:root {
  --ielts-ink: #101827;
  --ielts-muted: #627089;
  --ielts-line: rgba(16, 24, 39, 0.11);
  --ielts-card: rgba(255, 255, 255, 0.94);
  --ielts-soft: #f5f8fb;
  --ielts-shadow: 0 20px 54px rgba(16, 24, 39, 0.11);
}

body.ielts-catalog-page {
  --ielts-primary: #2457d6;
  --ielts-primary-strong: #183f9f;
  --ielts-accent: #0f9f7a;
  --ielts-accent-soft: #e4f8f1;
  --ielts-primary-soft: #e9f0ff;
  color: var(--ielts-ink);
  background:
    linear-gradient(180deg, rgba(36, 87, 214, 0.08), rgba(255, 255, 255, 0) 320px),
    #f3f6fb;
}

body.ielts-listening-catalog {
  --ielts-primary: #0f8f6c;
  --ielts-primary-strong: #08644f;
  --ielts-accent: #2563eb;
  --ielts-accent-soft: #e9f1ff;
  --ielts-primary-soft: #e6f7f1;
  background:
    linear-gradient(180deg, rgba(15, 143, 108, 0.1), rgba(255, 255, 255, 0) 320px),
    #f2f8f5;
}

body.ielts-catalog-page .main {
  padding: 0;
}

body.ielts-catalog-page .content-section.active.has-back {
  overflow: visible;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

body.ielts-catalog-page .reading-page-hero,
body.ielts-catalog-page .listening-page-hero {
  position: relative;
  min-height: 270px;
  padding: 30px clamp(18px, 3vw, 42px) 42px;
  text-align: left;
  background:
    linear-gradient(135deg, var(--ielts-primary-strong) 0%, var(--ielts-primary) 58%, var(--ielts-accent) 100%);
  color: #fff;
  isolation: isolate;
}

body.ielts-catalog-page .reading-page-hero::before,
body.ielts-catalog-page .listening-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.28), transparent 24%),
    radial-gradient(circle at 84% 12%, rgba(255, 255, 255, 0.18), transparent 24%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.11), transparent 55%);
}

body.ielts-catalog-page .reading-page-hero::after,
body.ielts-catalog-page .listening-page-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.22);
}

body.ielts-catalog-page .reading-page-hero .back-btn,
body.ielts-catalog-page .listening-page-hero .back-btn {
  position: static;
  display: inline-flex;
  width: auto;
  min-height: 42px;
  margin: 0 0 24px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.13);
  color: #fff;
  box-shadow: none;
  backdrop-filter: blur(10px);
}

body.ielts-catalog-page .reading-page-hero h1,
body.ielts-catalog-page .listening-page-hero h1 {
  max-width: 820px;
  margin: 0;
  color: #fff;
  font-size: clamp(42px, 6vw, 82px);
  line-height: 0.95;
  letter-spacing: 0;
}

body.ielts-catalog-page .reading-page-hero p,
body.ielts-catalog-page .listening-page-hero p {
  max-width: 760px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(16px, 1.7vw, 20px);
  line-height: 1.45;
}

.ielts-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  width: min(760px, 100%);
  margin-top: 26px;
}

.ielts-hero-stat {
  min-height: 78px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.ielts-hero-stat strong {
  display: block;
  color: #fff;
  font-size: 24px;
  line-height: 1;
}

.ielts-hero-stat span {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 800;
}

body.ielts-catalog-page .reading-board,
body.ielts-catalog-page .listening-board {
  grid-template-columns: 280px minmax(0, 1fr);
  gap: clamp(18px, 2.2vw, 30px);
  width: min(1440px, calc(100% - 36px));
  max-width: none;
  margin: -30px auto 0;
  padding: 0 0 48px;
}

body.ielts-catalog-page .reading-filter,
body.ielts-catalog-page .listening-filter {
  top: 18px;
  padding: 18px;
  border: 1px solid var(--ielts-line);
  border-radius: 8px;
  background: var(--ielts-card);
  box-shadow: var(--ielts-shadow);
  backdrop-filter: blur(14px);
}

body.ielts-catalog-page .filter-title {
  margin-bottom: 14px;
  color: var(--ielts-muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

body.ielts-catalog-page .filter-stack {
  display: grid;
  gap: 9px;
}

body.ielts-catalog-page .filter-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 58px;
  padding: 12px 13px;
  border: 1px solid var(--ielts-line);
  border-radius: 8px;
  background: #fff;
  color: #26354d;
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

body.ielts-catalog-page .filter-pill:hover {
  transform: translateY(-1px);
  border-color: rgba(16, 24, 39, 0.18);
  box-shadow: 0 12px 26px rgba(16, 24, 39, 0.08);
}

body.ielts-catalog-page .filter-pill.active {
  border-color: transparent !important;
  color: #fff !important;
  background: linear-gradient(135deg, var(--ielts-primary), var(--ielts-primary-strong)) !important;
  box-shadow: 0 16px 28px rgba(16, 24, 39, 0.16) !important;
}

body.ielts-catalog-page .filter-icon,
body.ielts-catalog-page .filter-count {
  background: rgba(16, 24, 39, 0.07);
}

body.ielts-catalog-page .filter-pill.active .filter-icon,
body.ielts-catalog-page .filter-pill.active .filter-count {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.2) !important;
}

body.ielts-catalog-page .reading-board-main,
body.ielts-catalog-page .listening-board-main {
  gap: 32px;
  padding-top: 52px;
}

body.ielts-catalog-page .test-group {
  gap: 16px;
}

body.ielts-catalog-page .test-group-head {
  align-items: flex-end;
  padding: 0 2px;
}

body.ielts-catalog-page .test-group-title {
  color: var(--ielts-ink);
  font-size: clamp(26px, 2.6vw, 36px);
  line-height: 1.05;
}

body.ielts-catalog-page .test-group-title::before {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background:
    linear-gradient(#fff, #fff) 6px 6px / 11px 2px no-repeat,
    linear-gradient(#fff, #fff) 6px 11px / 11px 2px no-repeat,
    linear-gradient(#fff, #fff) 6px 16px / 11px 2px no-repeat,
    var(--ielts-primary);
}

body.ielts-catalog-page .test-group-sub {
  max-width: 780px;
  margin-left: 34px;
  color: var(--ielts-muted);
  font-size: 15px;
}

body.ielts-catalog-page .test-group-link {
  min-height: 38px;
  padding: 10px 14px;
  color: var(--ielts-primary-strong);
  background: var(--ielts-primary-soft);
}

body.ielts-catalog-page .test-card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

body.ielts-catalog-page .test-card {
  min-height: 220px;
  padding: 20px;
  border: 1px solid var(--ielts-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(16, 24, 39, 0.08);
}

body.ielts-catalog-page .test-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--ielts-primary), var(--ielts-accent));
  opacity: 0;
  transition: opacity 140ms ease;
}

body.ielts-catalog-page .test-card:not(.is-disabled):hover {
  transform: translateY(-3px);
  border-color: rgba(36, 87, 214, 0.28);
  box-shadow: 0 22px 46px rgba(16, 24, 39, 0.13);
}

body.ielts-listening-catalog .test-card:not(.is-disabled):hover {
  border-color: rgba(15, 143, 108, 0.28);
}

body.ielts-catalog-page .test-card:not(.is-disabled):hover::after,
body.ielts-catalog-page .test-card.is-featured::after {
  opacity: 1;
}

body.ielts-catalog-page .test-card.is-featured,
body.ielts-catalog-page #reading-full-mocks .test-card.is-featured {
  min-height: 260px;
  padding: 20px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(248, 251, 255, 0.88)),
    radial-gradient(circle at 100% 0, var(--ielts-primary-soft), transparent 42%),
    #fff;
}

body.ielts-catalog-page .free-badge,
body.ielts-catalog-page .ready-badge,
body.ielts-catalog-page .soon-badge,
body.ielts-catalog-page .mock-card-label {
  position: static;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

body.ielts-catalog-page .free-badge,
body.ielts-catalog-page .ready-badge {
  color: #08644f;
  background: #78eda7;
}

body.ielts-catalog-page .mock-card-label {
  margin-left: auto;
  border: 1px solid rgba(36, 87, 214, 0.18);
  background: var(--ielts-primary-soft);
  color: var(--ielts-primary-strong);
  box-shadow: none;
}

body.ielts-catalog-page .test-card > .free-badge:first-child,
body.ielts-catalog-page .test-card > .ready-badge:first-child {
  float: left;
}

body.ielts-catalog-page .test-card > .mock-card-label:nth-child(2) {
  float: right;
}

body.ielts-catalog-page .test-card h3 {
  clear: both;
  margin: 18px 0 9px;
  color: var(--ielts-ink);
  font-size: clamp(20px, 1.6vw, 26px);
  line-height: 1.08;
  text-transform: none;
}

body.ielts-catalog-page .mock-card-title {
  padding-right: 0;
  text-transform: none !important;
}

body.ielts-catalog-page .test-card p {
  color: #53627a;
  font-size: 14px;
  line-height: 1.45;
}

body.ielts-catalog-page .reading-meta-list,
body.ielts-catalog-page .listening-parts-list {
  display: grid;
  gap: 5px;
  max-height: 104px;
  margin: 12px 0 18px;
  padding: 0;
  overflow: hidden;
  color: #34445c;
  font-size: 13px;
  line-height: 1.35;
  list-style: none;
}

body.ielts-catalog-page .reading-meta-list li,
body.ielts-catalog-page .listening-parts-list li {
  position: relative;
  padding-left: 13px;
}

body.ielts-catalog-page .reading-meta-list li::before,
body.ielts-catalog-page .listening-parts-list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ielts-accent);
}

body.ielts-catalog-page .start-bar {
  min-height: 46px;
  margin-top: auto;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--ielts-primary), var(--ielts-primary-strong));
  box-shadow: 0 14px 26px rgba(16, 24, 39, 0.14);
}

body.ielts-catalog-page .play-dot::before {
  border-left-color: var(--ielts-primary-strong);
}

body.ielts-catalog-page .reading-note {
  padding: 14px 16px;
  border: 1px solid var(--ielts-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
}

@media (max-width: 1240px) {
  body.ielts-catalog-page .test-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  body.ielts-catalog-page .reading-board,
  body.ielts-catalog-page .listening-board {
    grid-template-columns: 1fr;
    width: min(100% - 24px, 900px);
    margin-top: -22px;
  }

  body.ielts-catalog-page .reading-filter,
  body.ielts-catalog-page .listening-filter {
    position: static;
  }

  body.ielts-catalog-page .filter-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  body.ielts-catalog-page .reading-board-main,
  body.ielts-catalog-page .listening-board-main {
    padding-top: 6px;
  }

  body.ielts-catalog-page .test-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  body.ielts-catalog-page .reading-page-hero,
  body.ielts-catalog-page .listening-page-hero {
    min-height: 0;
    padding: 22px 16px 34px;
  }

  body.ielts-catalog-page .reading-page-hero h1,
  body.ielts-catalog-page .listening-page-hero h1 {
    font-size: clamp(36px, 13vw, 52px);
  }

  .ielts-hero-stats,
  body.ielts-catalog-page .filter-stack,
  body.ielts-catalog-page .test-card-grid {
    grid-template-columns: 1fr;
  }

  body.ielts-catalog-page .test-group-head {
    align-items: flex-start;
    flex-direction: column;
  }

  body.ielts-catalog-page .test-group-sub {
    margin-left: 0;
  }

  body.ielts-catalog-page .test-card {
    min-height: 210px;
  }
}