/* Key Blank Compatibility Styles */

/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --accent-color: #7c3aed;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --black: #000000;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
    --spacing-3xl: 3rem;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* Header Styles */
.site-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
}

.logo:hover {
    color: var(--white);
}

.logo svg {
    width: 32px;
    height: 32px;
    fill: var(--white);
}

/* Navigation Styles */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.main-nav a {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
    white-space: nowrap;
    font-size: 1rem;
    color: var(--white);
}

.main-nav a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--white);
    text-decoration: none;
}

.main-nav svg {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-md);
    fill: currentColor;
}

/* Page Header */
.keyBlankCompatibility_pageHeader {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--gray-200);
}

.keyBlankCompatibility_breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.keyBlankCompatibility_breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.keyBlankCompatibility_breadcrumb a:hover {
    text-decoration: underline;
}

.keyBlankCompatibility_pageTitle {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.keyBlankCompatibility_pageSubtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
    max-width: 800px;
    line-height: 1.6;
}

.keyBlankCompatibility_pageStats {
    display: flex;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.keyBlankCompatibility_statItem {
    text-align: center;
}

.keyBlankCompatibility_statNumber {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.keyBlankCompatibility_statLabel {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: var(--spacing-sm);
}

/* Checker Section */
.keyBlankCompatibility_checkerSection {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.keyBlankCompatibility_checkerGrid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.keyBlankCompatibility_checkerCard,
.keyBlankCompatibility_resultsCard {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.keyBlankCompatibility_cardHeader {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.keyBlankCompatibility_cardHeader h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.keyBlankCompatibility_cardHeader p {
    color: var(--gray-600);
    font-size: 1rem;
}

/* Form Styles */
.keyBlankCompatibility_form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.keyBlankCompatibility_formGroup {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.keyBlankCompatibility_formGroup label {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.keyBlankCompatibility_formGroup input,
.keyBlankCompatibility_formGroup select {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--white);
}

.keyBlankCompatibility_formGroup input:focus,
.keyBlankCompatibility_formGroup select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.keyBlankCompatibility_helpText {
    font-size: 0.75rem;
    color: var(--gray-500);
    background: var(--gray-50);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
}

.keyBlankCompatibility_checkBtn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border: none;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.keyBlankCompatibility_checkBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

/* Results Styles */
.keyBlankCompatibility_results {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.keyBlankCompatibility_exampleResults {
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.keyBlankCompatibility_exampleLabel {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-300);
}

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

.keyBlankCompatibility_blankItem {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-md);
    border: 2px solid var(--gray-200);
    transition: all var(--transition-fast);
}

.keyBlankCompatibility_blankItem.primary {
    border-color: var(--success-color);
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
}

.keyBlankCompatibility_blankItem.compatible {
    border-color: var(--primary-color);
}

.keyBlankCompatibility_blankCode {
    font-family: 'Courier New', monospace;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--gray-900);
    background: var(--gray-100);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    min-width: 80px;
    text-align: center;
}

.keyBlankCompatibility_blankInfo {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.keyBlankCompatibility_blankName {
    font-weight: 600;
    color: var(--gray-900);
}

.keyBlankCompatibility_blankType {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Information Section */
.keyBlankCompatibility_infoSection {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.keyBlankCompatibility_infoGrid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.keyBlankCompatibility_infoCard {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--gray-200);
}

.keyBlankCompatibility_infoIcon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-xl);
}

.keyBlankCompatibility_infoIcon i {
    font-size: 1.5rem;
    color: var(--white);
}

.keyBlankCompatibility_infoCard h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.keyBlankCompatibility_infoCard p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.keyBlankCompatibility_featureList {
    list-style: none;
    text-align: left;
}

.keyBlankCompatibility_featureList li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

.keyBlankCompatibility_featureList i {
    color: var(--success-color);
    font-size: 0.875rem;
}

/* Tutorial Section */
.keyBlankCompatibility_tutorialSection {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.keyBlankCompatibility_sectionHeader {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.keyBlankCompatibility_sectionHeader h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.keyBlankCompatibility_sectionHeader p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.keyBlankCompatibility_tutorialSteps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    max-width: 800px;
    margin: 0 auto;
}

.keyBlankCompatibility_step {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
}

.keyBlankCompatibility_stepNumber {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.keyBlankCompatibility_stepContent h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.keyBlankCompatibility_stepContent p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* FAQ Section */
.keyBlankCompatibility_faqSection {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.keyBlankCompatibility_faqAccordion {
    max-width: 800px;
    margin: 0 auto;
}

.keyBlankCompatibility_faqItem {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.keyBlankCompatibility_faqHeader {
    padding: var(--spacing-xl);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.keyBlankCompatibility_faqHeader:hover {
    background: var(--gray-50);
}

.keyBlankCompatibility_faqHeader h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.keyBlankCompatibility_faqHeader i {
    color: var(--primary-color);
    transition: transform var(--transition-fast);
}

.keyBlankCompatibility_faqItem.active .keyBlankCompatibility_faqHeader i {
    transform: rotate(180deg);
}

.keyBlankCompatibility_faqContent {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    display: none;
}

.keyBlankCompatibility_faqItem.active .keyBlankCompatibility_faqContent {
    display: block;
}

.keyBlankCompatibility_faqContent p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Related Section */
.keyBlankCompatibility_relatedSection {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.keyBlankCompatibility_relatedGrid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.keyBlankCompatibility_relatedCard {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--gray-200);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.keyBlankCompatibility_relatedCard:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    text-decoration: none;
}

.keyBlankCompatibility_relatedIcon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.keyBlankCompatibility_relatedIcon i {
    font-size: 1.25rem;
    color: var(--white);
}

.keyBlankCompatibility_relatedCard h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.keyBlankCompatibility_relatedCard p {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Footer */
.keyBlankCompatibility_footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.keyBlankCompatibility_footerContent {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.keyBlankCompatibility_footerSection h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.keyBlankCompatibility_footerSection p {
    color: var(--gray-400);
    line-height: 1.6;
}

.keyBlankCompatibility_footerSection ul {
    list-style: none;
}

.keyBlankCompatibility_footerSection ul li {
    margin-bottom: var(--spacing-sm);
}

.keyBlankCompatibility_footerSection ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.keyBlankCompatibility_footerSection ul li a:hover {
    color: var(--white);
}

.keyBlankCompatibility_footerBottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-800);
    color: var(--gray-500);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .keyBlankCompatibility_checkerGrid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .keyBlankCompatibility_infoGrid,
    .keyBlankCompatibility_relatedGrid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .keyBlankCompatibility_footerContent {
        grid-template-columns: repeat(2, 1fr);
    }

    .keyBlankCompatibility_pageStats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .keyBlankCompatibility_pageTitle {
        font-size: 2rem;
    }

    .keyBlankCompatibility_pageSubtitle {
        font-size: 1rem;
    }

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

    .keyBlankCompatibility_step {
        flex-direction: column;
        text-align: center;
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .main-nav a {
        min-height: 44px;
        padding: var(--spacing-lg);
        justify-content: center;
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .keyBlankCompatibility_checkBtn {
        min-height: 44px;
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: 1rem;
    }

    .keyBlankCompatibility_formGroup input,
    .keyBlankCompatibility_formGroup select {
        min-height: 44px;
        padding: var(--spacing-lg);
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .keyBlankCompatibility_faqHeader {
        min-height: 44px;
        padding: var(--spacing-lg);
    }

    .keyBlankCompatibility_relatedCard {
        padding: var(--spacing-xl);
        min-height: 44px;
    }

    .breadcrumb-link {
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-lg);
    }
}