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

body {
    font-family: 'DM Sans', sans-serif;
    background: #0F172A;
    color: #F8FAFC;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(34, 197, 94, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(59, 130, 246, 0.1), transparent),
        radial-gradient(ellipse 50% 30% at 20% 80%, rgba(168, 85, 247, 0.08), transparent);
    pointer-events: none;
    z-index: 0;
}

.container {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 24px;
}

.hero {
    text-align: center;
    margin-bottom: 60px;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, #22C55E 0%, #16A34A 100%);
    color: #0F172A;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 24px;
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 10vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #22C55E 0%, #3B82F6 50%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    color: #94A3B8;
    font-size: 1.1rem;
}

.archive-section {
    margin-bottom: 60px;
}

.section-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #64748B;
    margin-bottom: 20px;
}

.archive-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.archive-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
    border: 1px solid #334155;
    border-radius: 16px;
    padding: 24px 28px;
    text-decoration: none;
    color: inherit;
    transition: all 0.25s ease;
    cursor: pointer;
}

.archive-card:hover {
    transform: translateY(-2px);
    border-color: #22C55E;
    box-shadow: 0 8px 32px rgba(34, 197, 94, 0.15);
}

.archive-card:focus {
    outline: 2px solid #22C55E;
    outline-offset: 2px;
}

.card-date {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.card-date .day {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.card-date .month {
    font-size: 0.875rem;
    color: #94A3B8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.card-title {
    font-size: 0.875rem;
    color: #94A3B8;
}

.card-arrow {
    color: #64748B;
    transition: all 0.2s ease;
}

.archive-card:hover .card-arrow {
    color: #22C55E;
    transform: translateX(4px);
}

.footer {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #1E293B;
}

.footer p {
    color: #64748B;
    font-size: 0.875rem;
}

.footer a {
    color: #22C55E;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer a:hover {
    color: #4ADE80;
    text-decoration: underline;
}

@media (max-width: 640px) {
    .container {
        padding: 40px 16px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .archive-card {
        padding: 20px 24px;
    }
    
    .card-date .day {
        font-size: 1.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .archive-card,
    .card-arrow,
    .footer a {
        transition: none;
    }
}

/* Detail page styles */
.detail-header {
    margin-bottom: 50px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #64748B;
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: 24px;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: #22C55E;
}

.header-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.detail-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 8vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.detail-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.date-badge {
    display: inline-block;
    background: linear-gradient(135deg, #22C55E 0%, #16A34A 100%);
    color: #0F172A;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 6px 14px;
    border-radius: 20px;
    width: fit-content;
}

.detail-meta .stats {
    color: #64748B;
    font-size: 0.875rem;
}

/* Cards grid for detail page */
.section {
    margin-bottom: 50px;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: #F8FAFC;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-icon {
    font-size: 1.2em;
}

.cards-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card {
    background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
    border: 1px solid #334155;
    border-radius: 16px;
    padding: 24px;
    transition: all 0.25s ease;
}

.card:hover {
    border-color: #475569;
    transform: translateY(-2px);
}

.card-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: #F8FAFC;
    margin-bottom: 16px;
    line-height: 1.4;
}

.card-title .title-zh {
    display: block;
}

.card-title .title-en {
    display: block;
    font-size: 0.85em;
    font-weight: 400;
    color: #94A3B8;
    margin-top: 4px;
}

.card-author {
    color: #64748B;
    font-size: 0.8em;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px dashed #334155;
}

.card-content,
.content-zh,
.content-en {
    color: #CBD5E1;
    font-size: 0.92em;
    line-height: 1.7;
    margin-bottom: 16px;
}

.content-zh {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px dashed #334155;
}

.content-en {
    font-style: italic;
    color: #94A3B8;
}

.card-link {
    display: inline-flex;
    align-items: center;
    color: #22C55E;
    text-decoration: none;
    font-size: 0.85em;
    font-weight: 500;
    transition: color 0.2s ease;
}

.card-link:hover {
    color: #4ADE80;
}