/* DTM catalog pages. Kept separate from style.css so browsers cannot keep an old cached layout. */
body.dtm-page {
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, .28), transparent 30%),
    radial-gradient(circle at 88% 0%, rgba(255, 214, 102, .22), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, .20), rgba(255, 255, 255, 0) 46%),
    #05c46b;
}

body.dtm-page .main {
  max-width: 1180px;
  padding: 34px 34px 72px;
}

body.dtm-page .back-btn,
body.dtm-page .level-home-link {
  min-height: 42px;
  padding: 10px 18px;
  border: 0;
  border-radius: 8px;
  background: #ffffff;
  color: #111827;
  box-shadow: 0 10px 24px rgba(15, 23, 42, .12);
  font-weight: 900;
  text-decoration: none;
}

.dtm-hero,
.level-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: end;
  margin: 18px 0 20px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, .26);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(10, 17, 33, .98), rgba(94, 28, 38, .96) 48%, rgba(198, 40, 40, .94));
  box-shadow: 0 24px 56px rgba(15, 23, 42, .22);
  color: #ffffff;
  overflow: hidden;
}

.dtm-hero::after,
.level-hero::after {
  content: "";
  position: absolute;
  inset: auto -8% -50% 46%;
  height: 220px;
  background: radial-gradient(circle, rgba(255, 255, 255, .18), transparent 68%);
  pointer-events: none;
}

.dtm-hero > *,
.level-hero > * {
  position: relative;
  z-index: 1;
}

.dtm-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 8px;
  background: rgba(255, 255, 255, .14);
  color: rgba(255, 255, 255, .88);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.dtm-hero h1,
.level-hero h1 {
  margin: 12px 0 8px;
  color: #ffffff;
  font-size: clamp(34px, 5vw, 58px);
  line-height: .98;
  letter-spacing: 0;
}

.dtm-hero p,
.level-hero p {
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, .78);
  font-size: 16px;
  font-weight: 800;
}

.dtm-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(110px, 1fr));
  gap: 10px;
  min-width: 390px;
}

.dtm-hero-stats span,
.level-hero-count {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 8px;
  background: rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .78);
  font-size: 12px;
  font-weight: 900;
}

.dtm-hero-stats strong,
.level-hero-count strong {
  color: #ffffff;
  font-size: 32px;
  line-height: 1;
}

.dtm-switcher,
.level-book-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 22px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, .70);
  border-radius: 8px;
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 18px 42px rgba(15, 23, 42, .12);
  backdrop-filter: blur(12px);
}

.level-book-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.dtm-switch-card,
.level-book-card {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 78px;
  padding: 14px;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 8px;
  background: #ffffff;
  color: #111827;
  text-decoration: none;
  box-shadow: 0 10px 22px rgba(15, 23, 42, .07);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.dtm-switch-card:hover,
.level-book-card:hover,
.dtm-test-card:hover,
.level-test-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(15, 23, 42, .13);
  border-color: rgba(229, 57, 53, .32);
}

.dtm-switch-card--primary {
  border-color: rgba(229, 57, 53, .24);
  background: linear-gradient(135deg, #ffffff, #fff4f4);
}

.dtm-switch-card--level,
.level-book-card--accent {
  border-color: rgba(255, 255, 255, .22);
  background: linear-gradient(135deg, #111827, #7f1d1d);
  color: #ffffff;
}

.dtm-switch-icon,
.level-book-no {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 8px;
  background: linear-gradient(135deg, #111827, #e53935);
  color: #ffffff;
  font-weight: 900;
}

.dtm-switch-card--level .dtm-switch-icon,
.level-book-card--accent .level-book-no {
  background: #ffffff;
  color: #111827;
}

.dtm-switch-card strong,
.level-book-card strong {
  display: block;
  color: inherit;
  font-size: 18px;
  line-height: 1.1;
}

.dtm-switch-card small,
.level-book-card small {
  display: block;
  margin-top: 4px;
  color: #667085;
  font-size: 12px;
  font-weight: 800;
}

.dtm-switch-card--level small,
.level-book-card--accent small {
  color: rgba(255, 255, 255, .72);
}

.dtm-test-section,
.level-test-section {
  margin-top: 22px;
  scroll-margin-top: 120px;
}

.dtm-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin: 0 0 14px;
}

.dtm-section-label {
  color: #7f1d1d;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.dtm-section-head h2 {
  margin: 4px 0 0;
  color: #111827;
  font-size: 32px;
  line-height: 1;
}

.dtm-count {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 8px;
  background: #111827;
  color: #ffffff;
  font-size: 13px;
  font-weight: 900;
}

.dtm-test-grid,
.level-test-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}

.level-test-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.dtm-test-card,
.level-test-card {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 98px;
  width: 100%;
  padding: 14px;
  border: 1px solid rgba(229, 57, 53, .18);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff, #fff8f8);
  color: #111827;
  box-shadow: 0 12px 24px rgba(15, 23, 42, .08);
  cursor: pointer;
  text-align: left;
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

.dtm-test-card.is-free,
.level-test-card.is-free {
  border-color: rgba(16, 185, 129, .28);
  background: linear-gradient(135deg, #ffffff, #f1fdf7);
}

.dtm-test-card.is-premium,
.level-test-card.is-premium {
  border-color: rgba(245, 158, 11, .34);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .98), rgba(255, 248, 235, .96));
}

.dtm-test-no {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: #111827;
  color: #ffffff;
  font-size: 16px;
  font-weight: 900;
}

.dtm-test-card.is-free .dtm-test-no,
.level-test-card.is-free .dtm-test-no {
  background: linear-gradient(135deg, #064e3b, #10b981);
}

.dtm-test-card.is-premium .dtm-test-no,
.level-test-card.is-premium .dtm-test-no {
  background: linear-gradient(135deg, #111827, #b45309);
}

.dtm-test-body {
  min-width: 0;
}

.dtm-test-title-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
}

.dtm-test-body strong {
  display: block;
  color: #111827;
  font-size: 16px;
  line-height: 1.2;
}

.dtm-ready-badge {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 4px 7px;
  border-radius: 8px;
  background: #d1fae5;
  color: #047857;
  font-size: 10px;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.dtm-test-body small {
  display: block;
  margin-top: 4px;
  color: #667085;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
}

.dtm-test-status {
  grid-column: 2;
  justify-self: start;
  min-height: 26px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(229, 57, 53, .10);
  color: #b42318;
  font-size: 11px;
  font-weight: 900;
}

.dtm-test-user-progress {
  grid-column: 2;
  justify-self: start;
  color: #344054;
  font-size: 11px;
  font-weight: 900;
}

.dtm-test-user-progress[hidden] {
  display: none;
}

.dtm-test-card.is-free .dtm-test-status,
.level-test-card.is-free .dtm-test-status {
  background: #dcfce7;
  color: #166534;
}

.dtm-test-card.is-premium .dtm-test-status,
.level-test-card.is-premium .dtm-test-status {
  background: #fff7ed;
  color: #9a3412;
}

.dtm-test-cta {
  grid-column: 2;
  justify-self: start;
  min-height: 30px;
  padding: 7px 11px;
  border-radius: 8px;
  background: #111827;
  color: #ffffff;
  font-size: 12px;
  font-weight: 900;
}

.dtm-test-card.is-free .dtm-test-cta,
.level-test-card.is-free .dtm-test-cta {
  background: #047857;
}

.dtm-test-card.is-premium .dtm-test-cta,
.level-test-card.is-premium .dtm-test-cta {
  background: #b45309;
}

.level-top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.level-book-copy,
.dtm-test-body {
  display: block;
}

.level-test-card--review .dtm-test-no {
  background: #7c3aed;
}

.level-test-card--b1 .dtm-test-no {
  background: #0f766e;
}

.level-test-card--b2 .dtm-test-no {
  background: #1d4ed8;
}

@media (max-width: 1100px) {
  .dtm-hero,
  .level-hero {
    grid-template-columns: 1fr;
  }

  .dtm-hero-stats {
    min-width: 0;
    width: 100%;
  }

  .level-book-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  body.dtm-page .main {
    padding: 22px 16px 56px;
  }

  .dtm-hero,
  .level-hero {
    padding: 22px;
  }

  .dtm-hero h1,
  .level-hero h1 {
    font-size: 34px;
  }

  .dtm-hero-stats,
  .dtm-switcher,
  .level-book-grid,
  .dtm-test-grid,
  .level-test-grid {
    grid-template-columns: 1fr;
  }

  .dtm-section-head {
    align-items: start;
    flex-direction: column;
  }
}