/* ===== STRETCH WRAP CALCULATOR STYLES ===== */

/* CSS Custom Properties - Blue/Orange Theme */
:root {
    /* Primary Colors - Blue/Orange Theme */
    --wrap-primary: #2563eb;
    --wrap-secondary: #ea580c;
    --wrap-accent: #dbeafe;
    --wrap-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    --wrap-gradient-light: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-muted: #f1f5f9;
    --bg-accent: #eff6ff;
    
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-white: #ffffff;
    
    /* Border & Shadow */
    --border-color: #e2e8f0;
    --border-radius: 0.75rem;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Status Colors */
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    --info-color: #0284c7;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease-out;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Privacy Banner */
.privacy-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--wrap-primary);
    color: var(--text-white);
    padding: 1rem;
    z-index: 100;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease-out;
}

.privacy-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1rem;
}

.privacy-btn {
    background: var(--wrap-secondary);
    color: var(--text-white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.privacy-btn:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

/* Header */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--wrap-primary);
    text-decoration: none;
}

.logo i {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--wrap-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--wrap-primary);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 40;
}

.mobile-menu.active {
    display: block;
    animation: slideDown 0.3s ease-out;
}

.mobile-link {
    display: block;
    padding: 1rem;
    text-decoration: none;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.mobile-link:hover {
    background: var(--bg-secondary);
    color: var(--wrap-primary);
}

/* Main Content */
.main-content {
    padding-bottom: 2rem;
}

/* Hero Section */
.hero-section {
    background: var(--wrap-gradient-light);
    padding: 3rem 0;
    text-align: center;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.breadcrumb a {
    text-decoration: none;
    color: var(--wrap-primary);
    transition: var(--transition);
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    background: var(--wrap-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Statistics Section */
.stats-section {
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 4rem;
    height: 4rem;
    background: var(--wrap-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--wrap-primary);
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Calculator Section */
.calculator-section {
    padding: 2rem 0;
}

.calculator-wrapper {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* Tab Navigation */
.tabs-container {
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.tabs-list {
    display: flex;
    padding: 0.5rem;
    gap: 0.5rem;
    overflow-x: auto;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: none;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    flex: 1;
    min-width: 140px;
    justify-content: center;
}

.tab-btn:hover {
    background: var(--bg-accent);
    color: var(--wrap-primary);
}

.tab-btn.active {
    background: var(--wrap-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.tab-btn i {
    font-size: 1rem;
}

/* Tab Content */
.tab-content {
    display: none;
    padding: 2rem;
    animation: fadeIn 0.3s ease-out;
}

.tab-content.active {
    display: block;
}

/* Card Styles */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.card-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.card-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-header p {
    color: var(--text-secondary);
    margin: 0;
}

.card-body {
    padding: 2rem;
}

/* Form Styles */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-group input,
.form-group select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group input:invalid {
    border-color: var(--error-color);
}

/* Slider Styles */
.slider-container {
    margin-top: 0.5rem;
}

.slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-muted);
    outline: none;
    transition: var(--transition);
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--wrap-primary);
    cursor: pointer;
    transition: var(--transition);
}

.slider::-webkit-slider-thumb:hover {
    background: var(--wrap-secondary);
    transform: scale(1.1);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Button Styles */
.btn-primary,
.btn-secondary,
.btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    justify-content: center;
}

.btn-primary {
    background: var(--wrap-gradient);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--wrap-accent);
    border-color: var(--wrap-primary);
    color: var(--wrap-primary);
}

.btn-danger {
    background: var(--error-color);
    color: var(--text-white);
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.calculate-section {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

/* Results Display */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.result-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.result-card:hover {
    border-color: var(--wrap-primary);
    box-shadow: var(--shadow-sm);
}

.result-icon {
    width: 3rem;
    height: 3rem;
    background: var(--wrap-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    margin: 0 auto 1rem;
    font-size: 1.25rem;
}

.result-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--wrap-primary);
    margin-bottom: 0.5rem;
}

.result-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
}

.result-unit {
    font-size: 1rem;
    font-weight: 400;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--wrap-primary);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* Chart Styles */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.chart-container {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    height: 400px;
    position: relative;
}

/* Template Cards */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.template-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.template-icon {
    width: 4rem;
    height: 4rem;
    background: var(--wrap-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.template-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.template-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.template-specs {
    background: var(--wrap-accent);
    color: var(--wrap-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
}

/* How It Works Section */
.how-it-works {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.step-number {
    width: 3rem;
    height: 3rem;
    background: var(--wrap-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
    font-weight: 800;
    margin: 0 auto 1rem;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Use Cases Section */
.use-cases {
    padding: 4rem 0;
}

.use-cases h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.use-case-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.use-case-icon {
    width: 4rem;
    height: 4rem;
    background: var(--wrap-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.use-case-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.use-case-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Related Calculators */
.related-calculators {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.related-calculators h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 3rem;
}

.categories-grid {
    display: grid;
    gap: 3rem;
}

.category-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.calculators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.calculator-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

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

.calculator-card.active {
    border-color: var(--wrap-primary);
    background: var(--wrap-accent);
}

.calculator-card.popular::after {
    content: 'Popular';
    position: absolute;
    top: -0.5rem;
    right: -0.5rem;
    background: var(--wrap-secondary);
    color: var(--text-white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
}

.calculator-card i {
    font-size: 2rem;
    color: var(--wrap-primary);
    margin-bottom: 1rem;
}

.calculator-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.calculator-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
}

.faq-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 3rem;
}

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

.faq-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--wrap-primary);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--wrap-accent);
}

.faq-question h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.faq-question i {
    color: var(--wrap-primary);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.faq-item.active .faq-answer {
    padding: 1.5rem;
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: var(--text-white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.footer-logo i {
    color: var(--wrap-primary);
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--wrap-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--wrap-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    opacity: 0.7;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

@keyframes slideInFromRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Focus Management */
.focus-visible:focus {
    outline: 2px solid var(--wrap-primary);
    outline-offset: 2px;
}

/* Detailed Results Styles */
.detailed-results {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.detailed-results h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--wrap-primary);
    padding-bottom: 0.5rem;
}

.result-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 0.75rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.detail-row span:first-child {
    font-weight: 500;
    color: var(--text-secondary);
}

.detail-row span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

/* Recommendations Styles */
.recommendations {
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.recommendations h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.recommendations h3:before {
    content: '💡';
    font-size: 1.5rem;
}

.recommendation-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.recommendation-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.recommendation-item:hover {
    border-color: var(--wrap-primary);
    box-shadow: var(--shadow-sm);
}

.rec-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--wrap-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rec-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.rec-content p {
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Export Options */
.export-options {
    margin-top: 2rem;
    padding: 1rem;
    background: var(--bg-muted);
    border-radius: var(--border-radius);
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* History Styles */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.history-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.history-item:hover {
    border-color: var(--wrap-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.history-header h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.history-film-type {
    font-size: 0.875rem;
    color: var(--wrap-primary);
    background: var(--wrap-accent);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
}

.history-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

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

.summary-item span:first-child {
    font-weight: 500;
    color: var(--text-secondary);
}

.summary-item span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.history-delete {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--error-color);
    color: white;
    border: none;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.history-delete:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.history-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Notification Enhancement */
.notification {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    background: var(--success-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 50;
    animation: slideInFromRight 0.3s ease-out;
    max-width: 400px;
}

.notification-warning {
    background: var(--warning-color);
}

.notification-error {
    background: var(--error-color);
}

.notification-info {
    background: var(--info-color);
}

.notification-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.notification-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        min-width: 350px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .tabs-list {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: 1;
        min-width: 120px;
    }
    
    .tab-btn span {
        display: none;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .templates-grid {
        grid-template-columns: 1fr;
    }
    
    .calculators-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .calculators-grid {
        grid-template-columns: 1fr;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .tab-content {
        padding: 1rem;
    }
}

/* Print Styles */
@media print {
    .header, .footer, .tabs-list, .btn-primary, .btn-secondary, .export-options {
        display: none;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #000;
        break-inside: avoid;
    }
    
    .tab-content {
        display: block !important;
    }
    
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-container {
        display: none;
    }
}