:root {
    --ng-primary: #0f766e;
    --ng-primary-dark: #0b544e;
    --ng-text-muted: #6b7280;
    --ng-border: #e5e7eb;
    --ng-bg-light: #f8fafc;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background-color: var(--ng-bg-light);
    color: #111827;
}

.ng-navbar {
    background: #fff;
    border-bottom: 1px solid var(--ng-border);
    padding: 0.9rem 0;
}
.ng-navbar .navbar-brand {
    font-weight: 700;
    color: #111827;
}
.ng-navbar .navbar-brand span { color: var(--ng-primary); }
.ng-navbar-links { align-items: center; gap: 1.25rem; }
.ng-navbar-links a { color: #374151; text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.ng-navbar-links a:hover { color: var(--ng-primary); }
.ng-marketplace-link {
    background: var(--ng-primary);
    color: #fff !important;
    padding: 0.4rem 0.9rem;
    border-radius: 6px;
}
.ng-marketplace-link:hover { background: var(--ng-primary-dark); color: #fff !important; }

.ng-hero {
    background: linear-gradient(135deg, var(--ng-primary), var(--ng-primary-dark));
    color: #fff;
    padding: 3rem 0;
    text-align: center;
}
.ng-hero h1 { font-weight: 700; font-size: 2rem; }
.ng-hero p { opacity: 0.9; max-width: 640px; margin: 0.75rem auto 0; }

.ng-article-card {
    background: #fff;
    border: 1px solid var(--ng-border);
    border-radius: 10px;
    overflow: hidden;
    height: 100%;
    transition: box-shadow 0.15s, transform 0.15s;
}
.ng-article-card:hover { box-shadow: 0 8px 20px rgba(0,0,0,0.08); transform: translateY(-2px); }
.ng-article-card img { width: 100%; height: 170px; object-fit: cover; }
.ng-article-card .ng-card-body { padding: 1rem; }
.ng-article-card .ng-badge {
    display: inline-block; font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.03em; color: var(--ng-primary); background: rgba(15,118,110,0.1);
    padding: 0.2rem 0.55rem; border-radius: 4px; margin-bottom: 0.5rem;
}
.ng-article-card h3 { font-size: 1.05rem; font-weight: 650; margin-bottom: 0.4rem; }
.ng-article-card p { color: var(--ng-text-muted); font-size: 0.9rem; }

.ng-price-stats {
    background: #f0fdfa;
    border: 1px solid #99f6e4;
    border-radius: 10px;
    padding: 1.25rem;
    margin: 1.5rem 0;
}
.ng-price-stats h2 { font-size: 1.1rem; margin-bottom: 0.75rem; }
.ng-price-stats-grid { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.ng-price-stat-item .ng-stat-value { font-size: 1.4rem; font-weight: 700; color: var(--ng-primary-dark); }
.ng-price-stat-item .ng-stat-label { font-size: 0.8rem; color: var(--ng-text-muted); }

.ng-article-content { line-height: 1.75; font-size: 1.02rem; }
.ng-article-content h2 { margin-top: 2rem; font-size: 1.4rem; }
.ng-article-content h3 { margin-top: 1.5rem; font-size: 1.15rem; }

.ng-footer {
    background: #111827;
    color: #9ca3af;
    padding: 1.5rem 0;
    margin-top: 3rem;
    font-size: 0.85rem;
    text-align: center;
}
.ng-footer a { color: #d1d5db; }