/* NewsHub Frontend Styles */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 300"><defs><linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:rgba(255,255,255,0.1)"/><stop offset="100%" style="stop-color:rgba(255,255,255,0)"/></linearGradient></defs><path d="M0,100 C150,200 350,0 500,100 C650,200 850,0 1000,100 L1000,300 L0,300 Z" fill="url(%23grad)"/></svg>') no-repeat center bottom;
    background-size: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    animation: fadeInUp 1s ease-out;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-buttons {
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: white;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

/* Featured Card */
.featured-card {
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.featured-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2) !important;
}

.featured-img {
    height: 400px;
    object-fit: cover;
}

/* Article Cards */
.article-card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2) !important;
}

.card-img-wrapper {
    position: relative;
    overflow: hidden;
}

.card-img-top {
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .card-img-top {
    transform: scale(1.05);
}

.img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.3) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.article-card:hover .img-overlay {
    opacity: 1;
}

/* Side Article Cards */
.side-article-card {
    border: none;
    border-radius: 10px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.side-article-card:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.object-cover {
    object-fit: cover;
}

/* Sidebar and Newsletter */
.newsletter-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.newsletter-card .form-control {
    border: none;
    border-radius: 25px 0 0 25px;
}

.newsletter-card .btn {
    border-radius: 0 25px 25px 0;
    border: none;
}

.category-item {
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.category-item:hover {
    background-color: rgba(13, 110, 253, 0.1) !important;
    border-color: rgba(13, 110, 253, 0.2);
    transform: translateX(5px);
}

.category-badge {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
}

.read-more-btn:hover {
    transform: translateX(3px);
}

/* Feature Boxes */
.feature-box {
    transition: transform 0.3s ease;
    border-radius: 10px;
}

.feature-box:hover {
    transform: translateY(-5px);
}

.contact-item {
    transition: transform 0.3s ease;
}

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

/* Social Links */
.social-links a {
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
    opacity: 0.8;
}

/* Article Content */
.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333;
}

.article-content p {
    margin-bottom: 1.5rem;
}

/* Badges */
.badge {
    font-size: 0.8rem;
    padding: 0.5rem 0.8rem;
    border-radius: 20px;
}

/* Buttons */
.btn {
    border-radius: 25px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Footer */
footer {
    margin-top: auto;
}

/* Sidebar */
.list-group-item {
    transition: background-color 0.2s ease;
}

.list-group-item:hover {
    background-color: #f8f9fa;
}

/* Responsive Design */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .hero-section {
        padding: 2rem 0 !important;
    }
    
    .card-img-top {
        height: 150px;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .btn,
    footer {
        display: none !important;
    }
    
    .container {
        width: 100% !important;
        max-width: none !important;
    }
    
    .article-content {
        font-size: 12pt;
        line-height: 1.5;
    }
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Empty State */
.empty-state {
    padding: 4rem 2rem;
}

.empty-state i {
    opacity: 0.5;
}

/* Responsive adjustments for fixed navbar */
body {
    padding-top: 76px;
}

/* Smooth scroll for anchor links */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}