/* 
 * Kanji Page Specific Styles
 * Contains styling for kanji search, display grid, and modal
 */

/* Introduction Section */
.intro-section {
    padding-top: 120px;
    background-color: var(--bg-primary);
    position: relative;
}

.intro-section::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><text y=".9em" font-size="90" fill="rgba(255,77,109,0.05)">漢</text></svg>') no-repeat center;
    background-size: contain;
    opacity: 0.5;
    z-index: 0;
}

.intro-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.intro-text {
    flex: 2;
    min-width: 300px;
}

.intro-text h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.8rem;
}

.intro-text h3 {
    color: var(--text-primary);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    font-size: 1.4rem;
}

.intro-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.intro-text ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.intro-text ul li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    list-style-type: disc;
}

.intro-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.intro-image img {
    max-width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: var(--transition-normal);
}

.intro-image img:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

/* Learning Tips */
.learning-tips {
    margin-top: var(--spacing-xl);
}

.learning-tips h3 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.6rem;
    position: relative;
}

.learning-tips h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.tips-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.tip-card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--box-shadow-light);
    transition: var(--transition-normal);
    border: 1px solid var(--border-light);
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.tip-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.tip-card h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.tip-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Search Section */
.search-section {
    background-color: var(--bg-secondary);
    position: relative;
}

.search-container {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-light);
}

.search-options {
    margin-bottom: var(--spacing-lg);
}

.search-field {
    display: flex;
    margin-bottom: var(--spacing-md);
}

.search-field input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--border-medium);
    border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
    font-size: 1rem;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

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

.search-field button {
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    padding: 0 20px;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

.filter-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-medium);
    border-radius: var(--border-radius-md);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.search-tags {
    margin-top: var(--spacing-md);
}

.search-tags h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 1rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    display: inline-block;
    padding: 6px 12px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid var(--border-light);
}

.tag:hover {
    background-color: var(--primary-color-light);
    color: var(--primary-color-dark);
    transform: translateY(-2px);
}

.tag.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Kanji Display Section */
.kanji-display-section {
    background-color: var(--bg-primary);
    min-height: 60vh;
}

.results-info {
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.kanji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.kanji-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-light);
    transition: var(--transition-normal);
    cursor: pointer;
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.kanji-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: var(--transition-normal);
}

.kanji-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.kanji-card:hover::before {
    opacity: 1;
}

.kanji-char {
    font-family: var(--font-japanese);
    font-size: 3rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-normal);
}

.kanji-card:hover .kanji-char {
    transform: scale(1.1);
}

.kanji-meaning {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xs);
}

.kanji-reading {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    text-align: center;
}

.kanji-level {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 0.8rem;
    padding: 2px 6px;
    border-radius: var(--border-radius-sm);
    background-color: var(--secondary-color);
    color: white;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
    gap: 5px;
}

.page-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid var(--border-light);
}

.page-item:hover {
    background-color: var(--bg-tertiary);
    color: var(--primary-color);
}

.page-item.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.page-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--text-secondary);
}

.no-results i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--border-medium);
}

.no-results h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

/* Modal Popup */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1050;
    overflow-y: auto;
    animation: fadeIn 0.3s ease;
    padding: 0 10px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    position: relative;
    margin: 30px auto;
    width: 95%;
    max-width: 800px;
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: var(--spacing-md);
    animation: slideUp 0.4s ease;
    overflow: hidden;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.close-modal:hover {
    color: var(--primary-color);
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.modal-header h2 {
    font-family: var(--font-japanese);
    font-size: 5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.modal-header h3 {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.kanji-details {
    grid-column: 1 / 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.readings, .stroke-order, .example-words, .practice-area, .kanji-info {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
}

.readings h4, .stroke-order h4, .example-words h4, .practice-area h4, .kanji-info h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.reading-types {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.kunyomi, .onyomi {
    padding: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
}

.kunyomi h5, .onyomi h5 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 1rem;
    display: flex;
    align-items: center;
}

.kunyomi h5::before {
    content: '訓';
    font-family: var(--font-japanese);
    margin-right: 8px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.onyomi h5::before {
    content: '音';
    font-family: var(--font-japanese);
    margin-right: 8px;
    color: var(--secondary-color);
    font-size: 1.2rem;
}

.kunyomi p, .onyomi p {
    color: var(--text-secondary);
    font-family: var(--font-japanese);
    font-size: 1.1rem;
}

.stroke-display {
    height: 200px;
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--border-medium);
}

.stroke-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stroke-count {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.example-words {
    grid-column: 1;
    align-self: start;
}

#example-list {
    list-style-type: none;
    padding: 0;
}

#example-list li {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
}

#example-list li:last-child {
    border-bottom: none;
}

#example-list .japanese {
    font-family: var(--font-japanese);
    font-weight: 500;
    color: var(--text-primary);
}

.practice-area {
    grid-column: 2;
    align-self: start;
}

#practice-canvas {
    width: 100%;
    height: 200px;
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-medium);
    cursor: crosshair;
    touch-action: none;
}

.practice-controls {
    display: flex;
    justify-content: flex-end;
}

.kanji-info {
    grid-column: 1 / 3;
}

.info-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.info-item {
    flex: 1;
    min-width: 150px;
    padding: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
}

.info-label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.info-value {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.1rem;
}

/* Animation for kanji cards */
.kanji-card {
    animation: fadeInScale 0.5s ease forwards;
    opacity: 0;
    transform: scale(0.8);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Add animation delay for each card to create a wave effect */
.kanji-card:nth-child(1) { animation-delay: 0.05s; }
.kanji-card:nth-child(2) { animation-delay: 0.1s; }
.kanji-card:nth-child(3) { animation-delay: 0.15s; }
.kanji-card:nth-child(4) { animation-delay: 0.2s; }
.kanji-card:nth-child(5) { animation-delay: 0.25s; }
.kanji-card:nth-child(6) { animation-delay: 0.3s; }
.kanji-card:nth-child(7) { animation-delay: 0.35s; }
.kanji-card:nth-child(8) { animation-delay: 0.4s; }
.kanji-card:nth-child(9) { animation-delay: 0.45s; }
.kanji-card:nth-child(10) { animation-delay: 0.5s; }
.kanji-card:nth-child(11) { animation-delay: 0.55s; }
.kanji-card:nth-child(12) { animation-delay: 0.6s; }
.kanji-card:nth-child(13) { animation-delay: 0.65s; }
.kanji-card:nth-child(14) { animation-delay: 0.7s; }
.kanji-card:nth-child(15) { animation-delay: 0.75s; }
.kanji-card:nth-child(16) { animation-delay: 0.8s; }
.kanji-card:nth-child(17) { animation-delay: 0.85s; }
.kanji-card:nth-child(18) { animation-delay: 0.9s; }
.kanji-card:nth-child(19) { animation-delay: 0.95s; }
.kanji-card:nth-child(20) { animation-delay: 1s; }

/* Accessibility focus styles */
.kanji-card:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.tag:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Responsive Design */
@media screen and (max-width: 991px) {
    .intro-content {
        flex-direction: column;
    }
    
    .intro-image {
        order: -1;
        margin-bottom: var(--spacing-md);
    }
    
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .kanji-details {
        grid-column: 1;
        grid-template-columns: 1fr;
    }
    
    .kanji-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media screen and (max-width: 768px) {

    .search-field {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .search-field input {
        width: calc(100% - 50px);
        border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
    }
    
    #clear-search {
        width: 50px;
        border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    }
    
    #search-button {
        width: 100%;
        margin-top: var(--spacing-xs);
        border-radius: var(--border-radius-md);
    }
    
    .filter-options {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .search-field {
        flex-direction: column;
    }
    
    .search-field input {
        border-radius: var(--border-radius-md);
        margin-bottom: var(--spacing-sm);
    }
    
    .search-field button {
        border-radius: var(--border-radius-md);
        width: 100%;
    }
    
    .modal-body {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-md);
    }
    
    .kanji-details {
        grid-column: 1;
        grid-template-columns: 1fr !important;
        gap: var(--spacing-md);
    }
    
    .example-words, .practice-area {
        grid-column: 1;
    }
    
    .modal-header h2 {
        font-size: 4rem;
    }
    
    .modal-header h3 {
        font-size: 1.2rem;
    }
    
    #practice-canvas {
        height: 180px;
    }
}

@media screen and (max-width: 576px) {
    .kanji-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
    
    .kanji-char {
        font-size: 2.5rem;
    }
    
    .kanji-meaning {
        font-size: 0.8rem;
    }
    
    .kanji-reading {
        font-size: 0.75rem;
    }
    
    .modal-content {
        margin: 10px auto;
        padding: var(--spacing-sm);
    }
    
    .modal-header h2 {
        font-size: 3.2rem;
    }
    
    .modal-header h3 {
        font-size: 1rem;
    }
    
    .stroke-display {
        height: 150px;
    }
    
    #practice-canvas {
        height: 150px;
    }
    
    .info-items {
        flex-direction: column;
    }
    
    .close-modal {
        top: 5px;
        right: 5px;
        font-size: 1.5rem;
    }
}

/* Fix for mobile touch */
#practice-canvas {
    touch-action: none;
    cursor: crosshair;
    background-color: var(--bg-primary);
    border: 2px solid var(--border-medium);
}

/* Dark mode specific adjustments */
[data-theme="dark"] .practice-area {
    border-color: var(--border-medium);
}

[data-theme="dark"] #practice-canvas {
    border-color: var(--border-dark);
}

/* Stroke animation related styles */
.stroke-display {
    position: relative;
}

.kanji-stroke-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kanji-static {
    font-family: var(--font-japanese);
    font-size: 5rem;
    color: var(--text-tertiary);
}

/* Stroke Animation */
.stroke-animation-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.3s, transform 0.5s;
}

.stroke-animation-placeholder.animate {
    opacity: 1;
    transform: scale(1);
}

.kanji-display {
    font-family: var(--font-japanese);
    font-size: 5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.stroke-info {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Tombol Clear All Search */
#clear-search {
    border-radius: 0;
    padding: 0 15px;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-medium);
    border-left: none;
}

#clear-search:hover {
    background-color: var(--border-medium);
    color: var(--text-primary);
}

/* Menyesuaikan border radius untuk input dengan tombol clear di tengah */
.search-field input {
    border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
}

/* Search button now needs different border-radius */
#search-button {
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}