challenge-11/css/styles.css

/* Fallback styles in case CDN links fail */
:root {
    --primary-color: #0d6efd;
    --dark-bg: #212529;
    --light-bg: #f8f9fa;
    --text-dark: #212529;
    --text-light: #6c757d;
    --white: #ffffff;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    background-color: var(--light-bg);
    color: var(--text-dark);
}

/* Container fallback */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Navbar fallback */
.navbar {
    background-color: var(--dark-bg);
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

.navbar-brand {
    color: var(--white);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: bold;
}

.navbar-nav {
    list-style: none;
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    opacity: 1;
}

/* Button fallback */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.25rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Grid fallback */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: -15px;
}

.col-md-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
    padding: 15px;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* Utility classes fallback */
.py-8 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.text-3xl {
    font-size: 1.875rem;
}

.font-bold {
    font-weight: 700;
}

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

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

.rounded-lg {
    border-radius: 0.5rem;
}

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

.p-6 {
    padding: 1.5rem;
}

/* Custom styles */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn-primary {
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Custom animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

/* Responsive fallback */
@media (max-width: 768px) {
    .navbar-nav {
        flex-direction: column;
        display: none;
    }
    
    .navbar-nav.show {
        display: flex;
    }
    
    .col-md-8 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}