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ease}.student-catalog-lesson-body{display:flex;flex-direction:column;gap:var(--numeria-space-2);padding:18px 20px 20px;flex:1 1}.student-catalog-lesson-card:hover{transform:translateY(-2px);border-color:var(--numeria-color-accent);box-shadow:0 8px 24px rgba(37,99,235,.12)}.student-catalog-lesson-card:focus-visible{outline:3px solid var(--numeria-color-accent);outline-offset:3px}.g2-catalog-card.is-access-locked,.g3-catalog-card.is-access-locked,.g4-catalog-card.is-access-locked,.g5-catalog-card.is-access-locked,.student-catalog-lesson-card.is-access-locked{border-color:#94a3b8;background:linear-gradient(180deg,#f8fafc,#eef2f7)}.student-catalog-access-badge{display:inline-flex;align-items:center;min-height:28px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:800}.student-catalog-access-badge.is-free{color:#14532d;background:#dcfce7;border:1px solid #86efac}.student-catalog-access-badge.is-locked{color:#334155;background:#e2e8f0;border:1px solid #94a3b8}.student-catalog-access-badge.is-unlocked{color:#1e3a8a;background:#dbeafe;border:1px solid #93c5fd}.student-catalog-lesson-meta{display:flex;flex-wrap:wrap;gap:8px}.student-catalog-lesson-domain{display:inline-block;padding:4px 10px;border-radius:999px;background:#e2e8f0;font-size:12px;font-weight:700}.student-catalog-lesson-card.is-grade1-strand-card .student-catalog-lesson-domain{background:color-mix(in srgb,var(--numeria-color-accent) 14%,white);color:#0f172a;border:1px solid color-mix(in srgb,var(--numeria-color-accent) 28%,white)}.student-catalog-lesson-subtopic{margin:0;font-size:13px;font-weight:700;letter-spacing:.02em;color:var(--numeria-color-text-muted,#64748b)}.lesson-catalog-art-label.is-official-strand{font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;line-height:1.25;max-width:12rem;text-align:center}.student-catalog-view-mode-row{display:flex;flex-wrap:wrap;gap:10px}.student-catalog-view-chip{min-height:44px;padding:.55rem 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solid;border-radius:.5rem;font-size:1.75rem;font-weight:800}.g1-final-comparison-cards{display:grid;grid-template-columns:1fr auto 1fr;grid-gap:.75rem;gap:.75rem;align-items:center}.g1-final-number-card{display:grid;grid-gap:.25rem;gap:.25rem;padding:.75rem;border:2px solid;border-radius:.75rem;text-align:center}.g1-final-comparison-symbol{font-size:2rem;font-weight:800}.g1-final-misconception-check{grid-column:1/-1;margin:0;padding:.65rem .75rem;border-radius:.65rem;background:#fef3c7;color:#92400e;font-size:.92rem}.g1-final-preset-pairs{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.g1-final-preset-pair{min-height:2.75rem;padding:.45rem .75rem;border-radius:999px;border:1px solid;background:color-mix(in srgb,currentColor 8%,transparent);font-weight:700;cursor:pointer}.g1-final-preset-label{font-size:.85rem;font-weight:700}.student-catalog-lesson-title{margin:0;font-size:var(--numeria-font-size-card);line-height:1.3}.student-catalog-lesson-objective{margin:0;flex:1 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#2563eb;outline-offset:2px}.student-catalog-skill-chip.is-active{background:#eff6ff;border-color:rgba(37,99,235,.55);color:#1d4ed8}.student-catalog-skill-chip-count{display:inline-flex;align-items:center;justify-content:center;min-width:1.75rem;min-height:1.75rem;padding:0 8px;border-radius:999px;background:rgba(15,23,42,.08);font-size:.82rem}.student-catalog-primary-section-header{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;align-items:baseline;margin-bottom:16px}.student-catalog-primary-section.is-g1-curriculum-group{padding:18px;border:2px solid var(--g1-section-border,rgba(148,163,184,.45));border-radius:18px;background:var(--g1-section-surface,#fff);box-shadow:0 10px 24px rgba(15,23,42,.05)}.student-catalog-primary-section.is-g1-curriculum-group .numeria-section-heading{color:var(--g1-section-accent,#0f172a)}.student-catalog-group-description{margin:6px 0 0;max-width:42rem;color:#334155;line-height:1.45}.student-catalog-group-count,.student-catalog-lesson-sequence{margin:0;font-weight:700;color:#475569}.student-catalog-lesson-sequence{font-size:.82rem}.student-catalog-lesson-top-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}.student-catalog-lesson-topic-icon{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;margin-bottom:8px;border:2px solid color-mix(in srgb,var(--g1-card-accent,#64748b) 45%,white);border-radius:10px;background:color-mix(in srgb,var(--g1-card-accent,#64748b) 8%,white)}.student-catalog-lesson-topic-icon svg{width:1.35rem;height:1.35rem}.student-catalog-lesson-card.is-grade1-compact-card{display:flex;flex-direction:column;min-height:100%;padding:14px 14px 16px;border:1px solid color-mix(in srgb,var(--g1-card-accent,#64748b) 28%,#cbd5e1);border-top:4px solid var(--g1-card-accent,#64748b);border-radius:16px;background:color-mix(in srgb,var(--g1-card-accent,#64748b) 5%,white);box-shadow:0 8px 18px rgba(15,23,42,.05);text-decoration:none;color:inherit}.student-catalog-lesson-card.is-grade1-compact-card .student-catalog-lesson-title{margin:6px 0 8px;font-size:1.05rem;line-height:1.35;color:#0f172a}.student-catalog-lesson-card.is-grade1-compact-card .student-catalog-lesson-objective{flex:1 1;margin:0 0 12px;color:#334155;line-height:1.45}.student-catalog-lesson-card.is-grade1-compact-card .student-catalog-lesson-cta{margin-top:auto}.is-g1-term-section{display:grid;grid-gap:20px;gap:20px}.is-g1-strand-group{padding-top:4px;border-top:1px solid color-mix(in srgb,var(--g1-section-border,#cbd5e1) 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rgba(148,163,184,.25)}.student-lesson-progress-badge{display:inline-flex;align-self:start;align-items:center;min-height:32px;padding:0 12px;border-radius:999px;font-size:.92rem;font-weight:800}.student-lesson-progress-badge.is-not-started{background:#e2e8f0;color:#334155}.student-lesson-progress-badge.is-in-progress{background:#fef3c7;color:#92400e}.student-lesson-progress-badge.is-completed{background:#dcfce7;color:#166534}.student-lesson-progress-detail{margin:0;font-weight:700;color:#334155}.student-lesson-completion-message{margin:0;font-weight:700;color:#166534}.student-grade-progress-summary{display:grid;grid-gap:8px;gap:8px}.student-grade-progress-copy{margin:0}.student-grade-progress-bar{width:100%;height:12px;border-radius:999px;background:rgba(148,163,184,.25);overflow:hidden}.student-grade-progress-bar-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,#34d399,#059669)}.student-catalog-lesson-status{display:inline-flex;align-items:center;gap:4px;padding:4px 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var(--numeria-color-border);border-radius:var(--numeria-radius-card);background:var(--numeria-color-surface);box-shadow:var(--numeria-shadow-card);color:inherit;text-decoration:none;overflow:hidden;min-height:100%;transition:transform .14s ease,border-color .14s ease,box-shadow .14s ease}.student-grade-hub-card:hover{transform:translateY(-3px);border-color:var(--numeria-color-accent);box-shadow:0 10px 28px rgba(37,99,235,.14)}.student-grade-hub-body{display:flex;flex-direction:column;gap:var(--numeria-space-2);padding:20px 22px 22px;flex:1 1}.student-grade-hub-title{margin:0;font-size:var(--numeria-font-size-section);line-height:1.25}.student-grade-hub-blurb{margin:0;flex:1 1;font-size:var(--numeria-font-size-body);line-height:1.5;color:var(--numeria-color-text-muted,#475569)}.student-grade-hub-count{margin:var(--numeria-space-2) 0 0;font-size:var(--numeria-font-size-body)}.student-grade-landing-hero{border:1px solid 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rgba(30,64,175,.22)}.g4-tone-violet .g4-fraction-pieces{border-color:#6d28d9}.g4-tone-violet .g4-piece{border-color:rgba(109,40,217,.55)}.g4-tone-violet .g4-piece-filled{background:linear-gradient(180deg,#c084fc,#7c3aed)}.g4-tone-green .g4-fraction-pieces{border-color:#047857}.g4-tone-green .g4-piece{border-color:rgba(4,120,87,.55)}.g4-tone-green .g4-piece-filled{background:linear-gradient(180deg,#6ee7b7,#10b981)}.g4-button-pair,.g4-button-row,.g4-mini-controls,.g4-studio-actions{display:flex;flex-wrap:wrap;gap:9px;align-items:center}.g4-mini-controls{justify-content:center;margin-top:10px}.g4-button-pair button,.g4-button-row button,.g4-equation-tiles button,.g4-expression-balance button,.g4-mini-controls button,.g4-partial-grid button,.g4-primary-control,.g4-relation-button,.g4-studio-actions button{min-height:40px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;color:#172033;font:inherit;font-weight:700;cursor:pointer;transition:transform .14s ease,border-color .14s 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