/* ============================================
   AI News Portal - Components
   Reusable UI Components
   ============================================ */

/* ============================================
   Navigation Bar
   ============================================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
}

.navbar-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Top Row: Logo/Name and Date/Time */
.navbar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-logo img {
    width: 45px;
    height: 45px;
}

.navbar-datetime {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.navbar-datetime #currentTemp {
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary-light) 100%);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
}

/* Middle Row: Categories Carousel */
.navbar-categories {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) transparent;
}

.navbar-categories::-webkit-scrollbar {
    height: 4px;
}

.navbar-categories::-webkit-scrollbar-track {
    background: transparent;
}

.navbar-categories::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

.categories-carousel {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xs) 0;
    white-space: nowrap;
    justify-content: center;
}

.category-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    position: relative;
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.category-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.category-link:hover,
.category-link.active {
    color: var(--color-text-primary);
}

.category-link:hover::after,
.category-link.active::after {
    width: 80%;
}

/* Bottom Row: Search and Admin */
.navbar-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-top: 1px solid var(--glass-border);
}

.search-bar-navbar {
    position: relative;
    flex: 1;
    max-width: 600px;
}

.search-bar-navbar .search-icon {
    position: absolute;
    left: var(--space-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
}

.search-input-navbar {
    width: 100%;
    padding: var(--space-sm) var(--space-md) var(--space-sm) 2.5rem;
    font-size: var(--font-size-base);
    background: white;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.search-input-navbar:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.admin-btn {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px hsla(260, 85%, 60%, 0.3);
    white-space: nowrap;
}

.admin-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px hsla(260, 85%, 60%, 0.4);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px hsla(260, 85%, 60%, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px hsla(260, 85%, 60%, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    background: var(--glass-bg);
    color: var(--color-text-primary);
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-lg);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================
   News Card
   ============================================ */
.news-card {
    position: relative;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid hsla(0, 0%, 0%, 0.15);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.news-card:hover::before {
    opacity: 1;
}

.news-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card:hover .news-card-image {
    transform: scale(1.05);
}

.news-card-content {
    padding: var(--space-md);
    position: relative;
    z-index: 1;
}

.news-card-category {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--gradient-primary);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.news-card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.news-card-author {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* ============================================
   Featured News Card
   ============================================ */
.featured-news {
    margin-bottom: var(--space-2xl);
}

/* Grid layout: 2/3 for featured, 1/3 for two news cards */
.featured-news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.featured-news-side-cards {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: var(--space-lg);
    height: 100%;
}

.featured-news-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    height: 100%;
}

.featured-news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-card);
    opacity: 0.5;
    pointer-events: none;
}

.featured-news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.featured-news-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.featured-news-card:hover .featured-news-image {
    transform: scale(1.05);
}

.featured-news-content {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-primary);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
    width: fit-content;
    box-shadow: 0 4px 12px hsla(260, 85%, 60%, 0.3);
}

.featured-news-category {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-secondary);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    width: fit-content;
}

.featured-news-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
    line-height: 1.2;
}

.featured-news-excerpt {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.featured-news-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.featured-news-author {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 600;
}

.featured-news-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    border-radius: var(--radius-md);
    width: fit-content;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px hsla(260, 85%, 60%, 0.3);
}

.featured-news-cta:hover {
    transform: translateX(4px);
    box-shadow: 0 6px 20px hsla(260, 85%, 60%, 0.4);
}

/* Advertisement Carousel */
.ad-carousel {
    margin-top: var(--space-lg);
    position: relative;
}

.ad-label {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-text-muted);
    color: white;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    margin-bottom: -2px;
    margin-left: 25px;
    position: relative;
    z-index: 1;
}

.ad-carousel-container {
    position: relative;
    width: 100%;
    height: 256px;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.ad-slide {
    display: none;
    width: 100%;
    height: 100%;
    transition: opacity 0.5s ease-in-out;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.ad-slide.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

.ad-slide:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.ad-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-base);
}

.ad-slide:hover .ad-image {
    transform: scale(1.02);
}

.ad-image-shift {
    object-position: center calc(50% + 13px);
}

.ad-carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.ad-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--glass-border);
    cursor: pointer;
    transition: all var(--transition-base);
}

.ad-dot:hover {
    background: var(--color-text-muted);
    transform: scale(1.2);
}

.ad-dot.active {
    background: var(--gradient-primary);
    width: 32px;
    border-radius: var(--radius-full);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 968px) {
    .featured-news-grid {
        grid-template-columns: 1fr;
    }

    .featured-news-side-cards {
        grid-template-rows: auto auto;
    }

    .featured-news-card {
        grid-template-columns: 1fr;
    }

    .featured-news-image {
        min-height: 300px;
    }

    .featured-news-title {
        font-size: var(--font-size-3xl);
    }

    .featured-news-content {
        padding: var(--space-lg);
    }
}

/* ============================================
   Form Elements
   ============================================ */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-file {
    display: block;
    width: 100%;
    padding: var(--space-md);
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.form-file:hover {
    border-color: var(--color-primary);
    background: var(--glass-bg);
}

.form-file input[type="file"] {
    display: none;
}

/* ============================================
   Search Bar
   ============================================ */
.search-bar {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) 3.5rem;
    font-size: var(--font-size-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.search-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: var(--font-size-xl);
}

/* ============================================
   Search and Weather Bar (Inline)
   ============================================ */
.search-weather-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
    padding: var(--space-md);
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.search-bar-inline {
    position: relative;
    flex: 1;
    max-width: 500px;
}

.search-input-inline {
    width: 100%;
    padding: var(--space-sm) var(--space-md) var(--space-sm) 2.5rem;
    font-size: var(--font-size-base);
    background: white;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.search-input-inline:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.search-bar-inline .search-icon {
    position: absolute;
    left: var(--space-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
}

.weather-info {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.weather-date {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.weather-date::before {
    content: '📅';
    font-size: var(--font-size-lg);
}

.weather-temp {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary-light) 100%);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
}

@media (max-width: 768px) {
    .search-weather-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .search-bar-inline {
        max-width: 100%;
    }

    .weather-info {
        justify-content: space-between;
    }
}

/* ============================================
   Category Filter
   ============================================ */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin: var(--space-xl) 0;
}

.category-btn {
    padding: var(--space-sm) var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.category-btn:hover {
    background: var(--color-bg-card-hover);
    color: var(--color-text-primary);
}

.category-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    padding: var(--space-3xl) 0;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, white 0%, var(--color-secondary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Footer
   ============================================ */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: left;
}

.footer {
    margin-top: var(--space-3xl);
    padding: var(--space-xl) 0;
    background: var(--color-bg-darker);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    text-align: center;
}

.footer-text {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ============================================
   Badge
   ============================================ */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-success {
    background: hsla(140, 70%, 50%, 0.2);
    color: hsl(140, 70%, 70%);
    border: 1px solid hsl(140, 70%, 50%);
}

.badge-warning {
    background: hsla(45, 90%, 50%, 0.2);
    color: hsl(45, 90%, 70%);
    border: 1px solid hsl(45, 90%, 50%);
}

.badge-danger {
    background: hsla(0, 70%, 50%, 0.2);
    color: hsl(0, 70%, 70%);
    border: 1px solid hsl(0, 70%, 50%);
}

/* ============================================
   Loading Spinner
   ============================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    .navbar-nav {
        gap: var(--space-md);
    }

    .navbar-nav a {
        font-size: var(--font-size-sm);
    }

    .hero {
        padding: var(--space-2xl) 0;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .category-filter {
        gap: var(--space-xs);
    }

    .category-btn {
        padding: var(--space-xs) var(--space-md);
        font-size: var(--font-size-sm);
    }
}