/**
 * Practice Library UI — light educational surfaces + purple accent.
 *
 * Scope: only .gddt-plib* and body.gddt-practice-* / gddt-has-practice-cta.
 * Does NOT restyle site header, Exam hub, or Teacher workspace.
 */

/* Variables scoped — avoid leaking into unrelated pages when this sheet loads */
.gddt-plib,
body.gddt-practice-library,
body.gddt-practice-article,
body.gddt-has-practice-cta {
  --practice-primary: #7C3AED;
  --practice-primary-hover: #6D28D9;
  --practice-bg: #F8FAFC;
  --practice-surface: #FFFFFF;
  --practice-hero-start: #F3E8FF;
  --practice-hero-end: #EEF2FF;
  --practice-text: #1E293B;
  --practice-muted: #64748B;
  --practice-border: #E2E8F0;
  --practice-hero-border: #E9D5FF;
  --practice-input-border: #DBE2EA;
  --practice-placeholder: #94A3B8;
  --practice-ok: #15803d;
  --practice-warn: #c2410c;
  --practice-soft: #F5F3FF;
  --practice-focus: #F59E0B;
}

.gddt-plib {
  font-family: "Be Vietnam Pro", system-ui, sans-serif;
  color: var(--practice-text);
  background: transparent;
  margin: 0 auto 32px;
  max-width: 1080px;
  box-sizing: border-box;
}

.gddt-plib *,
.gddt-plib *::before,
.gddt-plib *::after {
  box-sizing: border-box;
}

.gddt-plib-wrap {
  padding-top: 12px;
  padding-bottom: 40px;
}

/* —— Hero (light) —— */
.gddt-plib-hero {
  background: linear-gradient(135deg, var(--practice-hero-start) 0%, var(--practice-hero-end) 100%);
  color: var(--practice-text);
  border: 1px solid var(--practice-hero-border);
  border-radius: 24px;
  padding: 28px 24px;
  margin: 0 0 22px;
  box-shadow: 0 10px 28px rgba(71, 85, 105, 0.08);
}

.gddt-plib-hero-sm {
  padding: 22px 20px;
}

.gddt-plib-hero .gddt-plib-kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--practice-primary);
  margin-bottom: 8px;
}

/* Beat Blocksy .entry-content h1 / page-title color rules */
.gddt-plib-hero .gddt-plib-title,
.gddt-plib-hero h1.gddt-plib-title {
  margin: 0 0 8px;
  font-size: 36px;
  line-height: 1.25;
  font-weight: 800;
  color: var(--practice-text);
}

.gddt-plib-hero .gddt-plib-lead,
.gddt-plib-hero p.gddt-plib-lead {
  margin: 0 0 16px;
  color: var(--practice-muted);
  font-size: 17px;
  line-height: 1.55;
  max-width: 40rem;
}

/* —— Search —— */
.gddt-plib-search {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 520px;
  width: 100%;
}

.gddt-plib-hero .gddt-plib-search input[type="search"],
.gddt-plib-search input[type="search"] {
  flex: 1 1 200px;
  min-width: 0;
  width: auto;
  max-width: 100%;
  min-height: 46px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--practice-surface);
  background-color: #FFFFFF;
  color: var(--practice-text);
  -webkit-text-fill-color: var(--practice-text);
  caret-color: var(--practice-text);
  border: 1px solid var(--practice-input-border);
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 600;
  opacity: 1;
}

.gddt-plib-search input[type="search"]::placeholder {
  color: var(--practice-placeholder);
  -webkit-text-fill-color: var(--practice-placeholder);
  opacity: 1;
  font-weight: 500;
}

.gddt-plib-search input[type="search"]:focus {
  outline: none;
  border-color: var(--practice-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.22);
}

.gddt-plib-search input[type="search"]:focus-visible {
  outline: 3px solid var(--practice-focus);
  outline-offset: 2px;
}

/* Search submit — white on purple (WCAG AA on #7C3AED) */
.gddt-plib-hero .gddt-plib-search .gddt-plib-btn,
.gddt-plib-search .gddt-plib-btn {
  flex: 0 0 auto;
  background: var(--practice-primary);
  background-color: #7C3AED;
  color: #FFFFFF;
  border-radius: 10px;
}

.gddt-plib-hero .gddt-plib-search .gddt-plib-btn:hover,
.gddt-plib-search .gddt-plib-btn:hover {
  background: var(--practice-primary-hover);
  background-color: #6D28D9;
  color: #FFFFFF;
  box-shadow: 0 8px 18px rgba(109, 40, 217, 0.25);
}

/* —— Buttons —— */
.gddt-plib .gddt-plib-btn,
.gddt-plib-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 16px;
  border: 0;
  border-radius: 10px;
  background: var(--practice-primary);
  color: #FFFFFF;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.gddt-plib .gddt-plib-btn:hover,
.gddt-plib-btn:hover {
  background: var(--practice-primary-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(109, 40, 217, 0.22);
}

.gddt-plib .gddt-plib-btn:focus-visible,
.gddt-plib-btn:focus-visible,
.gddt-plib-card:focus-visible,
.gddt-plib-portal:focus-visible,
.gddt-plib-mini:focus-visible {
  outline: 3px solid var(--practice-focus);
  outline-offset: 2px;
}

.gddt-plib .gddt-plib-btn-soft,
.gddt-plib-btn-soft {
  background: var(--practice-primary);
  color: #FFFFFF;
  width: 100%;
  margin-top: 8px;
}

.gddt-plib .gddt-plib-btn-soft:hover,
.gddt-plib-btn-soft:hover {
  background: var(--practice-primary-hover);
  color: #FFFFFF;
}

/* Theme often forces a { color: brand-blue }. Scope beat without global !important. */
body.gddt-practice-library .gddt-plib a.gddt-plib-btn,
body.gddt-practice-article .gddt-plib a.gddt-plib-btn,
body.gddt-has-practice-cta a.gddt-plib-btn {
  color: #FFFFFF;
}

/* —— Hub category cards —— */
.gddt-plib-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 18px;
}

.gddt-plib-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--practice-surface);
  border: 1px solid var(--practice-border);
  border-radius: 16px;
  padding: 18px 16px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 6px 18px rgba(71, 85, 105, 0.06);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  min-height: 168px;
}

.gddt-plib-card:hover {
  transform: translateY(-3px);
  border-color: #C4B5FD;
  box-shadow: 0 14px 28px rgba(76, 29, 149, 0.12);
  text-decoration: none;
  color: inherit;
}

.gddt-plib-card-ico {
  font-size: 1.45rem;
  line-height: 1;
}

.gddt-plib-card strong {
  font-size: 1.08rem;
  color: var(--practice-text);
}

.gddt-plib-card em {
  font-style: normal;
  color: var(--practice-muted);
  font-size: 0.9rem;
  line-height: 1.45;
  flex: 1;
}

.gddt-plib-count {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--practice-primary);
}

.gddt-plib-go {
  font-weight: 800;
  color: var(--practice-primary-hover);
  font-size: 0.92rem;
}

.gddt-plib-note {
  color: var(--practice-muted);
  font-size: 0.9rem;
}

.gddt-plib-empty,
.gddt-plib-pending {
  background: var(--practice-soft);
  border: 1px dashed #C4B5FD;
  border-radius: 12px;
  padding: 18px;
  color: var(--practice-muted);
}

/* —— Chapter / lesson cards —— */
.gddt-plib-chapter {
  margin: 0 0 28px;
}

.gddt-plib-chapter-title {
  margin: 0 0 12px;
  font-size: 1.2rem;
  color: var(--practice-primary-hover);
  border-left: 4px solid var(--practice-primary);
  padding-left: 10px;
}

.gddt-plib-lessons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.gddt-plib-post-card {
  min-width: 0;
  background: var(--practice-surface);
  border: 1px solid var(--practice-border);
  border-radius: 14px;
  padding: 16px;
  overflow-wrap: anywhere;
  word-break: normal;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.gddt-plib-post-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(76, 29, 149, 0.1);
}

.gddt-plib-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--practice-primary-hover);
  background: var(--practice-soft);
  border-radius: 999px;
  padding: 3px 9px;
  margin-bottom: 8px;
}

.gddt-plib-post-card h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  line-height: 1.35;
}

.gddt-plib-post-card h3 a {
  color: var(--practice-text);
  text-decoration: none;
}

.gddt-plib-post-card h3 a:hover {
  color: var(--practice-primary-hover);
}

.gddt-plib-meta,
.gddt-plib-excerpt,
.gddt-plib-chip {
  margin: 0 0 6px;
  color: var(--practice-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.gddt-plib-chip {
  color: var(--practice-primary);
  font-weight: 700;
}

.gddt-plib-crumb {
  margin: 0 0 14px;
  font-size: 0.88rem;
  color: var(--practice-muted);
}

.gddt-plib-crumb a {
  color: var(--practice-primary-hover);
  text-decoration: none;
  font-weight: 700;
}

/* —— In-article practice block —— */
.gddt-plib-practice-block {
  margin: 28px 0;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--practice-border);
  background: linear-gradient(180deg, var(--practice-soft), #fff 42%);
}

.gddt-plib-practice-head h2 {
  margin: 0 0 6px;
  color: var(--practice-primary-hover);
}

.gddt-plib-practice-head p {
  margin: 0 0 14px;
  color: var(--practice-muted);
}

.gddt-plib-student-progress {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: #ecfdf5;
  border: 1px solid #bbf7d0;
}

.gddt-plib-student-progress ul {
  margin: 6px 0 0;
  padding-left: 1.1rem;
}

.gddt-plib-pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: 24px 0 12px;
}

.gddt-plib-pager a {
  flex: 1 1 220px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--practice-soft);
  color: var(--practice-primary-hover);
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--practice-border);
}

.gddt-plib-related {
  margin: 20px 0 8px;
}

.gddt-plib-related h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  color: var(--practice-primary-hover);
}

.gddt-plib-related .gddt-plib-lessons {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* —— Homepage portals —— */
.gddt-plib-portals {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0 22px;
  max-width: 920px;
  width: 100%;
  box-sizing: border-box;
}

.gddt-plib-portal {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 148px;
  padding: 16px;
  border-radius: 16px;
  text-decoration: none;
  color: var(--practice-text);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  border: 1px solid var(--practice-border);
  background: var(--practice-surface);
  box-sizing: border-box;
}

.gddt-plib-portal:hover {
  transform: translateY(-3px);
  text-decoration: none;
}

.gddt-plib-portal-ico {
  font-size: 1.35rem;
}

.gddt-plib-portal-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.gddt-plib-portal-copy strong {
  font-size: 1.08rem;
  font-weight: 800;
  color: inherit;
}

.gddt-plib-portal-copy em {
  font-style: normal;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--practice-muted);
}

.gddt-plib-portal-go {
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--practice-primary);
}

/* Practice: light surface + purple accent (not dark purple fill) */
.gddt-plib-portal.is-practice {
  background: #FFFFFF;
  color: var(--practice-text);
  border-color: var(--practice-hero-border);
  box-shadow: 0 10px 24px rgba(124, 58, 237, 0.12);
}

.gddt-plib-portal.is-practice:hover {
  color: var(--practice-text);
  border-color: #C4B5FD;
  box-shadow: 0 14px 28px rgba(109, 40, 217, 0.16);
}

.gddt-plib-portal.is-practice .gddt-plib-portal-go {
  color: var(--practice-primary);
}

.gddt-plib-portal.is-exam {
  background: linear-gradient(145deg, #2563eb, #1d4ed8);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.28);
}

.gddt-plib-portal.is-exam:hover {
  color: #fff;
}

.gddt-plib-portal.is-exam .gddt-plib-portal-copy em,
.gddt-plib-portal.is-exam .gddt-plib-portal-go,
.gddt-plib-portal.is-exam .gddt-plib-portal-copy strong {
  color: #fff;
}

.gddt-plib-portal.is-teacher {
  background: linear-gradient(145deg, #0f766e, #0d9488);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 12px 26px rgba(13, 148, 136, 0.28);
}

.gddt-plib-portal.is-teacher:hover {
  color: #fff;
}

.gddt-plib-portal.is-teacher .gddt-plib-portal-copy em,
.gddt-plib-portal.is-teacher .gddt-plib-portal-go,
.gddt-plib-portal.is-teacher .gddt-plib-portal-copy strong {
  color: #fff;
}

/* Hero action button (custom homepage template) */
body.gddt-has-practice-cta .ts-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: stretch;
}

body.gddt-has-practice-cta .ts-hero-actions .gddt-hero-practice,
body.gddt-has-practice-cta a.ts-btn-practice {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 46px;
  padding: 10px 16px;
  border-radius: 10px;
  background: #7C3AED;
  color: #FFFFFF !important;
  font-weight: 800;
  text-decoration: none !important;
  border: 1px solid transparent;
  box-shadow: 0 8px 18px rgba(124, 58, 237, 0.28);
}

body.gddt-has-practice-cta .ts-hero-actions .gddt-hero-practice:hover,
body.gddt-has-practice-cta a.ts-btn-practice:hover {
  background: #6D28D9;
  color: #FFFFFF !important;
}

body.gddt-has-practice-cta .ts-hero .gddt-plib-portals {
  margin-top: 14px;
  max-width: 920px;
}

body.gddt-has-practice-cta .gddt-plib-home-cta {
  margin: 18px auto 8px;
  max-width: 1080px;
  padding: 0 16px;
  box-sizing: border-box;
}

body.gddt-has-practice-cta .gddt-plib-home-cta .gddt-plib-portals {
  margin: 0;
  max-width: none;
}

body.gddt-has-practice-cta .gddt-plib-explore {
  margin: 18px auto 28px;
  max-width: 1080px;
  padding: 0 16px;
  box-sizing: border-box;
}

.gddt-plib-explore {
  margin: 8px 0 28px;
}

.gddt-plib-explore-inner {
  background: var(--practice-surface);
  border: 1px solid var(--practice-border);
  border-radius: 18px;
  padding: 20px 18px;
}

.gddt-plib-explore h2 {
  margin: 0 0 4px;
  color: var(--practice-primary-hover);
  font-size: 1.25rem;
}

.gddt-plib-explore-inner > p {
  margin: 0 0 14px;
  color: var(--practice-muted);
}

.gddt-plib-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 14px;
}

.gddt-plib-mini {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border-radius: 12px;
  background: var(--practice-soft);
  border: 1px solid var(--practice-border);
  text-decoration: none;
  color: var(--practice-text);
  font-weight: 700;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.gddt-plib-mini:hover {
  transform: translateY(-2px);
  border-color: #C4B5FD;
  color: var(--practice-text);
  text-decoration: none;
}

/* —— Responsive —— */
@media (max-width: 900px) {
  .gddt-plib-grid,
  .gddt-plib-portals,
  .gddt-plib-mini-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .gddt-plib-hero .gddt-plib-title,
  .gddt-plib-hero h1.gddt-plib-title {
    font-size: 32px;
  }
}

@media (max-width: 640px) {
  .gddt-plib-grid,
  .gddt-plib-lessons,
  .gddt-plib-portals,
  .gddt-plib-mini-grid {
    grid-template-columns: 1fr;
  }
  .gddt-plib-hero {
    border-radius: 20px;
    padding: 20px 16px;
  }
  .gddt-plib-hero .gddt-plib-title,
  .gddt-plib-hero h1.gddt-plib-title {
    font-size: 28px;
  }
  .gddt-plib-hero .gddt-plib-lead {
    font-size: 16px;
  }
  .gddt-plib-search {
    max-width: none;
    flex-direction: column;
  }
  .gddt-plib-search input[type="search"],
  .gddt-plib-search .gddt-plib-btn {
    width: 100%;
    flex: 1 1 auto;
  }
  body.gddt-has-practice-cta .ts-hero-actions .gddt-hero-practice,
  body.gddt-has-practice-cta .ts-hero-actions .ts-btn {
    width: 100%;
  }
  body.gddt-has-practice-cta .ts-hero .gddt-plib-portals {
    max-width: none;
  }
}

/*
 * Hide Blocksy archive title only on Practice Library archives.
 * !important required: theme uses !important on title containers.
 */
body.gddt-practice-archive .hero-section,
body.gddt-practice-archive .ct-page-title-container {
  display: none !important;
}

/*
 * Blocksy single posts add ~80–105px above the title.
 * Practice articles: keep the title, shrink the gap under the site header.
 */
body.gddt-practice-article #main > .ct-container,
body.gddt-practice-article #main > .ct-container-full,
body.gddt-practice-article .site-main > .ct-container,
body.gddt-practice-article .site-main > .ct-container-full {
  padding-top: 12px !important;
  padding-bottom: 24px !important;
}
body.gddt-practice-article article.post,
body.gddt-practice-article article.type-post,
body.gddt-practice-article article.hentry {
  padding-top: 0 !important;
  margin-top: 0 !important;
}
body.gddt-practice-article .hero-section {
  margin-top: 0 !important;
  margin-bottom: 8px !important;
  min-height: 0 !important;
  padding-top: 8px !important;
  padding-bottom: 8px !important;
}
body.gddt-practice-article .entry-header,
body.gddt-practice-article .hero-section .entry-header {
  margin-top: 0 !important;
  margin-bottom: 8px !important;
  padding-top: 0 !important;
}
body.gddt-practice-article h1.entry-title,
body.gddt-practice-article .hero-section .page-title,
body.gddt-practice-article .hero-section h1 {
  margin-top: 0 !important;
  margin-bottom: 8px !important;
}

body.gddt-practice-article .gddt-plib-crumb {
  margin-top: 4px;
}

#gddt-practice,
#gddt-qp-qcard,
body.gddt-practice-article .gddt-qp-v2 {
  scroll-margin-top: 88px;
}

/* Play session: widen article shell into laptop side margins (question card stays center-weighted). */
@media (min-width: 1000px) {
  body.gddt-practice-article .gddt-plib:has(.gddt-qp-v2[data-qp-screen="play"]),
  body.gddt-practice-article .gddt-plib:has(.gddt-qp-v2[data-qp-screen="review-detail"]) {
    max-width: min(1440px, calc(100vw - 32px));
  }

  body.gddt-practice-article .gddt-plib-practice-block:has(.gddt-qp-v2[data-qp-screen="play"]),
  body.gddt-practice-article .gddt-plib-practice-block:has(.gddt-qp-v2[data-qp-screen="review-detail"]) {
    max-width: none;
  }

  body.gddt-practice-article #main > .ct-container:has(.gddt-qp-v2[data-qp-screen="play"]),
  body.gddt-practice-article #main > .ct-container-full:has(.gddt-qp-v2[data-qp-screen="play"]),
  body.gddt-practice-article .site-main > .ct-container:has(.gddt-qp-v2[data-qp-screen="play"]),
  body.gddt-practice-article .site-main > .ct-container-full:has(.gddt-qp-v2[data-qp-screen="play"]),
  body.gddt-practice-article #main > .ct-container:has(.gddt-qp-v2[data-qp-screen="review-detail"]),
  body.gddt-practice-article #main > .ct-container-full:has(.gddt-qp-v2[data-qp-screen="review-detail"]),
  body.gddt-practice-article .site-main > .ct-container:has(.gddt-qp-v2[data-qp-screen="review-detail"]),
  body.gddt-practice-article .site-main > .ct-container-full:has(.gddt-qp-v2[data-qp-screen="review-detail"]) {
    max-width: min(1480px, calc(100vw - 24px));
    width: 100%;
  }
}

/*
 * Soften Practice Engine kicker on Practice articles only.
 * !important: quiz UI embeds inline/high-specificity styles.
 */
body.gddt-practice-article .gddt-qp-kicker {
  background: var(--practice-soft) !important;
  color: var(--practice-primary-hover) !important;
  border-color: #C4B5FD !important;
}