/* Browse Notes (CSS) */

/* Hero Section */
.notes-hero {
  background: linear-gradient(
    135deg,
    var(--primary-500) 0%,
    var(--primary-700) 100%
  );
  padding: 6rem 0 4rem 0;
  text-align: center;
}

.notes-hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
}

.notes-hero .subtitle {
  font-size: 1.2rem;
  text-transform: capitalize;
  color: var(--white);
  max-width: 600px;
  margin: 0 auto;
}

.browse-notes-container {
  padding: 6rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.browse-notes-container h2 {
  text-align: left;
  margin-bottom: 1.5rem;
  color: var(--accent-400);
}

/* Search Bar */
.search-bar {
  margin-bottom: 2rem;
  text-align: left;
}

.search-bar input {
  padding: 0.6rem 1rem;
  width: 100%;
  max-width: 500px;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color 0.2s;
}

.search-bar input:focus {
  outline: none;
  border-color: var(--primary-500);
}

/* Filters */
.filters-container {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  min-width: 160px;
}

.filter-group label {
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.filter-group select {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
}

.reset-filters {
  background-color: var(--gray-200);
  color: var(--gray-900);
  border: none;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  height: 38px;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

.reset-filters:hover {
  background-color: var(--gray-300);
}

/* Notes Grid */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.note-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s, box-shadow 0.2s;
  width: 100%;
  height: 100%;
  min-height: 250px;
  box-sizing: border-box;
}

.note-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 20px rgba(0, 140, 45, 0.15);
}

.note-card h3 {
  color: var(--primary-600);
  margin-bottom: 2rem;
}

.note-card p {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

/* Button */
.note-card .actions {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-start;
}

.view-button,
.download-button {
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.9rem;
  min-width: 110px;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.view-button {
  background-color: var(--accent-500);
  color: white;
}

.view-button:hover {
  background-color: var(--accent-400);
}

.download-button {
  background-color: var(--primary-500);
  color: white;
}

.download-button:hover {
  background-color: var(--primary-600);
  color: inherit;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  padding: 1rem;
}

.modal-content {
  background-color: var(--card-bg);
  color: var(--text-primary);
  padding: 2rem;
  border-radius: 12px;
  max-width: 600px;
  width: 100%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  position: relative;
  animation: fadeInUp 0.3s ease;
}

.modal-content h2 {
  margin-bottom: 1rem;
  color: var(--primary-600);
}

.modal-content p {
  margin-bottom: 0.75rem;
}

.modal-content .download-button {
  margin-top: 1rem;
}

.close-button {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.2s;
}

.close-button:hover {
  color: var(--error);
}

/* Loading / No Notes */
.loading-message,
.no-notes-message {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  grid-column: 1 / -1;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .filters-container {
    flex-direction: column;
    align-items: flex-start;
  }

  .search-bar {
    width: 100%;
  }

  .note-card .actions {
    flex-direction: column;
    align-items: stretch;
  }

  .view-button,
  .download-button {
    width: 100%;
  }
}

@media (max-width: 600px) {
  .filters-container {
    align-items: center;
  }

  .modal-content {
    padding: 1.5rem;
  }
}