/* ============================================
   DealFlipAI Calculator Pages
   Premium Glassmorphism Design
   ============================================ */

/* Page Layout */
.calculator-page {
    min-height: 100vh;
    padding-top: 80px;
    background: var(--landing-hero-gradient);
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    padding: 16px 0;
    margin-bottom: 8px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 14px;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-gray-500);
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    color: var(--color-gray-400);
}

.breadcrumb a {
    color: var(--color-gray-600);
    text-decoration: none;
    transition: color 0.2s;
}

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

.breadcrumb li[aria-current="page"] {
    color: var(--color-gray-900);
    font-weight: 500;
}

/* Hero Section */
.calculator-hero {
    padding: 32px 0 48px;
    text-align: center;
}

.calculator-hero-content {
    max-width: 640px;
    margin: 0 auto;
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: color-mix(in srgb, var(--platform-color) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--platform-color) 25%, transparent);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    color: var(--platform-color);
    margin-bottom: 20px;
}

.platform-badge i {
    font-size: 16px;
}

.calculator-hero h1 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    color: var(--color-gray-900);
    margin: 0 0 12px;
    letter-spacing: -0.02em;
}

.calculator-subtitle {
    font-size: 18px;
    color: var(--color-gray-600);
    margin: 0;
    line-height: 1.5;
}

/* Calculator Section */
.calculator-section {
    padding: 0 0 80px;
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 32px;
    align-items: start;
}

/* Calculator Card */
.calculator-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.calculator-card-header {
    padding: 24px 28px 0;
}

.calculator-card-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0;
}

/* Form Styles */
.calculator-form {
    padding: 24px 28px;
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gray-700);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix,
.input-suffix {
    position: absolute;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-gray-500);
    pointer-events: none;
}

.input-prefix {
    left: 14px;
}

.input-suffix {
    right: 14px;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: var(--color-gray-50);
    color: var(--color-gray-900);
    transition: all 0.2s ease;
}

.input-wrapper input:has(~ .input-prefix),
.input-wrapper:has(.input-prefix) input {
    padding-left: 32px;
}

.input-wrapper:has(.input-suffix) input {
    padding-right: 32px;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
    box-shadow: var(--shadow-glow);
}

.form-group select {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: var(--color-gray-50);
    color: var(--color-gray-900);
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.input-help {
    font-size: 12px;
    color: var(--color-gray-500);
}

/* Results Section */
.calculator-results {
    background: linear-gradient(135deg, var(--color-gray-50), var(--color-gray-100));
    border-top: 1px solid var(--color-gray-200);
    padding: 24px 28px;
}

.results-header {
    margin-bottom: 20px;
}

.results-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-gray-700);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.result-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px;
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
}

.result-item.highlight {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--color-primary-lighter), white);
    border-color: var(--color-primary-light);
}

.result-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.result-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-gray-900);
    font-feature-settings: 'tnum';
}

.result-value.positive {
    color: var(--color-success);
}

.result-value.negative {
    color: var(--color-danger);
}

.result-item.highlight .result-value {
    font-size: 32px;
}

/* Sidebar Styles */
.calculator-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.info-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 16px;
}

.info-card h3 i {
    color: var(--color-primary);
}

.info-content {
    font-size: 14px;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.info-content p {
    margin: 0 0 12px;
}

.info-content ul {
    margin: 0;
    padding-left: 20px;
}

.info-content li {
    margin-bottom: 8px;
}

/* Tips Card */
.tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tips-list li {
    position: relative;
    padding-left: 24px;
    font-size: 14px;
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: 12px;
}

.tips-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

/* CTA Card */
.cta-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    margin-bottom: 16px;
}

.cta-icon i {
    font-size: 24px;
    color: white;
}

.cta-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: white;
    margin: 0 0 8px;
}

.cta-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin: 0 0 20px;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    color: var(--color-primary-dark);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Related Tools Section */
.related-tools-section {
    padding: 64px 0;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
}

.related-tools-section h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-gray-900);
    text-align: center;
    margin: 0 0 32px;
}

.related-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.related-tool-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all 0.2s ease;
}

.related-tool-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.related-tool-card .tool-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: color-mix(in srgb, var(--platform-color) 12%, transparent);
    border-radius: 10px;
    flex-shrink: 0;
}

.related-tool-card .tool-icon i {
    font-size: 20px;
    color: var(--platform-color);
}

.related-tool-card .tool-info {
    flex: 1;
}

.related-tool-card h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0 0 2px;
}

.related-tool-card span {
    font-size: 13px;
    color: var(--color-gray-500);
}

.related-tool-card > i {
    color: var(--color-gray-400);
    transition: transform 0.2s;
}

.related-tool-card:hover > i {
    transform: translateX(4px);
    color: var(--color-primary);
}

/* Platform Comparison Table (Cross-listing) */
.platform-comparison {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-gray-200);
}

.platform-comparison h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-gray-700);
    margin: 0 0 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.platform-comparison table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.platform-comparison th,
.platform-comparison td {
    padding: 10px 12px;
    text-align: left;
}

.platform-comparison th {
    background: var(--color-gray-100);
    font-weight: 600;
    color: var(--color-gray-600);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.platform-comparison td {
    border-bottom: 1px solid var(--color-gray-100);
    color: var(--color-gray-700);
}

.platform-comparison tr.best-platform {
    background: var(--color-success-light);
}

.platform-comparison tr.best-platform td {
    color: var(--color-gray-900);
    font-weight: 500;
}

.best-badge {
    display: inline-block;
    padding: 2px 6px;
    background: var(--color-success);
    color: white;
    font-size: 10px;
    font-weight: 700;
    border-radius: 4px;
    margin-left: 6px;
    vertical-align: middle;
}

.platform-comparison .positive {
    color: var(--color-success);
    font-weight: 600;
}

.platform-comparison .negative {
    color: var(--color-danger);
    font-weight: 600;
}

/* Fee Comparison Table (in content) */
.fee-comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 13px;
}

.fee-comparison-table th,
.fee-comparison-table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.fee-comparison-table th {
    font-weight: 600;
    color: var(--color-gray-700);
    background: var(--color-gray-50);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .calculator-grid {
        grid-template-columns: 1fr;
    }

    .calculator-sidebar {
        order: 2;
    }
}

@media (max-width: 768px) {
    .calculator-page {
        padding-top: 70px;
    }

    .breadcrumb {
        font-size: 13px;
    }

    .calculator-hero {
        padding: 24px 0 32px;
    }

    .calculator-hero h1 {
        font-size: 28px;
    }

    .calculator-subtitle {
        font-size: 16px;
    }

    .calculator-form {
        padding: 20px;
    }

    .calculator-results {
        padding: 20px;
    }

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

    .result-item.highlight {
        grid-column: span 1;
    }

    .related-tools-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }
}

/* Dark Mode Overrides */
:root[data-theme="dark"] .calculator-card {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
}

:root[data-theme="dark"] .calculator-results {
    background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-100));
}

:root[data-theme="dark"] .result-item {
    background: var(--color-gray-100);
    border-color: var(--color-gray-300);
}

:root[data-theme="dark"] .result-item.highlight {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), var(--color-gray-100));
    border-color: rgba(59, 130, 246, 0.3);
}

:root[data-theme="dark"] .info-card {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
}

:root[data-theme="dark"] .related-tools-section {
    background: var(--color-gray-50);
    border-color: var(--color-gray-200);
}

:root[data-theme="dark"] .related-tool-card {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
}

:root[data-theme="dark"] .platform-comparison th {
    background: var(--color-gray-200);
}

:root[data-theme="dark"] .platform-comparison tr.best-platform {
    background: rgba(16, 185, 129, 0.15);
}

/* ===========================================
   TOOLS INDEX PAGE STYLES
   =========================================== */

.tools-page {
    min-height: 100vh;
    padding-top: 80px;
    background: var(--landing-hero-gradient);
}

.tools-hero {
    padding: 48px 0 32px;
    text-align: center;
}

.tools-hero-content {
    max-width: 640px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--color-primary-subtle);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.tools-hero h1 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    color: var(--color-gray-900);
    margin: 0 0 16px;
    letter-spacing: -0.02em;
}

.tools-subtitle {
    font-size: 18px;
    color: var(--color-gray-600);
    margin: 0;
    line-height: 1.6;
}

/* Featured Tool Section */
.featured-tool-section {
    padding: 0 0 48px;
}

.featured-tool-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.08));
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.featured-tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(59, 130, 246, 0.05));
    pointer-events: none;
}

.featured-tool-card:hover {
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.featured-tool-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: linear-gradient(135deg, #3B82F6, #8B5CF6);
    color: white;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 20px;
}

.featured-tool-badge i {
    font-size: 12px;
}

.featured-tool-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #3B82F6, #8B5CF6);
    border-radius: 18px;
    flex-shrink: 0;
}

.featured-tool-icon i {
    font-size: 32px;
    color: white;
}

.featured-tool-content {
    flex: 1;
}

.featured-tool-content h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 8px;
}

.featured-tool-content p {
    font-size: 15px;
    color: var(--color-gray-600);
    margin: 0 0 16px;
    line-height: 1.6;
}

.featured-tool-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.featured-tool-features span {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-gray-700);
}

.featured-tool-features i {
    font-size: 14px;
    color: #10B981;
}

.featured-tool-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.featured-tool-arrow i {
    font-size: 20px;
    color: #3B82F6;
}

.featured-tool-card:hover .featured-tool-arrow {
    background: #3B82F6;
}

.featured-tool-card:hover .featured-tool-arrow i {
    color: white;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 24px;
}

/* Tools Grid Section */
.tools-grid-section {
    padding: 0 0 64px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
}

.tool-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-sm);
}

.tool-card:hover {
    border-color: var(--card-border-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.tool-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: color-mix(in srgb, var(--platform-color) 12%, transparent);
    border-radius: 14px;
    flex-shrink: 0;
}

.tool-card-icon i {
    font-size: 26px;
    color: var(--platform-color);
}

.tool-card-content {
    flex: 1;
}

.tool-card-content h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 4px;
}

.tool-card-content p {
    font-size: 14px;
    color: var(--color-gray-600);
    margin: 0 0 8px;
    line-height: 1.5;
}

.tool-card-platform {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--platform-color);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tool-card-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-gray-100);
    border-radius: 10px;
    color: var(--color-gray-500);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.tool-card:hover .tool-card-arrow {
    background: var(--color-primary);
    color: white;
    transform: translateX(4px);
}

/* CTA Section */
.tools-cta-section {
    padding: 64px 0;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
}

.tools-cta-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--radius-2xl);
    padding: 48px;
    display: flex;
    align-items: center;
    gap: 48px;
    box-shadow: var(--shadow-xl);
}

.cta-content {
    flex: 1;
}

.cta-content h2 {
    font-size: 28px;
    font-weight: 800;
    color: white;
    margin: 0 0 12px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin: 0 0 24px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.cta-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    color: white;
    font-weight: 500;
    font-size: 15px;
}

.cta-feature i {
    font-size: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .tools-page {
        padding-top: 70px;
    }

    .tools-hero {
        padding: 32px 0 24px;
    }

    .tools-hero h1 {
        font-size: 28px;
    }

    .featured-tool-card {
        flex-direction: column;
        text-align: center;
        padding: 24px;
        padding-top: 48px;
    }

    .featured-tool-badge {
        top: 12px;
        right: 12px;
    }

    .featured-tool-content h2 {
        font-size: 18px;
    }

    .featured-tool-content p {
        font-size: 14px;
    }

    .featured-tool-features {
        justify-content: center;
    }

    .featured-tool-arrow {
        display: none;
    }

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

    .tools-cta-card {
        flex-direction: column;
        padding: 32px;
        gap: 32px;
        text-align: center;
    }

    .cta-content h2 {
        font-size: 24px;
    }
}

/* Dark Mode */
:root[data-theme="dark"] .tools-cta-section {
    background: var(--color-gray-50);
    border-color: var(--color-gray-200);
}

:root[data-theme="dark"] .tool-card {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
}

:root[data-theme="dark"] .tool-card-arrow {
    background: var(--color-gray-200);
}

:root[data-theme="dark"] .featured-tool-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(139, 92, 246, 0.12));
    border-color: rgba(59, 130, 246, 0.4);
}

:root[data-theme="dark"] .featured-tool-content h2 {
    color: var(--color-gray-900);
}

:root[data-theme="dark"] .featured-tool-content p {
    color: var(--color-gray-500);
}

:root[data-theme="dark"] .featured-tool-features span {
    color: var(--color-gray-400);
}

:root[data-theme="dark"] .section-title {
    color: var(--color-gray-900);
}

/* CTA iOS App Download Styles */
.cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}

.cta-ios-app {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
}

.cta-app-store-badge {
    display: inline-flex;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.cta-app-store-badge:hover {
    transform: translateY(-2px);
    opacity: 0.85;
}

.cta-app-store-badge img {
    height: 43px;
    width: auto;
}

.cta-qr-code {
    display: flex;
    align-items: center;
    padding: 3px;
    background: white;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-qr-code img {
    width: 43px;
    height: 43px;
    border-radius: 3px;
}

/* Dark mode CTA iOS styles */
:root[data-theme="dark"] .cta-qr-code {
    background: var(--df-dark-800);
    border-color: var(--df-dark-600);
}

/* Hide QR on mobile */
@media (max-width: 768px) {
    .cta-qr-code {
        display: none;
    }

    .cta-buttons {
        align-items: center;
        width: 100%;
    }

    .cta-ios-app {
        justify-content: center;
    }
}