/* Telugu Pattern Matching Tool Styles */

.pattern-tool-section {
    margin-bottom: 64px;
}

.tool-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), var(--gray-50));
    border: 1px solid var(--gray-200);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-all);
}

.tool-card:hover {
    box-shadow: var(--shadow-xl);
}

.tool-header {
    text-align: center;
    margin-bottom: 32px;
}

.tool-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.tool-description {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.search-container {
    max-width: 700px;
    margin: 0 auto 32px;
}

.search-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.search-options {
    margin-bottom: 16px;
}

.search-modes {
    text-align: center;
}

.search-mode-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 12px;
}

.mode-buttons {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.mode-btn {
    padding: 8px 16px;
    border: 2px solid var(--gray-200);
    background: white;
    color: var(--gray-600);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-all);
    position: relative;
    overflow: hidden;
}

.mode-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    transition: left 0.3s ease;
    z-index: -1;
}

.mode-btn:hover::before,
.mode-btn.active::before {
    left: 0;
}

.mode-btn:hover,
.mode-btn.active {
    color: white;
    border-color: var(--primary-500);
    transform: translateY(-1px);
}

.pattern-input {
    flex: 1;
    padding: 16px 20px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 500;
    background: white;
    transition: var(--transition-all);
    font-family: 'Noto Sans Telugu', 'Telugu Sangam MN', serif;
}

.pattern-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(92, 124, 250, 0.1);
}

.search-btn {
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-all);
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 140px;
    justify-content: center;
}

.search-btn:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.search-btn:active {
    transform: translateY(0);
}

.search-help {
    text-align: center;
}

.help-text {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-style: italic;
}

.pattern-results {
    border-top: 2px solid var(--gray-100);
    padding-top: 32px;
}

.results-header {
    margin-bottom: 24px;
}

.results-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.pattern-info {
    background: rgba(92, 124, 250, 0.05);
    border: 1px solid rgba(92, 124, 250, 0.2);
    border-radius: 12px;
    padding: 16px;
    font-size: 0.95rem;
    color: var(--gray-700);
}

.matching-words-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.word-match-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    transition: var(--transition-all);
    position: relative;
    overflow: hidden;
}

.word-match-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.word-match-card:hover::before {
    transform: scaleX(1);
}

.word-match-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.matched-word {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
    font-family: 'Noto Sans Telugu', 'Telugu Sangam MN', serif;
}

.match-details {
    font-size: 0.8rem;
    color: var(--gray-500);
    display: flex;
    justify-content: space-between;
}

.pattern-error {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    border: 1px solid #f87171;
    color: #dc2626;
    padding: 16px;
    border-radius: 12px;
    font-size: 0.95rem;
    text-align: center;
    font-weight: 500;
}

.pattern-loading {
    text-align: center;
    padding: 32px;
    color: var(--gray-500);
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.no-matches {
    text-align: center;
    padding: 40px;
    color: var(--gray-500);
    font-style: italic;
}

/* Notable Words Section */
.words-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.word-category {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-all);
}

.word-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.category-header {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    padding: 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.category-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 1s ease;
}

.word-category:hover .category-header::before {
    left: 100%;
}

.category-title {
    font-size: 1.125rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.word-list {
    padding: 0;
}

.word-item {
    display: flex;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition-all);
}

.word-item:hover {
    background: rgba(92, 124, 250, 0.05);
    padding-left: 28px;
}

.word-item:last-child {
    border-bottom: none;
}

.word-rank {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    margin-right: 16px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.word-info {
    flex: 1;
}

.word-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
    font-family: 'Noto Sans Telugu', 'Telugu Sangam MN', serif;
}

.word-meta {
    font-size: 0.8rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* Mobile responsive for pattern tool */
@media (max-width: 768px) {
    .search-input-group {
        flex-direction: column;
    }

    .search-btn {
        min-width: auto;
    }

    .matching-words-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }

    .tool-card {
        padding: 24px;
    }

    .words-showcase {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}