/* Regex Tester Specific Styles */
.regex-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.pattern-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 0 4px var(--shadow-color);
}

.pattern-input-wrapper label,
.test-input-wrapper label,
.replace-result-wrapper label {
    display: block;
    color: var(--accent-secondary);
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 500;
}

.pattern-input-group {
    display: flex;
    align-items: center;
    gap: 5px;
}

.pattern-delimiter {
    color: var(--accent-primary);
    font-size: 24px;
    font-weight: bold;
    font-family: 'Courier New', monospace;
}

#regexPattern {
    flex: 1;
    padding: 10px 12px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 16px;
    font-family: 'Courier New', monospace;
    transition: border-color 0.3s;
    outline: none;
}

#regexPattern:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 10px var(--accent-primary);
}

.flags-input {
    width: 80px;
    padding: 10px 12px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 16px;
    font-family: 'Courier New', monospace;
    text-align: center;
    outline: none;
}

.flags-input:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 10px var(--accent-primary);
}

.flags-section {
    margin-top: 15px;
}

.flags-section>label {
    display: block;
    color: var(--accent-secondary);
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 500;
}

.flags-checkboxes {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.flag-option {
    display: flex;
    align-items: center;
    gap: 5px;
}

.flag-option input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid var(--accent-primary);
    border-radius: 3px;
    outline: none;
    transition: background-color 0.3s;
}

.flag-option input[type="checkbox"]:checked {
    background-color: var(--accent-secondary);
    border: 1px solid var(--accent-primary);
}

.flag-option label {
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    user-select: none;
}

.error-display {
    margin-top: 10px;
    padding: 10px;
    background-color: #3d1f1f;
    border: 1px solid var(--error-color);
    border-radius: 5px;
    color: var(--error-color);
    font-size: 13px;
    display: none;
}

.error-display.show {
    display: block;
}

/* Two-Column Layout */
.regex-main-content {
    display: flex;
    gap: 20px;
}

.left-column {
    flex: 1.5;
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0;
}

.right-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0;
}

.right-column .replace-section {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.right-column .replace-result-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.right-column .replace-result {
    flex: 1;
    min-height: 200px;
}

.test-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 0 4px var(--shadow-color);
}

#testString {
    width: 100%;
    min-height: 150px;
    padding: 12px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: 'Courier New', monospace;
    resize: vertical;
    outline: none;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

#testString:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 10px var(--accent-primary);
}

.results-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 0 4px var(--shadow-color);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.results-header h3 {
    color: var(--accent-secondary);
    font-size: 18px;
    margin: 0;
}

.match-count {
    color: var(--text-secondary);
    font-size: 14px;
}

.highlighted-text {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 12px;
    min-height: 100px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: 1.6;
    margin-bottom: 15px;
}

.match-highlight {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    font-weight: bold;
    padding: 2px 0;
}

.match-details {
    max-height: 300px;
    overflow-y: auto;
}

.match-item {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 8px;
    font-size: 13px;
}

.match-item-header {
    color: var(--accent-secondary);
    font-weight: 500;
    margin-bottom: 5px;
}

.match-text {
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    background-color: var(--bg-secondary);
    padding: 5px 8px;
    border-radius: 3px;
    display: inline-block;
    margin: 5px 0;
}

.match-groups {
    margin-top: 8px;
    padding-left: 15px;
}

.match-group {
    color: var(--text-secondary);
    font-size: 12px;
    margin: 3px 0;
}

.replace-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 0 4px var(--shadow-color);
}

.replace-section h3 {
    color: var(--accent-secondary);
    font-size: 18px;
    margin: 0 0 15px 0;
}

.replace-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    align-items: center;
}

#replaceString {
    flex: 1;
    padding: 10px 12px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: 'Courier New', monospace;
    outline: none;
    box-sizing: border-box;
}

#replaceString:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 10px var(--accent-primary);
}

#replaceBtn {
    margin-top: 0;
}

.replace-result {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 12px;
    min-height: 60px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.examples-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 0 4px var(--shadow-color);
}

.examples-section h3 {
    color: var(--accent-secondary);
    font-size: 18px;
    margin: 0 0 15px 0;
}

.category-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 8px 16px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 13px;
    font-family: 'Raleway', sans-serif;
}

.category-tab:hover {
    background-color: var(--bg-hover);
}

.category-tab.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px var(--accent-primary);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
}

.example-btn {
    padding: 10px 15px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 13px;
    font-family: 'Raleway', sans-serif;
}

.example-btn:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px var(--accent-primary);
}

/* Scrollbar styling */
.match-details::-webkit-scrollbar {
    width: 8px;
}

.match-details::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 5px;
}

.match-details::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 5px;
}

.match-details::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* Mobile responsive */
@media (max-width: 992px) {
    .regex-main-content {
        flex-direction: column;
    }

    .left-column,
    .right-column {
        flex: none;
        width: 100%;
    }

    .right-column .replace-result {
        min-height: 100px;
    }
}

@media (max-width: 768px) {
    .pattern-input-group {
        flex-wrap: wrap;
    }

    .flags-input {
        width: 100%;
    }

    .flags-checkboxes {
        flex-direction: column;
        gap: 10px;
    }

    .replace-controls {
        flex-direction: column;
    }

    .examples-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 8px;
    }

    .example-btn {
        padding: 8px 12px;
        font-size: 12px;
    }
}

@media (max-width: 540px) {
    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .examples-grid {
        grid-template-columns: 1fr 1fr;
    }
}