/* Styles extracted from teacher_online_gradebook.html */

      .gradebook-hero-proof {
        display: flex;
        justify-content: center;
        width: 100%;
        padding: 0.5rem 0 0.75rem;
      }
      .gradebook-hero-proof__list {
        display: inline-flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
        box-sizing: border-box;
        gap: 0.5rem 0.85rem;
        margin: 0;
        padding: 0.75rem 1.25rem 0.8rem;
        max-width: 100%;
        width: max-content;
        font-size: 0.875rem;
        line-height: 1.5;
        color: #64748b;
        background: #ffffff;
        border: 1px solid rgba(226, 232, 240, 0.95);
        border-radius: 12px;
        box-shadow:
          0 0 0 1px rgba(255, 255, 255, 0.8) inset,
          0 1px 2px rgba(15, 23, 42, 0.05),
          0 4px 16px -8px rgba(15, 23, 42, 0.12);
      }
      .gradebook-hero-proof__stat {
        display: inline-flex;
        align-items: baseline;
        gap: 0.25rem;
        font-weight: 500;
        letter-spacing: -0.015em;
        padding: 0.2rem 0.35rem;
        white-space: nowrap;
      }
      .gradebook-hero-proof__lead {
        font-weight: 700;
        font-variant-numeric: tabular-nums;
        letter-spacing: -0.02em;
        color: #0f172a;
      }
      .gradebook-hero-proof__sep {
        display: none;
        margin: 0;
        flex-shrink: 0;
      }
      @media (min-width: 640px) {
        .gradebook-hero-proof__sep {
          display: inline-block;
          align-self: stretch;
          width: 1px;
          min-height: 1.25rem;
          margin: 0.1rem 0;
          background: #e2e8f0;
          flex-shrink: 0;
        }
      }
      @media (max-width: 639px) {
        .gradebook-hero-proof__list {
          flex-direction: column;
          align-items: stretch;
          width: 100%;
          max-width: min(22rem, 100%);
          row-gap: 0.55rem;
          column-gap: 0;
          padding: 0.85rem 1.1rem 0.9rem;
          border-radius: 12px;
        }
        .gradebook-hero-proof__stat {
          justify-content: center;
          text-align: center;
          white-space: normal;
        }
        .gradebook-hero-proof__sep {
          display: none !important;
        }
      }

  .gb-problem-section__kicker,
  .gb-modes-section__kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    padding: 0.45rem 1rem;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #1d4ed8;
    background: linear-gradient(180deg, #f0f7ff 0%, #e8f1fc 100%);
    border-radius: 9999px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85), 0 1px 2px rgba(29, 78, 216, 0.07);
    border: 1px solid rgba(147, 197, 253, 0.45);
  }
  .gb-problem-card {
    border-radius: 16px;
    border: 1px solid rgba(226, 232, 240, 0.95);
    background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
    padding: 1.5rem 1.5rem 1.75rem;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px -8px rgba(15, 23, 42, 0.08);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  }
  .gb-problem-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 4px 6px -2px rgba(15, 23, 42, 0.05), 0 16px 32px -12px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
  }
  .gb-problem-card__emoji {
    font-size: 1.75rem;
    line-height: 1;
    margin-bottom: 0.875rem;
  }
  .gb-problem-card__title {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #0f172a;
    margin: 0 0 0.625rem;
  }
  .gb-problem-card__body {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: #475569;
  }
  @media (prefers-reduced-motion: reduce) {
    .gb-problem-card:hover { transform: none; }
  }

  .gb-modes-tabs__bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
  }
  .gb-modes-tabs__btn {
    appearance: none;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    color: #475569;
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 0.625rem 1.125rem;
    border-radius: 9999px;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
  }
  .gb-modes-tabs__btn:hover {
    border-color: #cbd5e1;
    background: #f1f5f9;
  }
  .gb-modes-tabs__btn[aria-selected="true"] {
    border-color: #93c5fd;
    background: linear-gradient(180deg, #eff6ff 0%, #dbeafe 100%);
    color: #1d4ed8;
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.12);
  }
  .gb-modes-panel__solo {
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
  }
  .gb-modes-features {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .gb-modes-features--cards {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
  }
  .gb-modes-features--cards li {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    margin: 0;
    padding: 1rem 1.125rem 1rem 1rem;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: #1e293b;
    background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow:
      0 1px 2px rgba(15, 23, 42, 0.04),
      0 4px 12px -4px rgba(15, 23, 42, 0.06);
    border-left: 3px solid #3b82f6;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }
  .gb-modes-features--cards li:hover {
    border-color: #cbd5e1;
    box-shadow:
      0 2px 4px rgba(15, 23, 42, 0.05),
      0 8px 20px -6px rgba(37, 99, 235, 0.08);
  }
  .gb-modes-features--cards .gb-modes-features__check {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    margin-top: 0.05rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    font-size: 0.65rem;
    font-weight: 800;
    color: #1d4ed8;
    background: linear-gradient(145deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid #93c5fd;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  }
  @media (prefers-reduced-motion: reduce) {
    .gb-modes-features--cards li {
      transition: none;
    }
  }

  .gb-data-entry-section__kicker,
  .gb-weighted-section__kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    padding: 0.45rem 1rem;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #1d4ed8;
    background: linear-gradient(180deg, #f0f7ff 0%, #e8f1fc 100%);
    border-radius: 9999px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85), 0 1px 2px rgba(29, 78, 216, 0.07);
    border: 1px solid rgba(147, 197, 253, 0.45);
  }
  .gb-data-card {
    border-radius: 16px;
    border: 1px solid rgba(226, 232, 240, 0.95);
    background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
    padding: 1.5rem 1.5rem 1.75rem;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px -8px rgba(15, 23, 42, 0.08);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  .gb-data-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 4px 6px -2px rgba(15, 23, 42, 0.05), 0 16px 32px -12px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
  }
  .gb-data-card__emoji {
    font-size: 1.75rem;
    line-height: 1;
    margin-bottom: 0.875rem;
  }
  .gb-data-card__title {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #0f172a;
    margin: 0 0 0.625rem;
  }
  .gb-data-card__body {
    margin: 0 0 1rem;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: #475569;
    flex: 1;
  }
  .gb-data-card__best {
    margin: 0;
    padding-top: 0.875rem;
    border-top: 1px solid #e2e8f0;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: #64748b;
  }
  .gb-data-card__best-label {
    font-weight: 600;
    color: #475569;
  }
  @media (prefers-reduced-motion: reduce) {
    .gb-data-card:hover { transform: none; }
  }

  .gb-weighted-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  @media (min-width: 768px) {
    .gb-weighted-row {
      grid-template-columns: repeat(3, 1fr);
      gap: 1.25rem;
      align-items: stretch;
    }
  }
  .gb-weighted-pillar {
    text-align: center;
    padding: 1.5rem 1.25rem;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  }
  .gb-weighted-pillar__icon {
    display: block;
    font-size: 1.5rem;
    line-height: 1;
    margin-bottom: 0.75rem;
  }
  .gb-weighted-pillar__title {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #0f172a;
  }
  .gb-weighted-pillar__meta {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: #334155;
    font-weight: 500;
  }
  .gb-weighted-pillar__body {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.55;
    color: #475569;
  }

  .gb-section-kicker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    padding: 0.45rem 1rem;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #1d4ed8;
    background: linear-gradient(180deg, #f0f7ff 0%, #e8f1fc 100%);
    border-radius: 9999px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85), 0 1px 2px rgba(29, 78, 216, 0.07);
    border: 1px solid rgba(147, 197, 253, 0.45);
  }
  .gb-comments-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: center;
  }
  @media (min-width: 1024px) {
    .gb-comments-split {
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
    }
  }
  .gb-comments-split__copy {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }
  .gb-comments-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.25rem 1.25rem 1rem;
    background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    border-left: 3px solid #3b82f6;
    box-shadow:
      0 1px 2px rgba(15, 23, 42, 0.04),
      0 4px 14px -6px rgba(15, 23, 42, 0.06);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }
  .gb-comments-feature:hover {
    border-color: #cbd5e1;
    box-shadow:
      0 2px 4px rgba(15, 23, 42, 0.05),
      0 10px 24px -10px rgba(37, 99, 235, 0.1);
  }
  .gb-comments-feature__icon-wrap {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(145deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid #93c5fd;
    color: #1d4ed8;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
  }
  .gb-comments-feature__icon {
    width: 1.125rem;
    height: 1.125rem;
  }
  .gb-comments-feature__body {
    flex: 1;
    min-width: 0;
    padding-top: 0.1rem;
  }
  .gb-comments-feature__title {
    margin: 0 0 0.5rem;
    font-size: 1.0625rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.35;
    color: #0f172a;
  }
  .gb-comments-feature__text {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.62;
    color: #64748b;
  }
  @media (prefers-reduced-motion: reduce) {
    .gb-comments-feature {
      transition: none;
    }
  }
  .gb-comments-split__viz {
    position: relative;
    overflow: visible;
  }
  .gb-mini-gb {
    position: relative;
    overflow: visible;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    background: #fff;
    padding: 0.85rem 1rem 1.15rem;
    box-shadow: 0 10px 40px -12px rgba(15, 23, 42, 0.12);
  }
  .gb-mini-gb__label {
    margin: 0 0 0.35rem;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #475569;
  }
  .gb-mini-gb__hint {
    margin: 0 0 0.65rem;
    font-size: 0.75rem;
    color: #475569;
    line-height: 1.4;
  }
  .gb-mini-gb__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
    overflow: visible;
  }
  .gb-mini-gb__th {
    padding: 0.4rem 0.35rem;
    text-align: center;
    color: #475569;
    font-weight: 600;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.75rem;
  }
  .gb-mini-gb__th--student {
    text-align: left;
    width: 26%;
    font-size: 0.625rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #64748b;
  }
  .gb-mini-gb__th--date {
    vertical-align: bottom;
    padding-bottom: 0.35rem;
  }
  .gb-mini-gb__th-date {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.05rem;
    line-height: 1.1;
  }
  .gb-mini-gb__th-month {
    font-size: 0.5625rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #64748b;
  }
  .gb-mini-gb__th-day {
    font-size: 0.875rem;
    font-weight: 700;
    color: #334155;
    font-variant-numeric: tabular-nums;
  }
  .gb-mini-gb__name {
    padding: 0.45rem 0.35rem 0.45rem 0;
    color: #334155;
    font-weight: 500;
    border-bottom: 1px solid #f1f5f9;
    font-size: 0.8125rem;
  }
  .gb-mini-gb__cell {
    text-align: center;
    padding: 0.45rem 0.35rem;
    border-bottom: 1px solid #f1f5f9;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    vertical-align: middle;
  }
  .gb-mini-gb__cell--green { color: #15803d; }
  .gb-mini-gb__cell--yellow { color: #d97706; }
  .gb-mini-gb__cell--red { color: #b91c1c; }
  .gb-mini-gb__cell--has-note {
    position: relative;
    overflow: visible;
  }
  .gb-mini-gb__hit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
  }
  .gb-mini-gb__note-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 9999px;
    background: linear-gradient(180deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1d4ed8;
    border: 1px solid #60a5fa;
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
    flex-shrink: 0;
  }
  .gb-mini-gb__note-icon {
    width: 0.72rem;
    height: 0.72rem;
    display: block;
  }
  .gb-mini-gb__pop {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 12px);
    transform: translateX(-50%) translateY(4px);
    width: max-content;
    max-width: 240px;
    padding: 0.5rem 0.65rem;
    background: #1e293b;
    color: #f8fafc;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1.45;
    text-align: left;
    border-radius: 8px;
    box-shadow: 0 12px 28px -6px rgba(15, 23, 42, 0.35);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 30;
    transition: opacity 0.18s ease, visibility 0.18s ease, transform 0.18s ease;
  }
  .gb-mini-gb__pop::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -7px;
    border: 7px solid transparent;
    border-top-color: #1e293b;
  }
  .gb-mini-gb__cell--has-note:hover .gb-mini-gb__pop,
  .gb-mini-gb__cell--has-note:focus-within .gb-mini-gb__pop {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }

  .gb-report-card {
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    background: linear-gradient(180deg, #fafbfc 0%, #ffffff 100%);
    padding: 1.75rem 1.75rem 2rem;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 12px 32px -12px rgba(15, 23, 42, 0.1);
    height: 100%;
  }
  .gb-report-card__icon {
    font-size: 2rem;
    line-height: 1;
    margin-bottom: 1rem;
  }
  .gb-report-card__title {
    margin: 0 0 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: #0f172a;
    letter-spacing: -0.02em;
  }
  .gb-report-card__lead {
    margin: 0 0 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    color: #1e293b;
    line-height: 1.5;
  }
  .gb-report-card__body {
    margin: 0 0 0.65rem;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: #475569;
  }
  .gb-report-card__foot {
    margin: 1rem 0 0;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.55;
  }

  .gb-parent-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
  }
  @media (min-width: 1024px) {
    .gb-parent-split {
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
    }
  }
  .gb-parent-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
  }
  .gb-parent-steps__item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.125rem 1.25rem;
    background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    box-shadow:
      0 1px 2px rgba(15, 23, 42, 0.04),
      0 4px 16px -8px rgba(15, 23, 42, 0.08);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }
  .gb-parent-steps__item:hover {
    border-color: #cbd5e1;
    box-shadow:
      0 2px 4px rgba(15, 23, 42, 0.05),
      0 12px 28px -12px rgba(37, 99, 235, 0.14);
  }
  .gb-parent-steps__badge {
    flex-shrink: 0;
    width: 2.125rem;
    height: 2.125rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 0.8125rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    color: #1d4ed8;
    background: linear-gradient(145deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid #93c5fd;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
  }
  .gb-parent-steps__body {
    flex: 1;
    min-width: 0;
    padding-top: 0.05rem;
  }
  .gb-parent-steps__title {
    margin: 0 0 0.4rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.35;
    color: #0f172a;
  }
  .gb-parent-steps__text {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.6;
    color: #64748b;
  }
  @media (prefers-reduced-motion: reduce) {
    .gb-parent-steps__item {
      transition: none;
    }
  }
  .gb-parent-preview {
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    background: #fff;
    padding: 1.25rem 1.25rem 1.5rem;
    box-shadow: 0 4px 24px -8px rgba(15, 23, 42, 0.1);
  }
  .gb-parent-preview__title {
    margin: 0 0 1rem;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #64748b;
    text-align: center;
  }
  .gb-parent-preview__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .gb-parent-stat {
    border-radius: 10px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 0.875rem 0.75rem;
    text-align: center;
  }
  .gb-parent-stat__value {
    display: block;
    font-size: 1.375rem;
    font-weight: 700;
    color: #0f172a;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
  }
  .gb-parent-stat__label {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #64748b;
  }
  .gb-parent-preview__hint {
    margin: 1rem 0 0;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: #64748b;
    text-align: center;
  }
  .gb-parent-section__footnote {
    margin: 2.5rem auto 0;
    max-width: 40rem;
    text-align: center;
    font-size: 1rem;
    line-height: 1.6;
    color: #475569;
  }

  section#gradebook-time-savings.gb-timesave-section {
    background: linear-gradient(165deg, #0f172a 0%, #020617 55%, #0c1222 100%);
    color: #f8fafc;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  .gb-timesave-section .max-w-7xl {
    position: relative;
    z-index: 1;
  }

  .gb-timesave-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
  }
  @media (min-width: 1024px) {
    .gb-timesave-split {
      grid-template-columns: 1fr 1.1fr;
      gap: 3.5rem;
      align-items: center;
    }
  }
  .gb-timesave-split__num {
    font-size: clamp(3.5rem, 10vw, 5.5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    color: #ffffff;
  }
  .gb-timesave-split__number {
    margin: 0 0 0.25rem;
  }
  .gb-timesave-split__label {
    margin: 0 0 1.25rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: #e2e8f0;
  }
  .gb-timesave-split__lead {
    margin: 0;
    font-size: 1.0625rem;
    line-height: 1.65;
    color: #e2e8f0;
    max-width: 28rem;
  }
  .gb-timesave-list {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .gb-timesave-list li {
    position: relative;
    padding-left: 1.35rem;
    margin-bottom: 0.85rem;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: #f1f5f9;
  }
  .gb-timesave-list li:last-child { margin-bottom: 0; }
  .gb-timesave-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 7px;
    height: 7px;
    border-radius: 9999px;
    background: #60a5fa;
    box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.35);
  }

      /* #gradebook-features capabilities grid — same cards as #gradebook-progress-stats .gradebook-stat-card */
      .gradebook-cap-strip {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 0;
        padding: 0;
        background: transparent;
        border: none;
        box-shadow: none;
      }
      @media (min-width: 768px) {
        .gradebook-cap-strip {
          grid-template-columns: repeat(2, minmax(0, 1fr));
        }
      }
      @media (min-width: 1200px) {
        .gradebook-cap-strip {
          grid-template-columns: repeat(3, minmax(0, 1fr));
          gap: 1.75rem;
        }
      }
      /* Capabilities: raster SVGs tinted to match tile palette (parent .gradebook-stat-card__icon color) */
      #gradebook-features .gradebook-stat-card__icon .gradebook-stat-card__icon-mask {
        display: block;
        width: 1.25rem;
        height: 1.25rem;
        flex-shrink: 0;
        background-color: currentColor;
        -webkit-mask-size: contain;
        mask-size: contain;
        -webkit-mask-repeat: no-repeat;
        mask-repeat: no-repeat;
        -webkit-mask-position: center;
        mask-position: center;
      }
      #gradebook-features .gradebook-stat-card__icon .stat-icon--grade-calculations {
        -webkit-mask-image: url("/static/icons/grade-calculations-icon.svg");
        mask-image: url("/static/icons/grade-calculations-icon.svg");
      }
      #gradebook-features .gradebook-stat-card__icon .stat-icon--performance-analytics {
        -webkit-mask-image: url("/static/icons/performance-analytics-icon.svg");
        mask-image: url("/static/icons/performance-analytics-icon.svg");
      }
      #gradebook-features .gradebook-stat-card__icon .stat-icon--printable-reports {
        -webkit-mask-image: url("/static/icons/printable-reports-icon.svg");
        mask-image: url("/static/icons/printable-reports-icon.svg");
      }
      #gradebook-features .gradebook-stat-card__icon .stat-icon--mobile {
        -webkit-mask-image: url("/static/icons/mobile-icon.svg");
        mask-image: url("/static/icons/mobile-icon.svg");
      }
      #gradebook-features .gradebook-stat-card__icon .stat-icon--free-plan {
        -webkit-mask-image: url("/static/icons/free-plan-icon.svg");
        mask-image: url("/static/icons/free-plan-icon.svg");
      }
      /* Capabilities strip: hide bottom spark charts only (borders from shared .gradebook-stat-card) */
      #gradebook-features .gradebook-cap-strip .gradebook-stat-card__spark,
      #gradebook-data-safety .gradebook-cap-strip .gradebook-stat-card__spark {
        display: none;
      }

      /* #gradebook-features — section intro (kicker matches .gb-section-kicker / stat section) */
      #gradebook-features .gradebook-features__intro {
        text-align: center;
        max-width: 42rem;
        margin: 0 auto 3rem;
      }
      @media (min-width: 768px) {
        #gradebook-features .gradebook-features__intro {
          margin-bottom: 3.5rem;
        }
      }
      #gradebook-features .gradebook-features__kicker {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin: 0 0 1rem;
        padding: 0.45rem 1rem;
        font-size: 0.6875rem;
        font-weight: 600;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: #1d4ed8;
        background: linear-gradient(180deg, #f0f7ff 0%, #e8f1fc 100%);
        border-radius: 9999px;
        border: 1px solid rgba(147, 197, 253, 0.45);
        box-shadow:
          inset 0 1px 0 rgba(255, 255, 255, 0.85),
          0 1px 2px rgba(29, 78, 216, 0.07);
      }
      #gradebook-features .gradebook-features__title {
        margin: 0 0 0.875rem;
        font-size: clamp(1.75rem, 4.2vw, 2.375rem);
        font-weight: 600;
        letter-spacing: -0.03em;
        line-height: 1.2;
        color: #0f172a;
      }
      #gradebook-features .gradebook-features__lead {
        margin: 0 auto;
        font-size: 1rem;
        line-height: 1.65;
        color: #64748b;
        max-width: 36rem;
      }
      @media (min-width: 768px) {
        #gradebook-features .gradebook-features__lead {
          font-size: 1.0625rem;
          line-height: 1.7;
        }
      }

      .gradebook-stat-section__kicker {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1rem;
        padding: 0.45rem 1rem;
        font-size: 0.6875rem;
        font-weight: 600;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: #1d4ed8;
        background: linear-gradient(180deg, #f0f7ff 0%, #e8f1fc 100%);
        border-radius: 9999px;
        box-shadow:
          inset 0 1px 0 rgba(255, 255, 255, 0.85),
          0 1px 2px rgba(29, 78, 216, 0.07);
        border: 1px solid rgba(147, 197, 253, 0.45);
      }

      .gradebook-stat-section .gradebook-stat-card,
      #gradebook-features .gradebook-stat-card,
      #gradebook-data-safety .gradebook-stat-card {
        position: relative;
        display: flex;
        flex-direction: column;
        height: 100%;
        border-radius: 16px;
        border: 1px solid rgba(226, 232, 240, 0.95);
        background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
        padding: 1.75rem 1.5rem 1.5rem;
        padding-top: 2rem;
        box-shadow:
          0 1px 2px rgba(15, 23, 42, 0.04),
          0 8px 24px -8px rgba(15, 23, 42, 0.08);
        transition:
          border-color 0.25s ease,
          box-shadow 0.25s ease,
          transform 0.25s ease;
      }

      .gradebook-stat-section .gradebook-stat-card:hover,
      #gradebook-features .gradebook-stat-card:hover,
      #gradebook-data-safety .gradebook-stat-card:hover {
        border-color: #cbd5e1;
        box-shadow:
          0 4px 6px -2px rgba(15, 23, 42, 0.05),
          0 16px 32px -12px rgba(37, 99, 235, 0.12);
        transform: translateY(-3px);
      }

      .gradebook-stat-card__badge {
        position: absolute;
        top: -0.7rem;
        left: 1.25rem;
        margin: 0;
        padding: 0.35rem 0.75rem;
        font-size: 0.6875rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        border-radius: 9999px;
        border: 1px solid transparent;
        box-shadow:
          inset 0 1px 0 rgba(255, 255, 255, 0.9),
          0 1px 2px rgba(15, 23, 42, 0.06);
      }

      .gradebook-stat-card--grades .gradebook-stat-card__badge {
        color: #15803d;
        background: linear-gradient(180deg, #f0fdf4 0%, #ecfdf5 100%);
        border-color: rgba(134, 239, 172, 0.85);
      }
      .gradebook-stat-card--attendance .gradebook-stat-card__badge {
        color: #1d4ed8;
        background: linear-gradient(180deg, #eff6ff 0%, #f0f7ff 100%);
        border-color: rgba(147, 197, 253, 0.65);
      }
      .gradebook-stat-card--efficiency .gradebook-stat-card__badge {
        color: #4338ca;
        background: linear-gradient(180deg, #eef2ff 0%, #f5f3ff 100%);
        border-color: rgba(165, 180, 252, 0.75);
      }
      .gradebook-stat-card--behavior .gradebook-stat-card__badge {
        color: #b45309;
        background: linear-gradient(180deg, #fffbeb 0%, #fff7ed 100%);
        border-color: rgba(253, 186, 116, 0.85);
      }

      .gradebook-stat-section .gradebook-stat-card__icon,
      #gradebook-features .gradebook-stat-card__icon,
      #gradebook-data-safety .gradebook-stat-card__icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 2.75rem;
        height: 2.75rem;
        margin-bottom: 1rem;
        border-radius: 12px;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
        border-width: 1px;
        border-style: solid;
        /* border-color comes from .gradebook-stat-card--* .gradebook-stat-card__icon (avoid shorthand transparent overriding tint) */
      }

      .gradebook-stat-card--grades .gradebook-stat-card__icon {
        color: #16a34a;
        background: linear-gradient(145deg, #ecfdf5 0%, #f8fafc 100%);
        border-color: rgba(134, 239, 172, 0.55);
      }
      .gradebook-stat-card--attendance .gradebook-stat-card__icon {
        color: #2563eb;
        background: linear-gradient(145deg, #eff6ff 0%, #f8fafc 100%);
        border-color: rgba(191, 219, 254, 0.65);
      }
      .gradebook-stat-card--efficiency .gradebook-stat-card__icon {
        color: #4f46e5;
        background: linear-gradient(145deg, #eef2ff 0%, #f8fafc 100%);
        border-color: rgba(165, 180, 252, 0.55);
      }
      .gradebook-stat-card--behavior .gradebook-stat-card__icon {
        color: #d97706;
        background: linear-gradient(145deg, #fffbeb 0%, #f8fafc 100%);
        border-color: rgba(253, 186, 116, 0.6);
      }

      .gradebook-stat-section .gradebook-stat-card:hover .gradebook-stat-card__icon,
      #gradebook-features .gradebook-stat-card:hover .gradebook-stat-card__icon,
      #gradebook-data-safety .gradebook-stat-card:hover .gradebook-stat-card__icon {
        filter: brightness(0.98);
      }

      .gradebook-stat-card__icon-svg {
        width: 1.25rem;
        height: 1.25rem;
        flex-shrink: 0;
      }

      .gradebook-stat-card__metric {
        margin: 0 0 0.35rem;
        display: flex;
        align-items: baseline;
        gap: 0.15rem;
        line-height: 1;
      }

      .gradebook-stat-card__value,
      .gradebook-stat-card__value-static {
        font-size: clamp(2.25rem, 5vw, 3rem);
        font-weight: 700;
        letter-spacing: -0.03em;
        line-height: 1;
      }

      .gradebook-stat-card__suffix {
        font-size: 1.5rem;
        font-weight: 700;
        letter-spacing: -0.02em;
        color: #0f172a;
      }

      .gradebook-stat-card__title {
        margin: 0 0 0.5rem;
        font-size: 0.9375rem;
        font-weight: 600;
        letter-spacing: -0.01em;
        line-height: 1.35;
        color: #0f172a;
      }

      .gradebook-stat-card--behavior .gradebook-stat-card__title--accent {
        color: #b45309;
      }

      .gradebook-stat-card__body {
        margin: 0 0 0.75rem;
        font-size: 0.9375rem;
        line-height: 1.6;
        color: #475569;
        flex-grow: 1;
      }

      .gradebook-stat-card__spark {
        margin-top: auto;
        display: block;
        flex-shrink: 0;
        width: 100%;
        max-width: 128px;
        height: auto;
        overflow: visible;
      }

      .gradebook-stat-card__spark-fill {
        fill: currentColor;
        opacity: 0.14;
      }

      .gradebook-stat-card__spark-stroke {
        stroke: currentColor;
        stroke-width: 2.25;
        stroke-linecap: round;
        stroke-linejoin: round;
        vector-effect: non-scaling-stroke;
      }

      .gradebook-stat-card__spark-dot {
        fill: currentColor;
        stroke: #fff;
        stroke-width: 1.5;
      }

      .gradebook-stat-card--grades .gradebook-stat-card__spark { color: #16a34a; }
      .gradebook-stat-card--attendance .gradebook-stat-card__spark { color: #2563eb; }
      .gradebook-stat-card--efficiency .gradebook-stat-card__spark { color: #4f46e5; }
      .gradebook-stat-card--behavior .gradebook-stat-card__spark { color: #f59e0b; }

      @media (max-width: 768px) {
        .gradebook-stat-section .gradebook-stat-card,
        #gradebook-features .gradebook-stat-card,
        #gradebook-data-safety .gradebook-stat-card {
          padding: 1.6rem 1.35rem 1.35rem;
          padding-top: 1.85rem;
        }
      }

      @media (prefers-reduced-motion: reduce) {
        .gradebook-stat-section .gradebook-stat-card:hover,
        #gradebook-features .gradebook-stat-card:hover,
        #gradebook-data-safety .gradebook-stat-card:hover {
          transform: none;
        }
      }

      .gradebook-testimonials-section__kicker {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1rem;
        padding: 0.45rem 1rem;
        font-size: 0.6875rem;
        font-weight: 600;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: #1d4ed8;
        background: linear-gradient(180deg, #f0f7ff 0%, #e8f1fc 100%);
        border-radius: 9999px;
        box-shadow:
          inset 0 1px 0 rgba(255, 255, 255, 0.85),
          0 1px 2px rgba(29, 78, 216, 0.07);
        border: 1px solid rgba(147, 197, 253, 0.45);
      }

      .gradebook-testimonials-section .gradebook-testimonial-card {
        display: flex;
        flex-direction: column;
        height: 100%;
        margin: 0;
        border-radius: 16px;
        border: 1px solid rgba(226, 232, 240, 0.95);
        background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
        padding: 1.75rem 1.75rem 1.5rem;
        box-shadow:
          0 1px 2px rgba(15, 23, 42, 0.04),
          0 8px 24px -8px rgba(15, 23, 42, 0.08);
        transition:
          border-color 0.25s ease,
          box-shadow 0.25s ease,
          transform 0.25s ease;
      }

      .gradebook-testimonials-section .gradebook-testimonial-card:hover {
        border-color: #cbd5e1;
        box-shadow:
          0 4px 6px -2px rgba(15, 23, 42, 0.05),
          0 16px 32px -12px rgba(37, 99, 235, 0.12);
        transform: translateY(-3px);
      }

      .gradebook-testimonial-card__stars {
        display: flex;
        align-items: center;
        gap: 0.2rem;
        margin-bottom: 1rem;
        color: #f59e0b;
      }

      .gradebook-testimonial-card__quote {
        margin: 0 0 1.25rem;
        padding: 0 0 0 0.875rem;
        border-left: 3px solid rgba(37, 99, 235, 0.35);
      }

      .gradebook-testimonial-card__quote p {
        margin: 0;
        font-size: 0.9375rem;
        line-height: 1.65;
        color: #475569;
        font-style: italic;
      }

      .gradebook-testimonial-card__footer {
        display: flex;
        align-items: center;
        gap: 0.875rem;
        margin-top: auto;
        padding-top: 1rem;
        border-top: 1px solid rgba(226, 232, 240, 0.9);
      }

      .gradebook-testimonial-card__avatar {
        flex-shrink: 0;
        width: 2.75rem;
        height: 2.75rem;
        border-radius: 9999px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.75rem;
        font-weight: 700;
        letter-spacing: 0.02em;
        border: 1px solid rgba(255, 255, 255, 0.9);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
      }

      .gradebook-testimonial-card__avatar--blue {
        color: #1d4ed8;
        background: linear-gradient(145deg, #dbeafe 0%, #eff6ff 100%);
        border-color: rgba(147, 197, 253, 0.55);
      }
      .gradebook-testimonial-card__avatar--green {
        color: #15803d;
        background: linear-gradient(145deg, #bbf7d0 0%, #ecfdf5 100%);
        border-color: rgba(134, 239, 172, 0.55);
      }
      .gradebook-testimonial-card__avatar--violet {
        color: #6d28d9;
        background: linear-gradient(145deg, #ddd6fe 0%, #f5f3ff 100%);
        border-color: rgba(196, 181, 253, 0.55);
      }

      .gradebook-testimonial-card__meta {
        min-width: 0;
      }

      .gradebook-testimonial-card__name {
        display: block;
        font-size: 0.9375rem;
        font-weight: 600;
        font-style: normal;
        color: #0f172a;
        letter-spacing: -0.02em;
        line-height: 1.3;
      }

      .gradebook-testimonial-card__role {
        margin: 0.2rem 0 0;
        font-size: 0.8125rem;
        line-height: 1.4;
        color: #64748b;
      }

      @media (max-width: 768px) {
        .gradebook-testimonials-section .gradebook-testimonial-card {
          padding: 1.5rem 1.5rem 1.35rem;
        }
      }

      @media (prefers-reduced-motion: reduce) {
        .gradebook-testimonials-section .gradebook-testimonial-card:hover {
          transform: none;
        }
      }

      .gradebook-compare-section__kicker {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1rem;
        padding: 0.45rem 1rem;
        font-size: 0.6875rem;
        font-weight: 600;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: #1d4ed8;
        background: linear-gradient(180deg, #f0f7ff 0%, #e8f1fc 100%);
        border-radius: 9999px;
        box-shadow:
          inset 0 1px 0 rgba(255, 255, 255, 0.85),
          0 1px 2px rgba(29, 78, 216, 0.07);
        border: 1px solid rgba(147, 197, 253, 0.45);
      }

      .gradebook-compare-scroll {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin-left: -1.5rem;
        margin-right: -1.5rem;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
        padding-bottom: 0.25rem;
      }
      @media (min-width: 768px) {
        .gradebook-compare-scroll {
          margin-left: 0;
          margin-right: 0;
          padding-left: 0;
          padding-right: 0;
        }
      }

      .gradebook-compare-shell {
        border-radius: 16px;
        border: 1px solid rgba(226, 232, 240, 0.95);
        background: #fff;
        box-shadow:
          0 1px 2px rgba(15, 23, 42, 0.04),
          0 12px 40px -16px rgba(15, 23, 42, 0.12);
        overflow: hidden;
      }

      .gradebook-compare-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 0.875rem;
        font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
      }
      .gradebook-compare-table--triple {
        min-width: 52rem;
      }

      .gradebook-compare-table__th {
        padding: 1rem 1rem;
        text-align: left;
        font-weight: 600;
        font-size: 0.6875rem;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: #64748b;
        border-bottom: 1px solid rgba(226, 232, 240, 0.95);
        vertical-align: middle;
      }
      .gradebook-compare-table__th--paper,
      .gradebook-compare-table__th--digital,
      .gradebook-compare-table__th--sheet {
        text-align: center;
      }
      .gradebook-compare-table__th--feature {
        background: #f8fafc;
        width: 26%;
        min-width: 11rem;
      }
      .gradebook-compare-table__th--digital {
        background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 100%);
        color: #0f172a;
        border-left: 1px solid #e2e8f0;
        box-shadow: inset 0 0 0 1px rgba(59, 130, 246, 0.08);
      }
      /* Spreadsheets + Paper: neutral — no tinted header bg (Lekktura column keeps blue accent) */
      .gradebook-compare-table__th--sheet,
      .gradebook-compare-table__th--paper {
        background: #ffffff;
        color: #64748b;
        border-left: 1px solid #e5e7eb;
        box-shadow: none;
      }

      .gradebook-compare-table__th-inner {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        font-size: 1rem;
        letter-spacing: -0.02em;
        text-transform: none;
        font-weight: 700;
      }
      .gradebook-compare-table__th-icon {
        width: 1.35rem;
        height: 1.35rem;
        flex-shrink: 0;
        color: #64748b;
      }
      .gradebook-compare-table__th-icon--brand {
        color: #2563eb;
      }

      .gradebook-compare-table__td {
        padding: 1.125rem 1.25rem;
        vertical-align: top;
        border-bottom: 1px solid rgba(241, 245, 249, 0.95);
      }
      .gradebook-compare-table tbody tr:last-child .gradebook-compare-table__td {
        border-bottom: none;
      }
      .gradebook-compare-table tbody tr:nth-child(even) .gradebook-compare-table__td {
        background: rgba(248, 250, 252, 0.85);
      }
      .gradebook-compare-table tbody tr:nth-child(even) .gradebook-compare-table__td--digital {
        background: linear-gradient(180deg, rgba(239, 246, 255, 0.72) 0%, rgba(248, 250, 252, 0.92) 100%);
      }
      .gradebook-compare-table__td--digital {
        text-align: center;
        border-left: 1px solid #f1f5f9;
        background: linear-gradient(180deg, rgba(239, 246, 255, 0.45) 0%, rgba(248, 250, 252, 0.5) 100%);
      }
      .gradebook-compare-table__td--sheet,
      .gradebook-compare-table__td--paper {
        text-align: center;
        border-left: 1px solid #e5e7eb;
        background: transparent;
      }

      .gradebook-compare-table__feature-txt {
        display: block;
        font-weight: 600;
        color: #0f172a;
        letter-spacing: -0.02em;
        line-height: 1.45;
        font-size: 0.9375rem;
      }

      .gradebook-compare-table__lek {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.35rem;
        font-weight: 600;
        color: #0f172a;
      }
      .gradebook-compare-table__lek svg {
        width: 1rem;
        height: 1rem;
        flex-shrink: 0;
        color: #16a34a;
      }

      .gradebook-compare-table__neutral {
        color: #475569;
        font-weight: 500;
        line-height: 1.45;
      }

      .gradebook-compare-table__warn {
        color: #b45309;
        font-weight: 600;
      }

      .gradebook-compare-table__neg {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.35rem;
        color: #64748b;
        font-weight: 500;
      }
      .gradebook-compare-table__neg svg {
        width: 0.9rem;
        height: 0.9rem;
        flex-shrink: 0;
        color: #f87171;
      }

      .gradebook-compare-table__ok-secondary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.35rem;
        font-weight: 600;
        color: #0f172a;
      }
      .gradebook-compare-table__ok-secondary svg {
        width: 1rem;
        height: 1rem;
        color: #2563eb;
      }

      .gradebook-compare-table__feature {
        display: flex;
        align-items: center;
        gap: 0.625rem;
        font-weight: 600;
        color: #0f172a;
        letter-spacing: -0.02em;
      }
      .gradebook-compare-table__feature-icon {
        width: 1.25rem;
        height: 1.25rem;
        flex-shrink: 0;
        color: #2563eb;
      }

      .gradebook-compare-table__verdict {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
        font-weight: 600;
      }
      .gradebook-compare-table__verdict svg {
        width: 1.125rem;
        height: 1.125rem;
        flex-shrink: 0;
      }
      .gradebook-compare-table__verdict--bad {
        color: #475569;
      }
      .gradebook-compare-table__verdict--bad svg {
        color: #94a3b8;
      }
      .gradebook-compare-table__verdict--good {
        color: #0f172a;
      }
      .gradebook-compare-table__verdict--good svg {
        color: #2563eb;
      }

      .gradebook-compare-table__hint {
        margin: 0.45rem 0 0;
        font-size: 0.8125rem;
        line-height: 1.45;
        color: #64748b;
      }

      /* Traditional vs SIS / paper overview table (3 columns, prose cells) */
      .gb-traditional-compare .gradebook-compare-table__td--digital {
        text-align: left;
      }
      .gb-traditional-compare .gradebook-compare-table__td--digital .gradebook-compare-table__lek {
        display: flex;
        align-items: flex-start;
        justify-content: flex-start;
        text-align: left;
        line-height: 1.55;
      }
      .gb-traditional-compare .gradebook-compare-table__td--digital .gradebook-compare-table__lek svg {
        margin-top: 0.2rem;
        flex-shrink: 0;
      }

      .gb-traditional-compare__grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 3rem;
      }
      @media (min-width: 768px) {
        .gb-traditional-compare__grid {
          grid-template-columns: repeat(2, minmax(0, 1fr));
          gap: 1.5rem 2rem;
          margin-bottom: 3.5rem;
        }
      }

      .gb-traditional-compare__card {
        display: flex;
        flex-direction: column;
        height: 100%;
        padding: 1.5rem 1.5rem 1.5rem;
        border-radius: 16px;
        border: 1px solid rgba(226, 232, 240, 0.95);
        background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
        box-shadow:
          0 1px 2px rgba(15, 23, 42, 0.04),
          0 12px 36px -18px rgba(15, 23, 42, 0.12);
        transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
      }
      .gb-traditional-compare__card:hover {
        border-color: #cbd5e1;
        box-shadow:
          0 4px 12px -4px rgba(15, 23, 42, 0.06),
          0 20px 44px -20px rgba(37, 99, 235, 0.14);
        transform: translateY(-2px);
      }

      .gb-traditional-compare__card-top {
        display: flex;
        align-items: flex-start;
        gap: 0.875rem;
        margin-bottom: 1rem;
      }

      .gb-traditional-compare__card-title {
        margin: 0.15rem 0 0;
        font-size: 1.0625rem;
        font-weight: 600;
        letter-spacing: -0.02em;
        line-height: 1.35;
        color: #0f172a;
      }

      .gb-traditional-compare__icon {
        width: 2.75rem;
        height: 2.75rem;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
      }
      .gb-traditional-compare__icon svg {
        width: 1.375rem;
        height: 1.375rem;
      }
      .gb-traditional-compare__icon--blue {
        color: #2563eb;
        background: linear-gradient(145deg, #eff6ff 0%, #dbeafe 100%);
        border: 1px solid rgba(147, 197, 253, 0.9);
      }
      .gb-traditional-compare__icon--violet {
        color: #6d28d9;
        background: linear-gradient(145deg, #f5f3ff 0%, #ede9fe 100%);
        border: 1px solid rgba(196, 181, 253, 0.85);
      }
      .gb-traditional-compare__icon--amber {
        color: #d97706;
        background: linear-gradient(145deg, #fffbeb 0%, #fef3c7 100%);
        border: 1px solid rgba(252, 211, 77, 0.85);
      }
      .gb-traditional-compare__icon--emerald {
        color: #059669;
        background: linear-gradient(145deg, #ecfdf5 0%, #d1fae5 100%);
        border: 1px solid rgba(110, 231, 183, 0.85);
      }

      .gb-traditional-compare__list {
        margin: 0;
        padding: 0;
        list-style: none;
      }
      .gb-traditional-compare__list li {
        position: relative;
        padding-left: 1.125rem;
        margin-bottom: 0.625rem;
        font-size: 0.9375rem;
        line-height: 1.6;
        color: #64748b;
      }
      .gb-traditional-compare__list li:last-child {
        margin-bottom: 0;
      }
      .gb-traditional-compare__card--blue .gb-traditional-compare__list li::before {
        background: #2563eb;
      }
      .gb-traditional-compare__card--violet .gb-traditional-compare__list li::before {
        background: #7c3aed;
      }
      .gb-traditional-compare__card--amber .gb-traditional-compare__list li::before {
        background: #d97706;
      }
      .gb-traditional-compare__card--emerald .gb-traditional-compare__list li::before {
        background: #059669;
      }
      .gb-traditional-compare__list li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 0.55rem;
        width: 0.35rem;
        height: 0.35rem;
        border-radius: 9999px;
        background: #94a3b8;
      }

      @media (prefers-reduced-motion: reduce) {
        .gb-traditional-compare__card {
          transition: none;
        }
        .gb-traditional-compare__card:hover {
          transform: none;
        }
      }

      .gradebook-compare-cta {
        max-width: 40rem;
        margin-left: auto;
        margin-right: auto;
        padding: 2rem 1.75rem;
        border-radius: 16px;
        border: 1px solid rgba(191, 219, 254, 0.85);
        background: linear-gradient(145deg, #eff6ff 0%, #f8fafc 55%, #eef2ff 100%);
        box-shadow:
          0 1px 2px rgba(15, 23, 42, 0.05),
          0 12px 32px -12px rgba(37, 99, 235, 0.15);
      }
      .gradebook-compare-cta__title {
        margin: 0 0 0.5rem;
        font-size: 1.375rem;
        font-weight: 600;
        letter-spacing: -0.02em;
        color: #0f172a;
      }
      .gradebook-compare-cta__lead {
        margin: 0 0 1.5rem;
        font-size: 0.9375rem;
        line-height: 1.6;
        color: #475569;
      }
      .gradebook-compare-cta__actions {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        justify-content: center;
        align-items: center;
      }
      @media (min-width: 640px) {
        .gradebook-compare-cta__actions {
          flex-direction: row;
        }
      }
      .gradebook-compare-cta__btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.65rem 1.75rem;
        font-size: 0.9375rem;
        font-weight: 600;
        border-radius: 10px;
        text-decoration: none;
        transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
      }
      .gradebook-compare-cta__btn--primary {
        background: #2563eb;
        color: #fff;
        box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
      }
      .gradebook-compare-cta__btn--primary:hover {
        background: #1d4ed8;
      }
      .gradebook-compare-cta__btn--secondary {
        background: #fff;
        color: #334155;
        border: 1px solid rgba(203, 213, 225, 0.95);
      }
      .gradebook-compare-cta__btn--secondary:hover {
        background: #f8fafc;
        border-color: #cbd5e1;
      }
      .gradebook-compare-cta__btn:focus-visible {
        outline: 2px solid #2563eb;
        outline-offset: 2px;
      }

      @media (max-width: 767px) {
        .gradebook-compare-table { font-size: 0.875rem; }
      }

      .gb-how-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.25rem;
      }
      @media (min-width: 768px) {
        .gb-how-grid {
          grid-template-columns: repeat(2, minmax(0, 1fr));
          gap: 1.5rem;
          align-items: stretch;
        }
      }
      @media (min-width: 1024px) {
        .gb-how-grid {
          grid-template-columns: repeat(4, minmax(0, 1fr));
          gap: 1.25rem;
        }
      }
      .gb-how-start-footnote {
        margin: 1.5rem auto 0;
        max-width: 40rem;
        text-align: center;
        font-size: 0.8125rem;
        line-height: 1.55;
        color: #64748b;
      }
      .gb-how-step {
        display: flex;
        flex-direction: column;
        height: 100%;
        text-align: left;
        padding: 1.5rem 1.5rem 1.625rem;
        border-radius: 16px;
        background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
        border: 1px solid rgba(226, 232, 240, 0.85);
        box-shadow:
          0 1px 2px rgba(15, 23, 42, 0.04),
          0 12px 36px -18px rgba(15, 23, 42, 0.14);
        transition: border-color 0.2s ease, box-shadow 0.2s ease;
      }
      .gb-how-step:hover {
        border-color: #cbd5e1;
        box-shadow:
          0 2px 6px rgba(15, 23, 42, 0.05),
          0 20px 44px -20px rgba(37, 99, 235, 0.18);
      }
      .gb-how-step__meta {
        display: flex;
        flex-direction: row-reverse;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 1.125rem;
      }
      .gb-how-step__num {
        font-size: 0.6875rem;
        font-weight: 800;
        letter-spacing: 0.14em;
        color: #94a3b8;
        font-variant-numeric: tabular-nums;
      }
      .gb-how-step__icon {
        width: 3rem;
        height: 3rem;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
      }
      .gb-how-step__icon .material-icons {
        font-size: 1.625rem;
        line-height: 1;
      }
      .gb-how-step__icon--blue {
        color: #2563eb;
        background: linear-gradient(145deg, #eff6ff 0%, #dbeafe 100%);
        border: 1px solid rgba(147, 197, 253, 0.9);
      }
      .gb-how-step__icon--green {
        color: #16a34a;
        background: linear-gradient(145deg, #f0fdf4 0%, #dcfce7 100%);
        border: 1px solid rgba(134, 239, 172, 0.95);
      }
      .gb-how-step__icon--amber {
        color: #d97706;
        background: linear-gradient(145deg, #fffbeb 0%, #fef3c7 100%);
        border: 1px solid rgba(252, 211, 77, 0.85);
      }
      .gb-how-step__title {
        margin: 0 0 0.625rem;
        font-size: 1.125rem;
        font-weight: 600;
        letter-spacing: -0.02em;
        line-height: 1.35;
        color: #0f172a;
      }
      .gb-how-step__text {
        margin: 0;
        font-size: 0.9375rem;
        line-height: 1.65;
        color: #64748b;
        flex: 1 1 auto;
      }
      @media (prefers-reduced-motion: reduce) {
        .gb-how-step { transition: none; }
      }

/* New additions aligned with existing gradebook design language */
.gb-breadcrumb {
  display: flex;
  justify-content: center;
  width: 100%;
}
.gb-breadcrumb__list {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0.6rem 0.9rem;
  border: 1px solid #e2e8f0;
  border-radius: 9999px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.gb-breadcrumb__link {
  color: #64748b;
  font-weight: 500;
  transition: color 0.2s ease;
}
.gb-breadcrumb__current {
  color: #0f172a;
}
.gb-breadcrumb__sep {
  color: #94a3b8;
}

/* In-page TOC: custom dropdown panel (readable groups, scroll, not native select) */
.gb-toc {
  position: relative;
  margin: 0 auto;
  padding: 0 0 1.25rem;
  max-width: 64rem;
  width: 100%;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  border-bottom: 1px solid #e2e8f0;
  text-align: center;
}
.gb-toc__control {
  max-width: 22rem;
  margin: 0 auto;
  text-align: left;
}
.gb-toc__select-label {
  display: block;
  margin: 0 0 0.35rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: #64748b;
}
.gb-toc__dropdown {
  position: relative;
  z-index: 60;
}
.gb-toc__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0.55rem 0.65rem 0.55rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.4;
  text-align: left;
  color: #94a3b8;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}
.gb-toc__trigger:hover {
  border-color: #cbd5e1;
  color: #64748b;
}
.gb-toc__trigger:focus {
  outline: none;
  border-color: #93c5fd;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}
.gb-toc__trigger[aria-expanded="true"] {
  border-color: #93c5fd;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}
.gb-toc__trigger-text {
  flex: 1;
  min-width: 0;
}
.gb-toc__trigger-chevron {
  display: flex;
  flex-shrink: 0;
  color: #94a3b8;
  transition: transform 0.2s ease;
}
.gb-toc__trigger[aria-expanded="true"] .gb-toc__trigger-chevron {
  transform: rotate(180deg);
  color: #64748b;
}
.gb-toc__panel {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 0.35rem);
  box-sizing: border-box;
  padding: 0;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow:
    0 4px 6px -1px rgba(15, 23, 42, 0.08),
    0 16px 40px -12px rgba(15, 23, 42, 0.18);
}
.gb-toc__panel-scroll {
  max-height: min(70vh, 22rem);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.5rem 0;
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}
.gb-toc__group {
  padding: 0.35rem 0 0.65rem;
}
.gb-toc__group:last-child {
  padding-bottom: 0.35rem;
}
.gb-toc__group-title {
  margin: 0;
  padding: 0.35rem 1rem 0.4rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #94a3b8;
}
.gb-toc__menu {
  list-style: none;
  margin: 0;
  padding: 0;
}
.gb-toc__menu li {
  margin: 0;
  padding: 0;
}
.gb-toc__link {
  display: block;
  padding: 0.45rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.35;
  color: #334155;
  text-decoration: none;
  border-radius: 0;
  transition: background 0.12s ease, color 0.12s ease;
}
.gb-toc__link:hover {
  background: #f1f5f9;
  color: #0f172a;
}
.gb-toc__link:focus-visible {
  outline: none;
  background: #eff6ff;
  color: #1d4ed8;
  box-shadow: inset 0 0 0 2px #93c5fd;
}
@media (prefers-reduced-motion: reduce) {
  .gb-toc__trigger,
  .gb-toc__trigger-chevron,
  .gb-toc__link {
    transition: none;
  }
}

.gb-inline-cta {
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.gb-inline-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -10px rgba(37, 99, 235, 0.5);
}
.gb-inline-text-link {
  text-decoration: underline;
  text-decoration-color: rgba(37, 99, 235, 0.3);
  text-underline-offset: 2px;
}

.gb-last-updated {
  margin-top: 1.5rem;
  margin-bottom: 0;
  letter-spacing: 0.01em;
}

      .gb-audience-badges {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: stretch;
        gap: 1rem;
      }
      .gb-audience-badge {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.875rem;
        flex: 1 1 100%;
        max-width: 100%;
        min-height: 100%;
        padding: 1.25rem 1.25rem 1.35rem;
        border-radius: 16px;
        background: #ffffff;
        border: 1px solid rgba(226, 232, 240, 0.95);
        box-shadow:
          0 1px 2px rgba(15, 23, 42, 0.04),
          0 12px 32px -16px rgba(15, 23, 42, 0.12);
        transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
      }
      .gb-audience-badge:hover {
        border-color: #cbd5e1;
        box-shadow:
          0 4px 8px -2px rgba(15, 23, 42, 0.06),
          0 20px 40px -20px rgba(37, 99, 235, 0.12);
        transform: translateY(-2px);
      }
      .gb-audience-badge__icon-wrap {
        flex-shrink: 0;
        width: 2.75rem;
        height: 2.75rem;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 100%);
        border: 1px solid rgba(226, 232, 240, 0.95);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
      }
      .gb-audience-badge__emoji {
        font-size: 1.5rem;
        line-height: 1;
        display: block;
      }
      .gb-audience-badge__text {
        margin: 0;
        text-align: left;
        font-size: 0.9375rem;
        font-weight: 500;
        line-height: 1.55;
        letter-spacing: -0.01em;
        color: #475569;
      }
      @media (min-width: 640px) {
        .gb-audience-badge {
          flex: 1 1 calc(50% - 0.5rem);
          max-width: calc(50% - 0.5rem);
        }
        .gb-audience-badge:last-child {
          flex: 1 1 100%;
          max-width: 36rem;
          margin-left: auto;
          margin-right: auto;
        }
      }
      @media (min-width: 1024px) {
        /* 6 columns: row1 = three equal cards; row2 = two cards centered with side margins */
        .gb-audience-badges {
          display: grid;
          grid-template-columns: repeat(6, minmax(0, 1fr));
          gap: 1.125rem;
          align-items: stretch;
        }
        .gb-audience-badge {
          flex: unset;
          max-width: none;
          margin: 0;
          width: auto;
        }
        .gb-audience-badge:last-child {
          flex: unset;
          max-width: none;
          margin: 0;
        }
        .gb-audience-badge:nth-child(1) { grid-column: 1 / 3; }
        .gb-audience-badge:nth-child(2) { grid-column: 3 / 5; }
        .gb-audience-badge:nth-child(3) { grid-column: 5 / 7; }
        .gb-audience-badge:nth-child(4) { grid-column: 2 / 4; }
        .gb-audience-badge:nth-child(5) { grid-column: 4 / 6; }
      }
      @media (prefers-reduced-motion: reduce) {
        .gb-audience-badge {
          transition: none;
        }
        .gb-audience-badge:hover {
          transform: none;
        }
      }