.course-breadcrumb[data-astro-cid-4m25t2ai] a[data-astro-cid-4m25t2ai]{color:var(--primary-color);text-decoration:none;font-weight:500}.course-breadcrumb[data-astro-cid-4m25t2ai] a[data-astro-cid-4m25t2ai]:hover{text-decoration:underline}.course-header[data-astro-cid-4m25t2ai]{margin-bottom:1.5rem}.course-materials[data-astro-cid-4m25t2ai] h2[data-astro-cid-4m25t2ai]{color:var(--primary-color);text-align:center;margin-bottom:2rem}.materials-grid[data-astro-cid-4m25t2ai]{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;max-width:1400px;margin:0 auto}.material-card[data-astro-cid-4m25t2ai]{background:var(--background);border:1px solid var(--border);border-radius:1rem;padding:2rem;text-decoration:none;color:inherit;transition:all .3s ease;box-shadow:var(--shadow);display:block;position:relative;text-align:center}.material-card[data-astro-cid-4m25t2ai]:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-color)}.calculators-card[data-astro-cid-4m25t2ai]:hover{border-color:#10b981}.notebook-card[data-astro-cid-4m25t2ai]:hover{border-color:#8b5cf6}.games-card[data-astro-cid-4m25t2ai]:hover{border-color:#f59e0b}.material-icon[data-astro-cid-4m25t2ai]{font-size:3rem;margin-bottom:1rem}.material-card[data-astro-cid-4m25t2ai] h3[data-astro-cid-4m25t2ai]{color:var(--primary-color);margin-bottom:1rem;font-size:1.5rem}.calculators-card[data-astro-cid-4m25t2ai] h3[data-astro-cid-4m25t2ai]{color:#10b981}.notebook-card[data-astro-cid-4m25t2ai] h3[data-astro-cid-4m25t2ai]{color:#8b5cf6}.games-card[data-astro-cid-4m25t2ai] h3[data-astro-cid-4m25t2ai]{color:#f59e0b}.material-card[data-astro-cid-4m25t2ai] p[data-astro-cid-4m25t2ai]{color:var(--text-light);line-height:1.6;margin-bottom:1.5rem}.material-type[data-astro-cid-4m25t2ai]{padding:.5rem 1rem;border-radius:2rem;font-size:.875rem;font-weight:600;text-transform:uppercase;background:#e3f2fd;color:#1565c0;display:inline-block;margin-bottom:1.5rem}.material-type[data-astro-cid-4m25t2ai].bryant-tool{background:#fef3c7;color:#92400e}.material-type[data-astro-cid-4m25t2ai].calculators-tool{background:#d1fae5;color:#065f46}.material-type[data-astro-cid-4m25t2ai].notebook-tool{background:#f3f0ff;color:#8b5cf6}.material-type[data-astro-cid-4m25t2ai].games-tool{background:#fef3c7;color:#d97706}.material-actions[data-astro-cid-4m25t2ai]{margin-top:1.5rem;display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}.btn[data-astro-cid-4m25t2ai]{display:inline-flex;align-items:center;gap:.5rem;padding:1rem 2rem;border:none;border-radius:.75rem;font-weight:600;text-decoration:none;transition:all .3s ease;cursor:pointer;font-size:1rem;background:var(--primary-color);color:#fff}.btn[data-astro-cid-4m25t2ai]:hover{background:var(--secondary-color);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary[data-astro-cid-4m25t2ai]{background:var(--background-light);color:var(--text-dark);border:1px solid var(--border)}.btn-secondary[data-astro-cid-4m25t2ai]:hover{background:var(--border);transform:translateY(-2px);box-shadow:var(--shadow)}.modal-overlay[data-astro-cid-4m25t2ai]{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(4px)}.modal-content[data-astro-cid-4m25t2ai]{background:var(--background);border-radius:1rem;box-shadow:var(--shadow-lg);max-width:400px;width:90%;max-height:90vh;overflow-y:auto}.modal-header[data-astro-cid-4m25t2ai]{padding:2rem 2rem 1rem;border-bottom:1px solid var(--border);text-align:center}.modal-header[data-astro-cid-4m25t2ai] h3[data-astro-cid-4m25t2ai]{margin:0;color:var(--primary-color);font-size:1.5rem}.modal-body[data-astro-cid-4m25t2ai]{padding:2rem}.modal-body[data-astro-cid-4m25t2ai] p[data-astro-cid-4m25t2ai]{margin-bottom:1.5rem;color:var(--text-light);line-height:1.6;text-align:center}.password-input-group[data-astro-cid-4m25t2ai]{margin-bottom:1rem}#gamesPasswordInput[data-astro-cid-4m25t2ai]{width:100%;padding:1rem;border:2px solid var(--border);border-radius:.75rem;font-size:1.1rem;text-align:center;transition:border-color .3s ease;box-sizing:border-box}#gamesPasswordInput[data-astro-cid-4m25t2ai]:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #1e3a8a1a}.error-message[data-astro-cid-4m25t2ai]{background:#fee2e2;color:#dc2626;padding:.75rem;border-radius:.5rem;font-size:.875rem;text-align:center;border:1px solid #fecaca;margin-top:1rem}.modal-footer[data-astro-cid-4m25t2ai]{padding:1rem 2rem 2rem;display:flex;gap:1rem;justify-content:flex-end}@media (max-width: 768px){.materials-grid[data-astro-cid-4m25t2ai]{grid-template-columns:1fr}.material-card[data-astro-cid-4m25t2ai]{padding:1.5rem}.material-card[data-astro-cid-4m25t2ai] h3[data-astro-cid-4m25t2ai]{font-size:1.3rem}}@media (max-width: 480px){.material-card[data-astro-cid-4m25t2ai]{padding:1rem}.material-card[data-astro-cid-4m25t2ai] h3[data-astro-cid-4m25t2ai]{font-size:1.2rem}.btn[data-astro-cid-4m25t2ai]{padding:.875rem 1.5rem;font-size:.9rem}.modal-footer[data-astro-cid-4m25t2ai]{flex-direction:column}}