/* ==========================================================================
   Maths Fluency & Anti-Tally Visualizations CSS
   Tailored for UK Year 4 & 5 Curriculum (Ages 8-10)
   ========================================================================== */

/* ==========================================================================
   UK / EU GDPR & COOKIE NOTICE BANNER
   ========================================================================== */
.govuk-cookie-banner {
  font-family: var(--govuk-font-family);
  font-size: 16px;
  color: #0b0c0c;
  background-color: #f3f2f1;
  border-bottom: 5px solid #1d70b8;
  padding: 20px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  position: relative;
  z-index: 1000;
}

.govuk-cookie-banner__container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 15px;
}

.govuk-cookie-banner__heading {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 10px 0;
  color: #0b0c0c;
  display: flex;
  align-items: center;
  gap: 8px;
}

.govuk-cookie-banner__content {
  font-size: 15px;
  line-height: 1.5;
  color: #0b0c0c;
  margin-bottom: 15px;
}

.govuk-cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.cookie-btn-primary {
  background-color: #00703c;
  color: #ffffff;
  border: 2px solid #004d29;
  border-radius: 4px;
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 0 #002d18;
  transition: all 0.15s;
}

.cookie-btn-primary:hover {
  background-color: #005a30;
}

.cookie-btn-secondary {
  background-color: #ffffff;
  color: #1d70b8;
  border: 2px solid #1d70b8;
  border-radius: 4px;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}

.cookie-btn-secondary:hover {
  background-color: #eaf3fa;
}

.cookie-link {
  font-size: 14px;
  font-weight: 700;
  color: #1d70b8;
  text-decoration: underline;
  cursor: pointer;
  margin-left: 6px;
}

/* Utility badges & callouts */
.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #ffffff;
  transition: transform 0.15s ease;
}

.brand-logo-link:hover {
  transform: scale(1.02);
  text-decoration: none;
}

.brand-icon-box {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #ffdd00 0%, #f47738 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  flex-shrink: 0;
}

.brand-icon-box svg {
  width: 24px;
  height: 24px;
  fill: #0b0c0c;
}

.brand-text-block {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-title-main {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.2px;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-title-main span.domain-highlight {
  color: #ffdd00;
}

.brand-tagline {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.2px;
}

.tip-btn {
  background: linear-gradient(135deg, #ff5e5b 0%, #ff8c42 100%);
  color: #ffffff;
  border: 2px solid #ffffff;
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  transition: all 0.15s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.tip-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 10px rgba(255, 94, 91, 0.4);
  color: #ffffff;
  text-decoration: none;
}

.share-btn {
  background: #1d70b8;
  color: #ffffff;
  border: 2px solid #ffffff;
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  transition: all 0.15s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.share-btn:hover {
  background: #003078;
  transform: scale(1.05);
  box-shadow: 0 4px 10px rgba(29, 112, 184, 0.4);
  color: #ffffff;
  text-decoration: none;
}

/* Header Top Actions Row */
.header-actions-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
}

@media (max-width: 640px) {
  .govuk-header__container {
    padding: 6px 12px 6px 12px !important;
    gap: 6px !important;
  }

  .brand-logo-link {
    gap: 8px !important;
  }

  .brand-icon-box {
    width: 32px !important;
    height: 32px !important;
  }

  .brand-icon-box svg {
    width: 20px !important;
    height: 20px !important;
  }

  .brand-title-main {
    font-size: 15px !important;
  }

  .brand-tagline {
    display: none !important; /* Hide long subtitle on phones to save space */
  }

  .header-actions-row {
    gap: 4px !important;
  }

  .header-actions-row .share-btn,
  .header-actions-row .tip-btn,
  .header-actions-row .trophy-toggle-btn,
  .header-actions-row .sound-toggle {
    padding: 4px 7px !important;
    font-size: 12px !important;
    height: 32px !important;
    white-space: nowrap !important;
  }

  .btn-text-desktop {
    display: none !important; /* Shows ☕, 🏆 (0/8), 🔊 on phones in a single crisp row */
  }

  /* Single-row Horizontal Scrollable Tabs Bar (Marquee-style scroll) */
  .govuk-header__nav-row {
    padding: 0 !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important; /* Firefox */
  }

  .govuk-header__nav-row::-webkit-scrollbar {
    display: none !important; /* Chrome/Safari */
  }

  .govuk-nav-tabs {
    display: flex !important;
    flex-wrap: nowrap !important;
    white-space: nowrap !important;
    padding: 0 10px !important;
    gap: 6px !important;
  }

  .govuk-nav-tab {
    padding: 7px 12px !important;
    font-size: 13px !important;
    flex-shrink: 0 !important;
    border-radius: 6px 6px 0 0 !important;
  }
}

.tip-tier-card {
  background: #ffffff;
  border: 2px solid #e1e4e8;
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  transition: all 0.2s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tip-tier-card:hover {
  border-color: #ff5e5b;
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(255, 94, 91, 0.15);
}

/* ==========================================================================
   HOMEPAGE & PORTAL STYLES (Hero, Pillars, FAQs, Contact)
   ========================================================================== */
.home-hero-card {
  background: linear-gradient(135deg, #002d62 0%, #1d70b8 100%);
  color: #ffffff;
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 25px;
  border-bottom: 5px solid #ffdd00;
  box-shadow: 0 8px 24px rgba(0, 45, 98, 0.2);
}

.home-hero-grid {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.home-hero-content {
  flex: 1 1 450px;
}

.home-hero-image-wrap {
  flex: 0 1 340px;
  text-align: center;
}

.home-hero-img {
  width: 100%;
  max-width: 320px;
  height: 220px;
  object-fit: cover;
  border-radius: 10px;
  border: 3px solid #ffdd00;
  box-shadow: 0 6px 16px rgba(0,0,0,0.3);
}

.home-portal-card-img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 12px;
}

.home-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffdd00;
  color: #0b0c0c;
  font-weight: 800;
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.home-hero-title {
  font-size: 32px;
  font-weight: 900;
  color: #ffffff;
  margin: 0 0 12px 0;
  line-height: 1.2;
}

.home-hero-desc {
  font-size: 17px;
  color: #f3f2f1;
  margin: 0 0 20px 0;
  line-height: 1.5;
}

.home-hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.home-portal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.home-portal-card {
  background: #ffffff;
  border: 2px solid #e1e4e8;
  border-top: 6px solid #1d70b8;
  border-radius: 10px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.home-portal-card:hover {
  transform: translateY(-4px);
  border-color: #1d70b8;
  box-shadow: 0 8px 20px rgba(29, 112, 184, 0.15);
}

.home-portal-card--green {
  border-top-color: #00703c;
}

.home-portal-card--gold {
  border-top-color: #f47738;
}

.home-portal-icon {
  font-size: 38px;
  margin-bottom: 12px;
}

.home-portal-title {
  font-size: 20px;
  font-weight: 800;
  color: #0b0c0c;
  margin: 0 0 8px 0;
}

.home-portal-desc {
  font-size: 15px;
  color: #505a5f;
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}

/* ==========================================================================
   HIGH-CONTRAST FOOTER STYLING
   ========================================================================== */
.govuk-footer {
  background-color: #0b0c0c !important;
  border-top: 4px solid #1d70b8 !important;
  color: #ffffff !important;
  padding: 35px 0 30px 0 !important;
}

.footer-brand-title {
  color: #ffffff !important;
  font-size: 18px;
  font-weight: 800;
  display: block;
  margin-bottom: 4px;
}

.footer-sub-text {
  color: #bfc1c3 !important;
  font-size: 14px;
  margin: 0;
  line-height: 1.4;
}

.footer-links-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-link-btn {
  background: transparent;
  border: none;
  color: #ffffff !important;
  font-size: 14px;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 3px;
  transition: all 0.15s;
}

.footer-link-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffdd00 !important;
}

.footer-tip-pill {
  background: #ffdd00 !important;
  color: #0b0c0c !important;
  border: 2px solid #0b0c0c !important;
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none !important;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  transition: transform 0.15s;
}

.footer-tip-pill:hover {
  transform: scale(1.05);
  background: #ffeb66 !important;
}

.footer-copy {
  color: #8c8f94 !important;
  font-size: 13px;
}

.home-portal-cta {
  font-size: 15px;
  font-weight: 800;
  color: #1d70b8;
  display: flex;
  align-items: center;
  gap: 6px;
}

.faq-card {
  background: #f8f8f8;
  border: 1px solid #b1b4b6;
  border-radius: 6px;
  padding: 16px 20px;
  margin-bottom: 12px;
}

.faq-question {
  font-size: 17px;
  font-weight: 800;
  color: #0b0c0c;
  margin: 0 0 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.faq-answer {
  font-size: 15px;
  color: #505a5f;
  line-height: 1.5;
  margin: 0;
}

.app-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eaf3fa;
  color: #1d70b8;
  border: 2px solid #1d70b8;
  padding: 6px 14px;
  font-size: 16px;
  font-weight: 800;
  border-radius: 20px;
}

.app-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 25px;
}

.app-stat-box {
  flex: 1;
  min-width: 140px;
  background-color: #ffffff;
  border: 2px solid #e1e4e8;
  border-top: 5px solid #1d70b8;
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
  transition: transform 0.15s ease;
}

.app-stat-box:hover {
  transform: translateY(-2px);
}

.app-stat-box--gold {
  border-top-color: #f47738;
}

.app-stat-box--green {
  border-top-color: #00703c;
}

.app-stat-box__number {
  font-size: 36px;
  font-weight: 800;
  color: #0b0c0c;
  line-height: 1.1;
  display: block;
}

.app-stat-box__label {
  font-size: 13px;
  color: #505a5f;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-top: 6px;
}

/* Subtabs navigation */
.app-subtabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 10px;
}

.app-subtab-btn {
  background-color: #ffffff;
  color: #1d70b8;
  border: 2px solid #b1b4b6;
  padding: 10px 18px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 24px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.04);
}

.app-subtab-btn:hover {
  background-color: #eaf3fa;
  border-color: #1d70b8;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(29, 112, 184, 0.15);
}

.app-subtab-btn--active {
  background-color: #1d70b8 !important;
  color: #ffffff !important;
  border-color: #003078 !important;
  box-shadow: 0 4px 0 #003078 !important;
  transform: translateY(-1px);
}

.app-strategy-pane {
  display: none;
  animation: fadeIn 0.25s ease-in;
}

.app-strategy-pane--active {
  display: block !important;
}

/* ==========================================================================
   COMPACT TOPIC NAVIGATION VARIANTS (OPTIONS 1, 2, 3)
   ========================================================================== */

/* OPTION 1: COMPACT TOPIC BAR (DROPDOWN + PREV/NEXT) */
.app-topic-bar {
  background: #ffffff;
  border: 2px solid #1d70b8;
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(29, 112, 184, 0.08);
}

.app-topic-bar__label {
  font-size: 16px;
  font-weight: 800;
  color: #0b0c0c;
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-topic-bar__select-wrap {
  flex: 1;
  min-width: 260px;
}

.app-topic-dropdown {
  width: 100%;
  height: 48px;
  font-size: 17px;
  font-weight: 700;
  color: #0b0c0c;
  border: 2px solid #1d70b8;
  border-radius: 8px;
  padding: 8px 14px;
  background-color: #f3f8fd;
  cursor: pointer;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}

.app-topic-dropdown:focus {
  outline: 3px solid #ffdd00;
  background-color: #ffffff;
}

.app-topic-bar__actions {
  display: flex;
  gap: 8px;
}

.app-topic-nav-btn {
  background: #ffffff;
  border: 2px solid #b1b4b6;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 800;
  color: #1d70b8;
  cursor: pointer;
  box-shadow: 0 3px 0 #b1b4b6;
  transition: all 0.15s ease;
}

.app-topic-nav-btn:hover {
  background: #eaf3fa;
  border-color: #1d70b8;
}

.app-topic-nav-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #b1b4b6;
}

/* OPTION 2: COLLAPSIBLE TOPIC DRAWER */
.app-drawer-header {
  background: #ffffff;
  border: 2px solid #1d70b8;
  border-radius: 12px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.app-drawer-btn {
  background: #1d70b8;
  color: #ffffff;
  border: 2px solid #003078;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 4px 0 #003078;
  transition: all 0.15s ease;
}

.app-drawer-btn:hover {
  background: #003078;
}

.app-drawer-btn:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #003078;
}

.app-drawer-panel {
  background: #f8f8f8;
  border: 2px solid #b1b4b6;
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 22px;
  animation: fadeIn 0.2s ease-in;
}

.app-drawer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.app-drawer-card {
  background: #ffffff;
  border: 2px solid #b1b4b6;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 700;
  color: #0b0c0c;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.app-drawer-card:hover {
  background: #eaf3fa;
  border-color: #1d70b8;
  color: #1d70b8;
  transform: translateY(-2px);
}

.app-drawer-card--active {
  background: #1d70b8 !important;
  color: #ffffff !important;
  border-color: #003078 !important;
  box-shadow: 0 3px 0 #003078 !important;
}

/* OPTION 3: CATEGORY TABS & COMPACT CAROUSEL RIBBON */
.app-category-tabs-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  border-bottom: 2px solid #b1b4b6;
  padding-bottom: 8px;
  overflow-x: auto;
}

.app-category-tab {
  background: #f3f2f1;
  border: 2px solid #b1b4b6;
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 800;
  color: #505a5f;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.app-category-tab:hover {
  background: #eaf3fa;
  color: #1d70b8;
  border-color: #1d70b8;
}

.app-category-tab--active {
  background: #00703c !important;
  color: #ffffff !important;
  border-color: #004d2a !important;
  box-shadow: 0 3px 0 #004d2a !important;
}

.app-subtabs-group-compact {
  margin-bottom: 16px;
}


/* ==========================================================================
   TIMES TABLES (1 TO 12) SINGLE-LINE DISPLAY: 2 x 3 = 6 ( 2 + 2 + 2 )
   ========================================================================== */

/* 1 to 12 Table Selector Buttons */
.app-table-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.app-table-nav-btn {
  flex: 1 0 calc(16.666% - 6px);
  min-width: 65px;
  padding: 10px 6px;
  background: #f3f2f1;
  border: 2px solid #b1b4b6;
  font-size: 18px;
  font-weight: 800;
  color: #0b0c0c;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
}

.app-table-nav-btn:hover {
  background: #e1e0df;
  border-color: #1d70b8;
}

.app-table-nav-btn--active {
  background: #1d70b8 !important;
  color: #ffffff !important;
  border-color: #003078 !important;
  box-shadow: 0 3px 0 #003078;
}

/* Times Table Card */
.times-table-card {
  background: #ffffff;
  border: 3px solid #1d70b8;
  padding: 22px;
  border-radius: 4px;
}

/* Single-Line Vertical Table Rows */
.times-table-single-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 18px 0;
}

.times-table-single-row {
  background: #f8f8f8;
  border: 1px solid #b1b4b6;
  border-left: 6px solid #1d70b8;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  transition: all 0.15s;
}

.times-table-single-row:hover {
  background: #eaf3fa;
  border-left-color: #003078;
}

.times-table-single-row--square {
  background: #e8f5ec !important;
  border-left-color: #00703c !important;
}

.times-table-equation-group {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

.times-table-equation {
  font-size: 20px;
  font-weight: 800;
  color: #0b0c0c;
}

.times-table-equals {
  font-size: 20px;
  font-weight: 800;
  color: #505a5f;
}

.times-table-result {
  font-size: 22px;
  font-weight: 800;
  color: #00703c;
}

.times-table-star {
  font-size: 16px;
}

.times-table-addition-wrap {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  overflow: hidden;
}

.times-table-addition {
  font-size: 15px;
  font-weight: 700;
  color: #1d70b8;
  background: #ffffff;
  padding: 4px 10px;
  border: 1px dashed #1d70b8;
  border-radius: 4px;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* Mobile Compact Optimization */
@media (max-width: 640px) {
  .app-table-nav {
    display: grid !important;
    grid-template-columns: repeat(6, 1fr) !important;
    gap: 4px !important;
    margin-bottom: 12px !important;
  }

  .app-table-nav-btn {
    min-width: unset !important;
    padding: 6px 2px !important;
    font-size: 14px !important;
    border-width: 1px !important;
  }

  .times-table-card {
    padding: 12px 10px !important;
  }

  .times-table-single-col {
    gap: 4px !important;
    margin: 10px 0 !important;
  }

  .times-table-single-row {
    padding: 6px 10px !important;
    font-size: 16px !important;
    border-left-width: 4px !important;
    gap: 8px !important;
  }

  .times-table-equation {
    font-size: 16px !important;
  }

  .times-table-equals {
    font-size: 16px !important;
  }

  .times-table-result {
    font-size: 18px !important;
  }

  .times-table-addition {
    font-size: 12px !important;
    padding: 2px 6px !important;
    letter-spacing: 0px !important;
  }

  .skip-count-strip {
    padding: 6px 8px !important;
    gap: 4px !important;
    margin: 8px 0 !important;
  }

  .skip-count-item {
    font-size: 13px !important;
    padding: 2px 6px !important;
  }
}

.skip-count-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  background: #eaf3fa;
  border: 1px solid #1d70b8;
  margin: 15px 0;
  align-items: center;
}

.skip-count-item {
  background: #ffffff;
  border: 2px solid #1d70b8;
  padding: 6px 12px;
  font-weight: 800;
  font-size: 18px;
  color: #0b0c0c;
}

/* 12x12 Master Multiplication Matrix */
.master-matrix-container {
  overflow-x: auto;
  margin: 20px 0;
  background: #ffffff;
  padding: 12px;
  border: 2px solid #b1b4b6;
}

.master-matrix {
  border-collapse: collapse;
  margin: 0 auto;
  user-select: none;
}

.master-matrix td, .master-matrix th {
  width: 42px;
  height: 42px;
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  border: 1px solid #b1b4b6;
}

.master-matrix th {
  background: #0b0c0c;
  color: #ffffff;
  font-weight: 800;
}

.master-matrix td {
  background: #ffffff;
  cursor: pointer;
  transition: background-color 0.1s;
}

.master-matrix td:hover, .master-matrix td.matrix-highlight {
  background: #ffdd00 !important;
  color: #0b0c0c !important;
  font-weight: 800;
}

.master-matrix td.matrix-row-col {
  background: #eaf3fa;
}

.master-matrix td.matrix-square {
  background: #e8f5ec;
  border: 2px solid #00703c;
}

/* Matrix Bond Highlights */
.master-matrix td.matrix-ten-bond {
  background: #fff8e1;
}

.master-matrix td.matrix-twenty-bond {
  background: #e8f5ec;
}

/* ==========================================================================
   BONDS & ADDITION SUBTABS & VISUAL DOTS (BIG, PROMINENT BUTTONS)
   ========================================================================== */
.app-bond-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 18px 0 25px 0;
}

.app-bond-tab {
  background: #ffffff;
  border: 3px solid #1d70b8;
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 17px;
  font-weight: 800;
  cursor: pointer;
  color: #0b0c0c;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  box-shadow: 0 4px 0 #b1b4b6;
  transition: all 0.15s ease;
}

.app-bond-tab:hover {
  background: #f3f9ff;
  border-color: #003078;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #1d70b8;
}

.app-bond-tab:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #1d70b8;
}

.app-bond-tab--active {
  background: #1d70b8 !important;
  color: #ffffff !important;
  border-color: #003078 !important;
  box-shadow: 0 4px 0 #002050 !important;
}

.addition-dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  margin: 1px;
}

.addition-dot--red {
  background: #d4351c;
}

.addition-dot--blue {
  background: #1d70b8;
}

.addition-dots-wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding: 6px 10px;
  background: #f8f8f8;
  border-radius: 4px;
}

.addition-dots-group {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   FRIENDS OF 10 & 20 MIRROR GRID
   ========================================================================== */

.bonds-mirror-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 15px;
}

.bonds-mirror-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  background: #f8f8f8;
  border: 1px solid #b1b4b6;
  font-size: 19px;
  font-weight: 700;
  transition: all 0.15s;
}

.bonds-mirror-row:hover {
  background: #eaf3fa;
  border-color: #1d70b8;
}

.bonds-mirror-row--twins {
  background: #e8f5ec !important;
  border-color: #00703c !important;
}

.bond-left {
  flex: 1;
  color: #1d70b8;
  font-size: 21px;
  font-weight: 800;
}

.bond-arrow {
  color: #505a5f;
  font-size: 22px;
  padding: 0 15px;
}

.bond-right {
  flex: 1;
  color: #00703c;
  font-size: 21px;
  font-weight: 800;
  text-align: right;
}

/* ==========================================================================
   VISUAL MODELS (Ten-Frames, Fact Families, Arrays, Number Lines)
   ========================================================================== */

/* Ten Frame & Twenty Frame */
.ten-frame-container {
  display: inline-flex;
  flex-direction: column;
  gap: 8px;
  margin: 15px 0;
  background: #ffffff;
  padding: 12px;
  border: 2px solid #0b0c0c;
  border-radius: 4px;
}

.ten-frame-wrapper {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  align-items: center;
}

.ten-frame {
  display: grid;
  grid-template-columns: repeat(5, 52px);
  grid-template-rows: repeat(2, 52px);
  gap: 3px;
  background-color: #0b0c0c;
  padding: 3px;
  border: 3px solid #0b0c0c;
  user-select: none;
}

.ten-frame-cell {
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 1px dashed #b1b4b6;
}

.ten-frame-counter {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: inset 0 -3px 0 rgba(0,0,0,0.25);
  animation: popIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.ten-frame-counter--red {
  background-color: #d4351c;
  border: 2px solid #941b08;
}

.ten-frame-counter--blue {
  background-color: #1d70b8;
  border: 2px solid #003078;
}

.ten-frame-counter--yellow {
  background-color: #ffdd00;
  border: 2px solid #a38d00;
}

.ten-frame-counter--green {
  background-color: #00703c;
  border: 2px solid #004d29;
}

@keyframes popIn {
  0% { transform: scale(0.3); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* Fact Family Triangle */
.fact-triangle-card {
  display: inline-block;
  background: #ffffff;
  border: 2px solid #1d70b8;
  padding: 20px;
  text-align: center;
  border-radius: 8px;
  margin: 15px 0;
}

.fact-triangle {
  width: 180px;
  height: 160px;
  position: relative;
  margin: 0 auto;
}

.fact-triangle__svg {
  width: 100%;
  height: 100%;
}

.fact-triangle__node {
  position: absolute;
  width: 44px;
  height: 44px;
  background: #ffffff;
  border: 3px solid #1d70b8;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #0b0c0c;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.fact-triangle__node--top {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background: #1d70b8;
  color: #ffffff;
}

.fact-triangle__node--left {
  bottom: 0;
  left: 0;
}

.fact-triangle__node--right {
  bottom: 0;
  right: 0;
}

/* Multiplication Dot Array */
.array-grid-container {
  display: inline-block;
  background: #ffffff;
  padding: 16px;
  border: 2px solid #b1b4b6;
  border-radius: 4px;
  margin: 15px 0;
}

.array-grid {
  display: inline-grid;
  gap: 6px;
  padding: 6px;
  background: #f8f8f8;
  border: 1px solid #b1b4b6;
}

.array-dot {
  width: 24px;
  height: 24px;
  background-color: #1d70b8;
  border-radius: 50%;
  display: inline-block;
}

/* Number Line Bridging Visualizer */
.number-line-box {
  background: #ffffff;
  border: 2px solid #b1b4b6;
  padding: 20px;
  margin: 15px 0;
  overflow-x: auto;
}

.number-line-svg {
  width: 100%;
  min-width: 420px;
  height: 90px;
}

/* ==========================================================================
   QUIZ CARDS & CHILD-FRIENDLY INTERFACE
   ========================================================================== */

/* Radio selection chips */
.govuk-radios__items-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.govuk-radio-chip {
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
}

.govuk-radio-chip input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.govuk-radio-chip span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  border: 2px solid #b1b4b6;
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 16px;
  font-weight: 700;
  color: #0b0c0c;
  transition: all 0.15s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.govuk-radio-chip:hover span {
  border-color: #1d70b8;
  background: #eaf3fa;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(29, 112, 184, 0.12);
}

.govuk-radio-chip input[type="radio"]:checked + span {
  background: #1d70b8;
  color: #ffffff;
  border-color: #003078;
  box-shadow: 0 4px 0 #003078;
  transform: translateY(-1px);
}

.quiz-card {
  background: #ffffff;
  border: 3px solid #1d70b8;
  border-radius: 16px;
  padding: 28px 20px;
  margin-bottom: 25px;
  box-shadow: 0 8px 24px rgba(29, 112, 184, 0.1);
  position: relative;
}

.quiz-expression {
  font-size: 50px;
  font-weight: 800;
  color: #003078;
  letter-spacing: 1.5px;
  margin: 15px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.quiz-expression__input {
  font-size: 44px;
  font-weight: 800;
  width: 140px;
  height: 72px;
  text-align: center;
  border: 4px solid #1d70b8;
  border-radius: 12px;
  background: #ffffff;
  color: #003078;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.06);
  transition: all 0.15s;
}

.quiz-expression__input:focus {
  outline: 4px solid #ffdd00;
  border-color: #003078;
  background: #fffdf0;
  transform: scale(1.03);
}

/* Virtual Keypad - Tactile Child-Friendly Calculator */
.app-keypad-wrapper {
  display: block;
}

.app-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 300px;
  margin: 15px auto 0 auto;
}

/* Mobile: Hide virtual keypad so phone's native numeric keyboard handles input smoothly */
@media (max-width: 640px) {
  .app-keypad-wrapper {
    display: none !important;
  }

  .quiz-card {
    padding: 18px 12px !important;
    margin-bottom: 15px !important;
    border-radius: 12px !important;
  }

  .quiz-expression {
    font-size: 32px !important;
    margin: 8px 0 !important;
    gap: 8px !important;
  }

  .quiz-expression__input {
    width: 100px !important;
    height: 52px !important;
    font-size: 28px !important;
    border-width: 3px !important;
    border-radius: 8px !important;
  }

  .app-stats-row {
    gap: 6px !important;
    margin-bottom: 12px !important;
  }

  .app-stat-box {
    min-width: 70px !important;
    padding: 8px 4px !important;
    border-radius: 8px !important;
  }

  .app-stat-box__number {
    font-size: 20px !important;
  }

  .app-stat-box__label {
    font-size: 10px !important;
    margin-top: 2px !important;
  }

  .speech-btn {
    font-size: 13px !important;
    padding: 6px 10px !important;
  }

  #practice-submit-btn, 
  #practice-next-btn {
    font-size: 18px !important;
    padding: 10px 22px !important;
  }

  #practice-visual-btn {
    font-size: 14px !important;
    padding: 8px 14px !important;
  }
}

.app-keypad__button {
  background: #ffffff;
  border: 2px solid #b1b4b6;
  border-radius: 12px;
  box-shadow: 0 4px 0 #b1b4b6;
  font-size: 26px;
  font-weight: 800;
  padding: 12px 0;
  cursor: pointer;
  color: #003078;
  user-select: none;
  transition: all 0.1s ease;
}

.app-keypad__button:hover {
  background: #eaf3fa;
  border-color: #1d70b8;
  box-shadow: 0 5px 0 #1d70b8;
  transform: translateY(-1px);
}

.app-keypad__button:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 #1d70b8;
}

.app-keypad__button--action {
  background: #1d70b8;
  color: #ffffff;
  border-color: #003078;
  box-shadow: 0 4px 0 #003078;
  border-radius: 12px;
}
.app-keypad__button--action:hover {
  background: #003078;
  box-shadow: 0 5px 0 #002255;
}
.app-keypad__button--action:active {
  box-shadow: 0 1px 0 #002255;
}

.app-keypad__button--delete {
  background: #d4351c;
  color: #ffffff;
  border-color: #8a1f0d;
  box-shadow: 0 4px 0 #8a1f0d;
  border-radius: 12px;
}
.app-keypad__button--delete:hover {
  background: #b82d17;
  box-shadow: 0 5px 0 #6e1709;
}
.app-keypad__button--delete:active {
  box-shadow: 0 1px 0 #6e1709;
}

/* Feedback banners with playful bounce */
.feedback-box {
  padding: 16px 20px;
  margin-top: 20px;
  font-size: 20px;
  font-weight: 800;
  border-radius: 12px;
  border-left: 8px solid;
  animation: bounceIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.feedback-box--correct {
  background: #e8f5ec;
  border-left-color: #00703c;
  color: #00703c;
  border: 2px solid #00703c;
}

.feedback-box--incorrect {
  background: #fbebe8;
  border-left-color: #d4351c;
  color: #d4351c;
  border: 2px solid #d4351c;
}

.feedback-box__strategy {
  margin-top: 10px;
  font-size: 16px;
  font-weight: 400;
  color: #0b0c0c;
  background: #ffffff;
  padding: 14px;
  border-radius: 8px;
  border: 1px dashed #b1b4b6;
}

@keyframes bounceIn {
  0% { opacity: 0; transform: scale(0.9); }
  70% { opacity: 1; transform: scale(1.02); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   TIMER / SPEED CHALLENGE & MTC
   ========================================================================== */

.timer-hero {
  background: linear-gradient(135deg, #002d62 0%, #1d70b8 100%);
  color: #ffffff;
  padding: 22px 24px;
  border-radius: 14px;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
  border-bottom: 6px solid #ffdd00;
  box-shadow: 0 6px 16px rgba(0, 45, 98, 0.2);
}

.timer-clock {
  font-size: 52px;
  font-weight: 800;
  font-family: monospace;
  color: #ffdd00;
  display: flex;
  align-items: center;
  gap: 10px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.timer-clock--urgent {
  color: #ff5555 !important;
  animation: pulse 0.5s infinite alternate;
}

@keyframes pulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.1); }
}

.streak-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffdd00;
  color: #0b0c0c;
  padding: 8px 18px;
  border-radius: 24px;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 3px 6px rgba(0,0,0,0.15);
}

.timer-progress-bar {
  width: 100%;
  height: 14px;
  background: rgba(255,255,255,0.25);
  border-radius: 7px;
  margin-top: 12px;
  overflow: hidden;
}

.timer-progress-fill {
  height: 100%;
  background: #00e079;
  border-radius: 7px;
  transition: width 0.2s linear, background-color 0.3s;
}

/* Stars & Medals */
.star-rating {
  font-size: 40px;
  letter-spacing: 5px;
  margin: 10px 0;
  color: #ffdd00;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Sound toggle button & Header Layout Selector */
.sound-toggle {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.4);
  color: #ffffff;
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: background 0.15s ease;
}
.sound-toggle:hover {
  background: rgba(255,255,255,0.3);
}

.header-layout-select {
  background: #ffffff;
  color: #003078;
  border: 2px solid #ffdd00;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  outline: none;
}
.header-layout-select:focus {
  outline: 2px solid #ffdd00;
}

/* ==========================================================================
   FRIENDS OF 10 MIRROR GRIDS (ADDITION & SUBTRACTION)
   ========================================================================== */
.bonds-mirror-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.bonds-mirror-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f8f8f8;
  border: 1px solid #d2d2d2;
  border-left: 5px solid #1d70b8;
  padding: 8px 14px;
  font-size: 17px;
  font-weight: 700;
  transition: all 0.15s;
}

.bonds-mirror-row:hover {
  background: #eaf3fa;
}

.bonds-mirror-row--subtraction {
  border-left-color: #4c2c92;
}

.bonds-mirror-row--subtraction:hover {
  background: #f4effa;
}

.bonds-mirror-row--twins {
  background: #fdf2d0 !important;
  border-left-color: #f47738 !important;
}

.bond-left, .bond-right {
  font-size: 18px;
  font-weight: 800;
  color: #0b0c0c;
}

.bonds-mirror-row--subtraction .bond-left,
.bonds-mirror-row--subtraction .bond-right {
  color: #4c2c92;
}

.bond-arrow {
  font-size: 18px;
  color: #505a5f;
  font-weight: 800;
  padding: 0 8px;
}

/* ==========================================================================
   KS2 CURRICULUM ENHANCEMENTS: VISUALIZERS & LABS
   ========================================================================== */

/* Strategy Navigation Category Headers */
.app-subtabs-group {
  margin-bottom: 20px;
}

.app-subtabs-group-title {
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #505a5f;
  margin: 14px 0 6px 0;
}

/* Place Value Chart */
.pv-chart {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  background: #ffffff;
  border: 2px solid #1d70b8;
  padding: 12px;
  margin: 15px 0;
  text-align: center;
}

.pv-hdr {
  background: #1d70b8;
  color: #ffffff;
  font-weight: 800;
  font-size: 14px;
  padding: 6px 2px;
}

.pv-val {
  font-size: 24px;
  font-weight: 800;
  padding: 10px 0;
  color: #0b0c0c;
  background: #f8f8f8;
}

.pv-arrow {
  font-size: 20px;
  padding: 4px 0;
}

.pv-res {
  font-size: 26px;
  font-weight: 800;
  padding: 10px 0;
  color: #00703c;
  background: #e8f5ec;
}

/* Rounding Rollercoaster */
.rounding-hill-box {
  background: #ffffff;
  border: 2px solid #1d70b8;
  padding: 18px;
  border-radius: 4px;
  margin: 15px 0;
}

.rounding-track {
  position: relative;
  height: 24px;
  background: linear-gradient(90deg, #1d70b8 0%, #d4351c 50%, #00703c 100%);
  border-radius: 12px;
  margin: 25px 0 15px 0;
}

.rounding-ball {
  position: absolute;
  top: -16px;
  transform: translateX(-50%);
  background: #ffffff;
  border: 2px solid #0b0c0c;
  border-radius: 20px;
  padding: 2px 10px;
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

/* Fraction Bar Model */
.fraction-bar-container {
  background: #ffffff;
  border: 2px solid #1d70b8;
  padding: 16px;
  border-radius: 4px;
  margin: 15px 0;
}

.fraction-bar-total-label {
  font-size: 16px;
  font-weight: 800;
  color: #1d70b8;
  margin-bottom: 8px;
  text-align: center;
}

.fraction-bar-strip {
  display: flex;
  height: 50px;
  border: 2px solid #0b0c0c;
  overflow: hidden;
}

.fraction-bar-segment {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8f8f8;
  border-right: 1px dashed #b1b4b6;
  font-size: 18px;
  font-weight: 800;
  color: #505a5f;
}

.fraction-bar-segment:last-child {
  border-right: none;
}

.fraction-bar-segment--shaded {
  background: #28a197 !important;
  color: #ffffff !important;
}

/* Factor Rainbow & Chips */
.factor-pair-chip {
  background: #ffffff;
  border: 2px solid #1d70b8;
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 16px;
}

.fraction-eq-chip {
  background: #ffffff;
  border: 2px solid #00703c;
  border-radius: 4px;
  padding: 8px 14px;
  font-size: 18px;
  font-weight: 800;
  color: #00703c;
}

.fraction-eq-arrow {
  display: flex;
  align-items: center;
  font-weight: 800;
  color: #505a5f;
}

/* Prime Numbers Grid */
.prime-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
  margin: 15px 0;
  background: #ffffff;
  padding: 10px;
  border: 2px solid #b1b4b6;
}

.prime-grid-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8f8f8;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid #e1e0df;
}

.prime-grid-cell--prime {
  background: #ffdd00 !important;
  color: #0b0c0c !important;
  font-weight: 800;
  border: 2px solid #0b0c0c !important;
}

.prime-grid-cell--one {
  background: #e1e0df !important;
  color: #b1b4b6 !important;
  text-decoration: line-through;
}

/* Square Dots Grid */
.sq-grid {
  display: grid;
  gap: 4px;
  margin: 10px 0;
}

.sq-dot {
  width: 14px;
  height: 14px;
  background: #00703c;
  border-radius: 50%;
}

/* Thermometer */
.thermometer-box {
  background: #ffffff;
  border: 2px solid #1d70b8;
  padding: 16px;
  border-radius: 4px;
  margin: 15px 0;
}

.thermometer-scale {
  display: flex;
  justify-content: space-between;
  background: #f8f8f8;
  border: 2px solid #0b0c0c;
  padding: 10px;
  margin-bottom: 12px;
  font-weight: 800;
  font-size: 15px;
}

.temp-mark.pos { color: #d4351c; }
.temp-mark.zero { color: #1d70b8; }
.temp-mark.neg { color: #003078; }

/* Roman Numeral Chips */
.roman-chip {
  background: #f3f2f1;
  border: 2px solid #0b0c0c;
  padding: 6px 12px;
  font-weight: 800;
  font-size: 16px;
}

/* ==========================================================================
   SPEECH READ-ALOUD BUTTON
   ========================================================================== */
.speech-btn {
  background: #f3f9ff;
  border: 2px solid #1d70b8;
  color: #1d70b8;
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 10px;
  vertical-align: middle;
  transition: all 0.15s ease;
}

.speech-btn:hover {
  background: #1d70b8;
  color: #ffffff;
  transform: scale(1.05);
}

/* ==========================================================================
   TRICKY FACTS BUSTER
   ========================================================================== */
.tricky-facts-btn {
  background: #fff8e1;
  border: 2px solid #ffdd00;
  color: #0b0c0c;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 3px 0 #d8b200;
  transition: all 0.15s ease;
}

.tricky-facts-btn:hover {
  background: #ffdd00;
  transform: translateY(-2px);
  box-shadow: 0 5px 0 #b39300;
}

.tricky-badge {
  background: #d4351c;
  color: #ffffff;
  border-radius: 12px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 800;
}

/* ==========================================================================
   TROPHY CABINET & BADGES
   ========================================================================== */
.trophy-toggle-btn {
  background: #ffdd00;
  border: 2px solid #0b0c0c;
  color: #0b0c0c;
  border-radius: 4px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}

.trophy-toggle-btn:hover {
  background: #fadb00;
  transform: scale(1.03);
}

.trophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 15px;
  margin-top: 15px;
}

.trophy-card {
  border: 2px solid #b1b4b6;
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  background: #f8f8f8;
  position: relative;
  transition: all 0.2s ease;
}

.trophy-card--unlocked {
  background: #ffffff;
  border-color: #ffdd00;
  box-shadow: 0 4px 12px rgba(255, 221, 0, 0.25);
}

.trophy-card--unlocked .trophy-icon {
  transform: scale(1.1);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.15));
}

.trophy-card--locked {
  opacity: 0.65;
  filter: grayscale(0.85);
}

.trophy-icon {
  font-size: 42px;
  margin-bottom: 8px;
}

.trophy-title {
  font-size: 16px;
  font-weight: 800;
  color: #0b0c0c;
  margin-bottom: 4px;
}

.trophy-desc {
  font-size: 13px;
  color: #505a5f;
  margin-bottom: 8px;
}

.trophy-status {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.trophy-toast {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #0b0c0c;
  color: #ffffff;
  border-left: 6px solid #ffdd00;
  border-radius: 8px;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 10000;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  animation: slideInUp 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes slideInUp {
  from { transform: translateY(60px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   MODAL OVERLAY (Trophies & Certificate)
   ========================================================================== */
.app-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(11, 12, 12, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  padding: 20px;
}

.app-modal-dialog {
  background: #ffffff;
  border-radius: 8px;
  max-width: 760px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 25px 30px;
  position: relative;
  box-shadow: 0 10px 35px rgba(0,0,0,0.35);
}

.app-modal-close {
  position: absolute;
  top: 15px;
  right: 18px;
  background: transparent;
  border: none;
  font-size: 24px;
  font-weight: 800;
  cursor: pointer;
  color: #505a5f;
}

.app-modal-close:hover {
  color: #0b0c0c;
}

/* ==========================================================================
   PRINTABLE GOLD AWARD CERTIFICATE
   ========================================================================== */
.cert-paper {
  background: #ffffff;
  border: 10px solid #1d70b8;
  outline: 4px solid #ffdd00;
  outline-offset: -16px;
  padding: 40px 30px;
  text-align: center;
  position: relative;
  border-radius: 4px;
  margin: 10px 0;
}

.cert-header {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #1d70b8;
  margin-bottom: 5px;
}

.cert-title {
  font-size: 32px;
  font-weight: 900;
  color: #0b0c0c;
  margin: 10px 0;
}

.cert-sub {
  font-size: 16px;
  color: #505a5f;
  margin-bottom: 20px;
}

.cert-name-input {
  border: none;
  border-bottom: 2px dashed #0b0c0c;
  font-size: 26px;
  font-weight: 800;
  color: #1d70b8;
  text-align: center;
  padding: 6px 15px;
  width: 80%;
  max-width: 420px;
  outline: none;
  margin-bottom: 20px;
}

.cert-badge-box {
  background: #fff8e1;
  border: 2px solid #ffdd00;
  padding: 12px 20px;
  display: inline-block;
  border-radius: 6px;
  margin-bottom: 20px;
}

.cert-footer-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 30px;
  padding: 0 20px;
}

.cert-seal {
  font-size: 48px;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.15));
}

@media print {
  body * {
    visibility: hidden;
  }
  #cert-printable-area, #cert-printable-area * {
    visibility: visible;
  }
  #cert-printable-area {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    padding: 20px;
    background: #ffffff;
  }
  .app-modal-overlay {
    background: #ffffff !important;
  }
  .no-print {
    display: none !important;
  }
}

/* ==========================================================================
   SHARE PROMO CARD & MODAL (100% Privacy Friendly, No External Trackers)
   ========================================================================== */
.home-share-promo-card {
  background: linear-gradient(135deg, #1d70b8 0%, #003078 100%);
  border-radius: 12px;
  padding: 22px 24px;
  margin-top: 25px;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(29, 112, 184, 0.25);
}

.share-copy-box {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.share-link-input {
  flex: 1;
  padding: 10px 14px;
  font-size: 15px;
  border: 2px solid #b1b4b6;
  border-radius: 4px;
  background: #f8f8f8;
  color: #0b0c0c;
  font-family: inherit;
  font-weight: 600;
}

.share-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.share-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 14px 10px;
  background: #ffffff;
  border: 2px solid #b1b4b6;
  border-radius: 8px;
  text-decoration: none;
  color: #0b0c0c;
  transition: all 0.15s ease;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.share-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.12);
  text-decoration: none;
}

.share-card--wa:hover { border-color: #25d366; background: #f0fdf4; color: #166534; }
.share-card--email:hover { border-color: #1d70b8; background: #f0f7fc; color: #003078; }
.share-card--x:hover { border-color: #000000; background: #f5f5f5; color: #000000; }
.share-card--fb:hover { border-color: #1877f2; background: #eff6ff; color: #1e40af; }