/**
 * Articles Page Styles
 * Cyber Chaperone - AI-Generated Articles
 */

/* ============================================
   ARTICLES HERO SECTION
   ============================================ */
.articles-hero {
    background: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.articles-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.articles-hero .container {
    position: relative;
    z-index: 1;
}

.articles-hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.articles-hero .hero-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .articles-hero {
        padding: 100px 0 40px;
    }

    .articles-hero h1 {
        font-size: var(--font-size-2xl);
    }

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

/* ============================================
   GENERATOR SECTION
   ============================================ */
.generator-section {
    background: var(--color-light);
}

.generator-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 3rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: center;
}

.generator-info h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.generator-info p {
    color: var(--color-text-light);
    font-size: var(--font-size-md);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.generator-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    display: block;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.generator-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.button-large {
    font-size: var(--font-size-lg);
    padding: 1rem 2.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    white-space: nowrap;
}

.button-large svg {
    width: 24px;
    height: 24px;
}

.button-large:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.generator-status {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-align: center;
    min-height: 20px;
}

.generator-status.success {
    color: #10b981;
    font-weight: 600;
}

.generator-status.error {
    color: #ef4444;
    font-weight: 600;
}

.generator-status.loading {
    color: var(--color-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.generator-status.loading::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

@media (max-width: 768px) {
    .generator-card {
        grid-template-columns: 1fr;
        padding: 2rem;
        gap: 2rem;
    }

    .generator-stats {
        flex-wrap: wrap;
        gap: 1.5rem;
    }

    .generator-action {
        width: 100%;
    }

    .button-large {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   ARTICLES SECTION
   ============================================ */
.articles-section {
    background: white;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.article-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    border: 1px solid #e5e7eb;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.15);
}

.article-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--color-light);
}

.article-card-image a {
    display: block;
    width: 100%;
    height: 100%;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.article-card-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.article-card-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-card-date svg {
    width: 16px;
    height: 16px;
}

.article-card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.3;
    margin: 0;
}

.article-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-card-title a:hover {
    color: var(--color-primary);
}

.article-card-body {
    padding: 1.5rem;
    flex-grow: 1;
}

.article-card-excerpt {
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

.article-card-footer {
    padding: 1.5rem;
    border-top: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.article-card-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.keyword-tag {
    background: var(--color-light);
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-card-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    transition: gap 0.3s ease;
}

.article-card-link:hover {
    gap: 0.75rem;
}

.article-card-link svg {
    width: 16px;
    height: 16px;
}

/* Loading State */
.articles-loading {
    text-align: center;
    padding: 4rem 0;
    color: var(--color-text-light);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

/* Empty State */
.articles-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-light);
}

.articles-empty svg {
    margin: 0 auto 1.5rem;
    opacity: 0.3;
}

.articles-empty h3 {
    font-size: var(--font-size-xl);
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.articles-empty p {
    font-size: var(--font-size-md);
    max-width: 400px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ============================================
   CTA SECTION
   ============================================ */
.articles-cta {
    background: linear-gradient(135deg, #0A0E27 0%, #1A1F3A 100%);
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.cta-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .cta-content h2 {
        font-size: var(--font-size-2xl);
    }

    .cta-content p {
        font-size: var(--font-size-md);
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ============================================
   SINGLE ARTICLE PAGE STYLES
   ============================================ */
.article-single {
    background: white;
}

.article-hero {
    background: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
    color: white;
    padding: 140px 0 60px;
    text-align: center;
}

.article-title {
    font-size: var(--font-size-4xl);
    color: white;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    font-size: var(--font-size-md);
    opacity: 0.95;
}

.article-date,
.article-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-content {
    padding: 4rem 0;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-dark);
}

.article-body h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 2.5rem 0 1rem;
    color: var(--color-dark);
}

.article-body h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 2rem 0 1rem;
    color: var(--color-dark);
}

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

.article-body ul,
.article-body ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-body li {
    margin-bottom: 0.5rem;
}

.article-body a {
    color: var(--color-primary);
    text-decoration: underline;
}

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

.article-body blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--color-text-light);
}

.article-footer {
    margin-top: 4rem;
}

.article-cta {
    background: var(--color-light);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
}

.article-cta h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.article-cta p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    font-size: var(--font-size-md);
}

@media (max-width: 768px) {
    .article-hero {
        padding: 120px 0 40px;
    }

    .article-title {
        font-size: var(--font-size-2xl);
    }

    .article-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .article-content {
        padding: 2rem 0;
    }

    .article-body {
        font-size: var(--font-size-md);
    }

    .article-cta {
        padding: 2rem;
    }
}