/* Custom CSS for Free Coloring Pages Website */

/* Root Variables */
:root {
    --primary-color: #ff6b6b;
    --secondary-color: #4ecdc4;
    --accent-color: #45b7d1;
    --warning-color: #feca57;
    --success-color: #48dbfb;
    --purple-color: #a55eea;
    --orange-color: #ff9ff3;
    --green-color: #26de81;
    
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    
    --font-primary: 'Fredoka One', cursive;
    --font-secondary: 'Open Sans', sans-serif;
    
    --border-radius: 15px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 400;
}

.rainbow-text {
    background: linear-gradient(45deg, var(--primary-color), var(--warning-color), var(--success-color), var(--purple-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbow-animation 3s ease-in-out infinite;
}

@keyframes rainbow-animation {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(180deg); }
}

.colorful-text {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Header Styles */
.colorful-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.navbar-brand {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    color: var(--white) !important;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.brand-text {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.navbar-nav .nav-link {
    color: var(--white) !important;
    font-weight: 600;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.navbar-toggler {
    border: none;
    color: var(--white);
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Search Container */
.search-container {
    max-width: 600px;
    margin: 0 auto;
}

.search-form .input-group {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.search-input {
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    border-radius: 0;
}

.search-input:focus {
    box-shadow: none;
    border-color: var(--secondary-color);
}

.btn-search {
    background: linear-gradient(45deg, var(--primary-color), var(--warning-color));
    border: none;
    padding: 1rem 2rem;
    color: var(--white);
    font-weight: 600;
    transition: var(--transition);
}

.btn-search:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Hero Decorations */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-crayon {
    position: absolute;
    width: 40px;
    height: 200px;
    background: linear-gradient(45deg, var(--primary-color), var(--warning-color));
    border-radius: 20px;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.crayon-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.crayon-2 {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.crayon-3 {
    top: 40%;
    left: 80%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

/* Categories Section */
.categories-section {
    padding: 5rem 0;
    background-color: var(--white);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.category-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.category-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.category-card:hover .category-image img {
    transform: scale(1.1);
}

.category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.category-card:hover .category-overlay {
    opacity: 0.8;
}

.category-icon {
    font-size: 3rem;
    color: var(--white);
    transform: scale(0);
    transition: var(--transition);
}

.category-card:hover .category-icon {
    transform: scale(1);
}

.category-content {
    padding: 1.5rem;
}

.category-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.category-description {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.btn-category {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-category:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    color: var(--white);
}

/* Popular Section */
.popular-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: var(--white);
}

.popular-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.popular-item:hover {
    transform: translateY(-5px);
}

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

.popular-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: var(--transition);
}

.popular-item:hover .popular-overlay {
    opacity: 1;
}

.btn-download, .btn-print {
    background: var(--white);
    color: var(--text-dark);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-download:hover, .btn-print:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

/* Sidebar */
.sidebar {
    padding-left: 2rem;
}

.newsletter-card, .tips-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
}

.newsletter-title, .tips-title {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.newsletter-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.btn-newsletter {
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    border: none;
    color: var(--white);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.btn-newsletter:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.tips-list {
    list-style: none;
    padding: 0;
}

.tips-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    color: var(--text-light);
}

.tips-list li:before {
    content: "🎨";
    margin-right: 0.5rem;
}

/* Footer */
.colorful-footer {
    background: linear-gradient(135deg, var(--text-dark), #34495e);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-title {
    font-family: var(--font-primary);
    margin-bottom: 1rem;
}

.footer-description {
    color: #bdc3c7;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-3px);
    color: var(--white);
}

.footer-subtitle {
    color: var(--white);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-divider {
    border-color: #34495e;
    margin: 2rem 0 1rem;
}

.copyright, .footer-note {
    color: #bdc3c7;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .sidebar {
        padding-left: 0;
        margin-top: 3rem;
    }
    
    .category-card {
        margin-bottom: 2rem;
    }
    
    .floating-crayon {
        display: none;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .categories-section, .popular-section {
        padding: 3rem 0;
    }
    
    .navbar-brand {
        font-size: 1.5rem;
    }
    
    .search-input {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
    
    .btn-search {
        padding: 0.75rem 1.5rem;
    }
}

/* Print Styles */
@media print {
    .colorful-header,
    .hero-section,
    .popular-section,
    .colorful-footer,
    .sidebar {
        display: none !important;
    }
    
    .categories-section {
        padding: 1rem 0;
    }
    
    .category-card {
        break-inside: avoid;
        margin-bottom: 1rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.bounce-in {
    animation: bounceIn 0.8s ease-out;
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); 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: var(--white);
    animation: spin 1s ease-in-out infinite;
}

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