/* Resources Pages Shared Styles */

:root {
    --font-sans: 'Poppins', Arial, sans-serif;
    --font-serif: 'Lora', Georgia, serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --parchment: #faf9f5;
    --charcoal: #141413;
    --clay: #d97757;
    --clay-light: rgba(217,119,87,0.12);
    --clay-lighter: rgba(217,119,87,0.06);
    --border: #e8e6dc;
    --mid-gray: #b0aea5;
    --accent-blue: #6a9bcc;
    --accent-green: #788c5d;

    --gray-900: #141413;
    --gray-700: #4a4845;
    --gray-600: #8a8880;
    --gray-500: #b0aea5;
    --gray-200: #e8e6dc;
    --gray-100: #f0ede4;

    --tech-blue: #6a9bcc;
    --tech-blue-light: rgba(106,155,204,0.15);

    --academic-purple: #788c5d;
    --academic-purple-light: rgba(120,140,93,0.15);

    --misc-orange: #d97757;
    --misc-orange-light: rgba(217,119,87,0.1);

    --white: #faf9f5;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-serif);
    background: var(--parchment);
    color: var(--charcoal);
    line-height: 1.6;
}

/* Navigation */
.resources-nav {
    position: sticky;
    top: 0;
    background: rgba(250, 249, 245, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.nav-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--mid-gray);
    text-decoration: none;
    transition: color 0.3s;
    font-family: var(--font-sans);
}

.nav-back:hover {
    color: var(--clay);
}

.nav-logo {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--charcoal);
    text-decoration: none;
}

.nav-category {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--mid-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-sans);
}

/* Hero Section */
.resources-hero {
    padding: 80px 40px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.tech-hero {
    background: linear-gradient(135deg, #faf9f5 0%, #f0ede4 40%, rgba(106,155,204,0.15) 100%);
}

.academic-hero {
    background: linear-gradient(135deg, #faf9f5 0%, #f0ede4 40%, rgba(120,140,93,0.15) 100%);
}

.misc-hero {
    background: linear-gradient(135deg, #faf9f5 0%, #f0ede4 40%, rgba(217,119,87,0.15) 100%);
}

.hero-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.tech-hero .hero-icon {
    background: linear-gradient(135deg, #7bafd6, var(--accent-blue));
}

.academic-hero .hero-icon {
    background: linear-gradient(135deg, #8fa46e, var(--accent-green));
}

.misc-hero .hero-icon {
    background: linear-gradient(135deg, #e0896a, var(--clay));
}

.resources-hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 5vw, 3rem);
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 16px;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--gray-700);
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.7;
    font-family: var(--font-serif);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-num {
    font-size: 2rem;
    font-weight: 700;
    color: var(--charcoal);
    font-family: var(--font-sans);
}

.tech-hero .stat-num {
    color: var(--accent-blue);
}

.academic-hero .stat-num {
    color: var(--accent-green);
}

.misc-hero .stat-num {
    color: var(--clay);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--mid-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-sans);
}

/* Content Area */
.resources-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 60px 24px;
}

.content-section {
    margin-bottom: 48px;
}

.section-heading {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-sans);
}

.section-heading i {
    color: var(--clay);
}

/* Cards */
.cards-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.content-card {
    background: var(--parchment);
    border-radius: 16px;
    padding: 28px;
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s var(--ease-out);
    position: relative;
    display: block;
}

.content-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(20,20,19,0.08);
    border-color: var(--clay);
}

.content-card.featured {
    border-left: 4px solid var(--accent-blue);
}

.academic-hero ~ .resources-content .content-card.featured,
.academic-hero ~ * .content-card.featured {
    border-left-color: var(--accent-green);
}

.misc-hero ~ .resources-content .content-card.featured,
.misc-hero ~ * .content-card.featured {
    border-left-color: var(--clay);
}

.card-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.content-card.featured .card-badge {
    background: var(--tech-blue-light);
    color: var(--accent-blue);
    font-family: var(--font-sans);
}

.academic-hero ~ .resources-content .content-card .card-badge {
    background: var(--academic-purple-light);
    color: var(--accent-green);
    font-family: var(--font-sans);
}

.misc-hero ~ .resources-content .content-card .card-badge {
    background: var(--misc-orange-light);
    color: var(--clay);
    font-family: var(--font-sans);
}

.content-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 10px;
    font-family: var(--font-sans);
}

.content-card p {
    font-size: 1rem;
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 16px;
    font-family: var(--font-serif);
}

.card-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.card-meta span {
    font-size: 0.85rem;
    color: var(--mid-gray);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-sans);
}

.external-indicator {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mid-gray);
    font-size: 0.85rem;
    transition: all 0.3s var(--ease-out);
}

.content-card.external:hover .external-indicator {
    background: var(--clay);
    color: var(--parchment);
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.loading-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px;
    color: var(--mid-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-family: var(--font-sans);
}

/* Reading List */
.reading-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.reading-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--parchment);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.reading-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 6px;
}

.reading-status.reading {
    background: #fbbf24;
}

.reading-status.completed {
    background: #10b981;
}

.reading-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 4px;
    font-family: var(--font-sans);
}

.reading-meta {
    font-size: 0.85rem;
    color: var(--mid-gray);
    font-family: var(--font-sans);
}

/* Interest Tags */
.interest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.interest-tag {
    padding: 8px 16px;
    background: var(--clay-lighter);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--clay);
    transition: all 0.3s var(--ease-out);
    font-family: var(--font-sans);
}

.interest-tag:hover {
    background: var(--clay);
    color: var(--parchment);
    border-color: var(--clay);
}

/* Bookmarks */
.bookmarks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.bookmark-item {
    background: var(--parchment);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border);
}

.bookmark-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--clay-lighter);
    color: var(--clay);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.bookmark-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 4px;
    font-family: var(--font-sans);
}

.bookmark-content p {
    font-size: 0.85rem;
    color: var(--mid-gray);
    font-family: var(--font-serif);
}

/* Footer */
.resources-footer {
    border-top: 1px solid var(--border);
    padding: 40px 24px;
    text-align: center;
}

.resources-footer p {
    font-size: 0.9rem;
    color: var(--mid-gray);
    font-family: var(--font-sans);
}

.resources-footer a {
    color: var(--charcoal);
    text-decoration: none;
    font-weight: 500;
    font-family: var(--font-sans);
}

.resources-footer a:hover {
    color: var(--clay);
}

/* Responsive */
@media (max-width: 768px) {
    .resources-hero {
        padding: 60px 24px;
    }
    
    .resources-content {
        padding: 40px 20px;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    .stat-num {
        font-size: 1.6rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .content-card {
        padding: 20px;
    }
    
    .external-indicator {
        display: none;
    }
}