/* styles.css */

:root {
  --color-primary: #D46300;
  --color-secondary: #FDDC62;
  --color-tertiary: #613704;
  --color-background: #ffffff;
  --color-text: #000000;
  --color-gray: #545454;
  --color-light-gray: #f5f5f5;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background-color: var(--color-primary);
  color: var(--color-background);
  padding: 1rem 0;
}

nav ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
}

nav ul li {
  margin: 0 1rem;
}

nav ul li a {
  color: var(--color-background);
  text-decoration: none;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  flex: 1 0 auto;
}

h1, h2, h3 {
  color: var(--color-tertiary);
}

.button {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-background);
  padding: 0.5rem 1rem;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.button:hover {
  background-color: var(--color-tertiary);
}

footer {
  flex-shrink: 0;
  background-color: var(--color-gray);
  color: var(--color-background);
  text-align: center;
  padding: 0.5rem 0;
  width: 100%;
}

.error-messages, .success-message {
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 4px;
}

.error-messages {
  background-color: #ffebee;
  color: #c62828;
}

.success-message {
  background-color: #e8f5e9;
  color: #2e7d32;
}

form {
  max-width: 500px;
  margin: 0 auto;
}

form div {
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--color-gray);
  border-radius: 4px;
}

button {
  background-color: var(--color-primary);
  color: var(--color-background);
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: var(--color-tertiary);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

th, td {
  padding: 0.5rem;
  border: 1px solid var(--color-gray);
  text-align: left;
}

th {
  background-color: var(--color-secondary);
  font-weight: bold;
}

/* Dashboard styles */
.quick-actions {
  margin-bottom: 2rem;
}

.button-group {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.button-group .button {
  flex: 1 0 auto;
  margin: 0.5rem;
  text-align: center;
}

.dashboard-overview {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.stat-box {
  background-color: var(--color-light-gray);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  flex: 1 0 200px;
  margin: 0.5rem;
}

.deck-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.deck-card {
  background-color: var(--color-light-gray);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.card-preview {
  background-color: var(--color-background);
  border: 1px solid var(--color-gray);
  border-radius: 4px;
  padding: 0.5rem;
  margin: 0.5rem 0;
  height: 150px;
  overflow: hidden;
}

.card-preview .flashcard {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s;
  cursor: pointer;
}

.card-preview .flashcard-front,
.card-preview .flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px;
  font-size: 0.9em;
  line-height: 1.4;
  overflow: hidden;
}

.card-preview .flashcard-back {
  transform: rotateY(180deg);
}

.card-preview .flashcard.flipped {
  transform: rotateY(180deg);
}

.deck-actions {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
}

.deck-actions button {
  margin-left: 5px;
}

.delete-deck {
  background-color: #ff4d4d;
  color: white;
}

.delete-deck:hover {
  background-color: #ff3333;
}

.stats-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
}

.stats-chart {
  flex: 2 1 300px;
  margin-right: 2rem;
}

.stats-summary {
  flex: 1 1 200px;
}

/* Flashcard styles */
.flashcard-container {
  perspective: 1000px;
  width: 90%;
  max-width: 600px;
  height: 400px;
  margin: 20px auto;
}

.flashcard {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s;
  cursor: pointer;
}

.flashcard.flipped {
  transform: rotateY(180deg);
}

.flashcard-front, .flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  overflow: auto;
}

.flashcard-front {
  background-color: var(--color-background);
  color: var(--color-text);
}

.flashcard-back {
  background-color: var(--color-tertiary);
  color: var(--color-background);
  transform: rotateY(180deg);
}

.flashcard-content {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

#quality-form {
  display: none;
  margin-top: 20px;
  text-align: center;
}

#quality-form.visible {
  display: block;
}

#quality-form button {
  margin: 0 5px;
  padding: 10px 15px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s;
}

#quality-form button:hover {
  opacity: 0.8;
}

.btn-again { background-color: #ff4d4d; color: white; }
.btn-hard { background-color: #ffa64d; color: white; }
.btn-good { background-color: #4da6ff; color: white; }
.btn-easy { background-color: #4dff4d; color: white; }

.no-cards {
  text-align: center;
  margin-top: 50px;
}

/* Premium features */
.premium-button {
  background-color: var(--color-secondary);
  color: var(--color-text);
}

/* Search and browse pages */
.search-form {
  margin-bottom: 2rem;
}

.search-results {
  list-style-type: none;
  padding: 0;
}

.search-result-item {
  margin-bottom: 1rem;
  padding: 1rem;
  background-color: var(--color-light-gray);
  border-radius: 4px;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.pagination a, .pagination span {
  padding: 0.5rem 1rem;
  margin: 0 0.25rem;
  border: 1px solid var(--color-gray);
  border-radius: 4px;
  text-decoration: none;
  color: var(--color-text);
}

.pagination span {
  background-color: var(--color-light-gray);
}

/* Profile page */
.profile-info {
  background-color: var(--color-light-gray);
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 2rem;
}

/* Admin pages */
.admin-section {
  margin-bottom: 2rem;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th, .admin-table td {
  padding: 0.5rem;
  border: 1px solid var(--color-gray);
}

.admin-table th {
  background-color: var(--color-secondary);
}

/* Accessibility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Modal styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  background-color: var(--color-background);
  margin: 15% auto;
  padding: 20px;
  border: 1px solid var(--color-gray);
  border-radius: 4px;
  width: 80%;
  max-width: 500px;
}

.modal-actions {
  margin-top: 20px;
  text-align: right;
}

.modal-actions button {
  margin-left: 10px;
}

/* Flashcard styles for edit_deck.php */
.flashcard-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  list-style-type: none;
  padding: 0;
}

.flashcard-item {
  background-color: var(--color-light-gray);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.flashcard-inner {
  background-color: var(--color-background);
  border: 1px solid var(--color-gray);
  border-radius: 4px;
  padding: 0.5rem;
  margin: 0.5rem 0;
  height: 180px;
  width: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s;
  cursor: pointer;
}

.flashcard-front,
.flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px;
  font-size: 0.9em;
  line-height: 1.4;
  overflow: auto;
}

.flashcard-front {
  background-color: var(--color-background);
  color: var(--color-text);
}

.flashcard-back {
  background-color: var(--color-gray);
  color: var(--color-background);
  transform: rotateY(180deg);
}

.flashcard-inner.flipped {
  transform: rotateY(180deg);
}

.flashcard-actions {
  margin-top: 0.5rem;
  display: flex;
  justify-content: space-between;
}

/* Responsive design */
@media (max-width: 1200px) {
  .flashcard-list {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .deck-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .flashcard-list {
    grid-template-columns: 1fr;
  }

  .deck-grid {
    grid-template-columns: 1fr;
  }
  
  .button-group, .dashboard-overview, .stats-container {
    flex-direction: column;
  }

  .stats-chart {
    margin-right: 0;
    margin-bottom: 1rem;
  }

  .flashcard-container {
    height: 300px;
  }
}

/* Additional styles to make cards wider */
.flashcard-list {
  max-width: 1200px;
  margin: 0 auto;
}

.flashcard-item {
  min-width: 300px;
}

.flashcard-inner {
  width: 100%;
  height: 200px;
}

/* featured decks section */
.featured-decks {
    margin-top: 2rem;
}

.deck-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.deck-card {
    background-color: var(--color-light-gray);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.deck-card h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.card-preview {
    background-color: var(--color-background);
    border: 1px solid var(--color-gray);
    border-radius: 4px;
    padding: 0.5rem;
    margin: 0.5rem 0;
    height: 150px;
    overflow: hidden;
}

.card-preview .flashcard {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s;
    cursor: pointer;
}

.card-preview .flashcard-front,
.card-preview .flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    font-size: 0.9em;
    line-height: 1.4;
    overflow: hidden;
}

.card-preview .flashcard-back {
    transform: rotateY(180deg);
}

.card-preview .flashcard.flipped {
    transform: rotateY(180deg);
}

.deck-card .button {
    align-self: flex-start;
    margin-top: auto;
}

/* Responsive design for smaller screens */
/* For screens smaller than 768px, we'll use a single column */
@media (max-width: 768px) {
    .deck-grid {
        grid-template-columns: 1fr;
    }
}

/* For screens between 768px and 1024px, we'll use two columns */
@media (min-width: 769px) and (max-width: 1024px) {
    .deck-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* For screens larger than 1024px, we'll use three columns */
@media (min-width: 1025px) {
    .deck-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

main {
  max-width: 1300px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Print styles */
@media print {
  header, footer, nav, .no-print {
    display: none;
  }

  body {
    font-size: 12pt;
  }

  main {
    width: 100%;
    margin: 0;
    padding: 0;
  }
}

/* Centered content for index.php */
.index-center-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem 0;
}

.index-center-content h1 {
    margin-bottom: 1rem;
}

.index-center-content p {
    margin-bottom: 1.5rem;
}

.index-center-content .button-group {
    display: flex;
    justify-content: center;
    gap: 1rem;
}
/* Admin Menu Styles */
.admin-menu {
    position: relative;
}

.admin-menu > a {
    color: var(--color-background);
    padding: 0.5rem 1rem;
}

.admin-submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-primary);
    min-width: 200px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    z-index: 1000;
    border-radius: 0 0 4px 4px;
}

.admin-menu:hover .admin-submenu {
    display: block;
}

.admin-submenu li {
    margin: 0;
    padding: 0;
}

.admin-submenu a {
    color: var(--color-background);
    padding: 0.75rem 1rem;
    display: block;
    text-decoration: none;
}

.admin-submenu a:hover {
    background-color: var(--color-tertiary);
}

/* Admin Dashboard Styles */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.admin-stat-box {
    background-color: var(--color-light-gray);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.admin-stat-box h3 {
    margin: 0 0 0.5rem 0;
    color: var(--color-tertiary);
}

.admin-stat-box .stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-primary);
}