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

:root {
    /* Colors */
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Neutrals */
    --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;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-secondary: Georgia, 'Times New Roman', serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: var(--spacing-md);
}

blockquote {
    font-family: var(--font-secondary);
    font-style: italic;
    position: relative;
}

.quote-text {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.quote-author {
    font-size: 1rem;
    font-style: normal;
    color: var(--gray-600);
    display: block;
    margin-top: var(--spacing-sm);
}

.quote-author::before {
    content: "— ";
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Navigation */
.main-nav {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-links a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    max-height: 400px;
    overflow-y: auto;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-700);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.dropdown-menu a:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--gray-100);
}

.theme-toggle .moon-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: block;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: var(--spacing-3xl) 0;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 1s ease 0.2s both;
}

/* Hero Carousel */
.hero-carousel {
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    animation: fadeInUp 1s ease 0.4s both;
}

.carousel-container {
    position: relative;
    min-height: 200px;
}

.carousel-slide {
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.carousel-slide.active {
    opacity: 1;
}

.hero-quote {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-quote .quote-text {
    font-size: 1.5rem;
    color: white;
    margin-bottom: var(--spacing-lg);
}

.hero-quote .quote-author {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
}

/* Carousel Controls */
.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.carousel-prev,
.carousel-next {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.carousel-indicators {
    display: flex;
    gap: var(--spacing-sm);
}

.carousel-indicators span {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-indicators span.active {
    background: white;
    width: 24px;
}

/* Hero Actions */
.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s both;
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: 1.125rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-primary {
    background-color: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
}

.btn-icon {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background-color: var(--gray-100);
    transform: scale(1.1);
}

/* Sections */
section {
    padding: var(--spacing-3xl) 0;
}

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

.section-subtitle {
    color: var(--gray-600);
    font-size: 1.125rem;
    margin-top: var(--spacing-sm);
}

/* Daily Wisdom */
.daily-wisdom {
    background-color: white;
}

.daily-quote-card {
    max-width: 800px;
    margin: 0 auto;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.quote-content {
    margin-bottom: var(--spacing-xl);
}

.quote-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.favorite-btn .heart-filled {
    display: none;
}

.favorite-btn.active .heart-empty {
    display: none;
}

.favorite-btn.active .heart-filled {
    display: inline;
}

.reflection-prompt {
    border-top: 1px solid var(--gray-200);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.reflection-prompt h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.reflection-text {
    color: var(--gray-600);
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.category-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

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

.category-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.category-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

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

/* Quotes Grid */
.quotes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.quote-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.quote-card:hover {
    box-shadow: var(--shadow-md);
}

/* Authors Carousel */
.authors-carousel {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    scrollbar-width: thin;
}

.author-card {
    flex: 0 0 200px;
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

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

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: var(--gray-200);
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.author-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

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

/* Quote Generator */
.quote-generator {
    background-color: var(--gray-50);
}

.generator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.generator-preview {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.quote-card-preview {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-2xl);
    text-align: center;
}

.generator-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.control-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.style-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.style-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-300);
    background: white;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.style-btn:hover,
.style-btn.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.font-selector {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: white;
}

/* Newsletter */
.newsletter {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.newsletter-form {
    max-width: 500px;
    margin: var(--spacing-xl) auto 0;
    display: flex;
    gap: var(--spacing-md);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
}

/* Footer */
.main-footer {
    background-color: var(--gray-900);
    color: white;
    padding: var(--spacing-2xl) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--gray-400);
    margin-bottom: var(--spacing-md);
}

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

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

.footer-section a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    font-size: 1.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-800);
    color: var(--gray-400);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn var(--transition-base);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    max-width: 500px;
    position: relative;
    animation: slideIn var(--transition-base);
}

.modal-close {
    position: absolute;
    right: var(--spacing-md);
    top: var(--spacing-md);
    font-size: 2rem;
    cursor: pointer;
    color: var(--gray-400);
}

.modal-close:hover {
    color: var(--gray-600);
}

.share-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.share-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-300);
    background: white;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1rem;
}

.share-option:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn {
        width: 100%;
    }
    
    .generator-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .quotes-grid {
        grid-template-columns: 1fr;
    }
}