/* Base Styles */
:root {
    /* Colors */
    --color-primary: #3B82F6;
    --color-primary-light: #93C5FD;
    --color-primary-dark: #2563EB;
    --color-secondary: #F97316;
    --color-secondary-light: #FDBA74;
    --color-secondary-dark: #C2410C;
    --color-background: #F9FAFB;
    --color-white: #FFFFFF;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-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: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* 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);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-background);
    color: var(--color-gray-800);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--color-primary);
    transition: color 0.3s ease;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.25rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
    font-size: 1rem;
    border: none;
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

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

.btn-text {
    background-color: transparent;
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.btn-text:hover {
    color: var(--color-primary-dark);
    background-color: var(--color-gray-100);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Navbar */
.navbar {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.navbar-logo a {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-gray-900);
}

.navbar-links {
    display: flex;
    gap: var(--spacing-xl);
}

.navbar-links a {
    color: var(--color-gray-700);
    font-weight: 500;
}

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

.navbar-auth {
    display: flex;
    gap: var(--spacing-md);
}

.navbar-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-gray-700);
}

/* Hero Section */
.hero {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2xl);
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.section-header h2 {
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Library Section */
.library {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background);
}

.library-search {
    display: flex;
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.library-search input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
}

.library-search button {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.library-content {
    display: flex;
    gap: var(--spacing-2xl);
}

.library-filters {
    width: 250px;
    flex-shrink: 0;
}

.library-filters h3 {
    margin-bottom: var(--spacing-md);
}

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

.library-filters a {
    display: block;
    padding: var(--spacing-sm);
    color: var(--color-gray-700);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.library-filters a:hover,
.library-filters a.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    flex: 1;
}

/* Featured Prompts Section */
.featured-prompts {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.prompt-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.prompt-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.prompt-card h3 {
    margin-bottom: var(--spacing-sm);
}

.prompt-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

/* Collections Section */
.collections {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-white);
}

.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.collection-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    background-color: var(--color-white);
}

.collection-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.collection-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.collection-content {
    padding: var(--spacing-lg);
}

.collection-content h3 {
    margin-bottom: var(--spacing-sm);
}

.collection-content p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

/* Saved Prompts Section */
.saved {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background);
}

.saved-login {
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 400px;
}

.login-card h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
}

.login-footer {
    margin-top: var(--spacing-lg);
    text-align: center;
}

/* Newsletter Section */
.newsletter {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-primary-light);
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-content h2 {
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.newsletter-content p {
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
}

.newsletter-trust {
    color: var(--color-gray-700);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-2xl);
}

.footer-logo h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-logo p {
    color: var(--color-gray-400);
}

.footer-links {
    display: flex;
    gap: var(--spacing-2xl);
}

.footer-links-column h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

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

.footer-links-column a {
    color: var(--color-gray-400);
}

.footer-links-column a:hover {
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-800);
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.modal-content {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    max-width: 800px;
    margin: var(--spacing-2xl) auto;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h2 {
    margin-bottom: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-gray-500);
}

.modal-body {
    padding: var(--spacing-lg);
}

.prompt-text,
.prompt-example {
    margin-bottom: var(--spacing-lg);
}

.prompt-copy {
    position: relative;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

.prompt-copy pre {
    white-space: pre-wrap;
    word-break: break-word;
    font-family: monospace;
    margin-right: var(--spacing-xl);
}

.btn-copy {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    color: var(--color-gray-500);
    cursor: pointer;
    font-size: 1.25rem;
    transition: color 0.3s ease;
}

.btn-copy:hover {
    color: var(--color-primary);
}

.example-box {
    background-color: var(--color-gray-100);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* Responsive Styles */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content,
    .hero-image {
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .footer-logo {
        text-align: center;
    }
    
    .footer-links {
        justify-content: space-around;
    }
}

@media (max-width: 768px) {
    .navbar-links,
    .navbar-auth {
        display: none;
    }
    
    .navbar-toggle {
        display: block;
    }
    
    .library-content {
        flex-direction: column;
    }
    
    .library-filters {
        width: 100%;
        margin-bottom: var(--spacing-lg);
    }
    
    .library-filters ul {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .library-filters a {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .collections-grid,
    .library-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .modal-content {
        margin: var(--spacing-md) auto;
    }
}