px;
}

.worksheet-download-secondary {
  border: 1px solid var(--ws-teal);
  background: #fff;
  color: var(--ws-teal);
}

.worksheet-download-secondary:hover {
  background: #eef7f5;
  color: #115552;
}

.worksheet-empty {
  grid-column: 1 / -1;
  padding: 42px;
  border: 1px dashed var(--ws-rule);
  color: var(--ws-muted);
  text-align: center;
}

.worksheet-evidence {
  margin-top: 64px;
  padding: 34px;
  border: 1px solid var(--ws-rule);
  border-radius: 14px;
  background: #fff;
}

.worksheet-evidence h2 {
  margin: 0 0 12px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.worksheet-evidence p:not(.worksheet-kicker) {
  max-width: 860px;
  color: var(--ws-muted);
  line-height: 1.7;
}

.worksheet-evidence ul {
  padding-left: 20px;
}

.worksheet-evidence a {
  color: var(--ws-teal);
  text-underline-offset: 3px;
}

@media (max-width: 900px) {
  .worksheet-controls-three {
    grid-template-columns: 1fr 1fr;
  }

  .worksheet-entry-summary {
    grid-template-columns: minmax(220px, 1.6fr) minmax(150px, 1fr) auto 78px;
  }

  .worksheet-entry-language {
    display: none;
  }

  .worksheet-entry-toggle {
    grid-column: 4;
  }

  .worksheet-entry-panel {
    grid-template-columns: minmax(240px, .9fr) minmax(280px, 1.1fr);
    gap: 22px;
    padding: 22px;
  }
}

@media (max-width: 650px) {
  .worksheet-controls,
  .worksheet-controls-three {
    grid-template-columns: 1fr;
  }

  .worksheet-category-header {
    align-items: flex-end;
  }

  .worksheet-entry-summary {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 12px;
    padding: 16px;
  }

  .worksheet-entry-title {
    grid-column: 1 / -1;
    font-size: 1.1rem;
  }

  .worksheet-entry-subject {
    grid-column: 1;
  }

  .worksheet-entry-type {
    grid-column: 1;
    width: fit-content;
    margin-top: 3px;
  }

  .worksheet-entry-toggle {
    grid-column: 2;
    grid-row: 2 / 4;
    align-self: center;
  }

  .worksheet-entry-panel {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .worksheet-entry-meta div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}