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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: #0f172a;
    color: #f8fafc;
    padding: 2rem;
}

.container { max-width: 800px; margin: 0 auto; }

header { margin-bottom: 1.5rem; text-align: center; }
header h1 { font-size: 2rem; color: #f97316; }
header p { color: #94a3b8; font-size: 0.95rem; }

.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    background: #1e293b;
    border: 1px solid #334155;
    color: #cbd5e1;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn:hover, .btn.active {
    background: #ea580c;
    color: #ffffff;
    border-color: #f97316;
}

.card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
}

.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 0.75rem;
    font-weight: bold;
    border-radius: 4px;
    margin-bottom: 8px;
}

.badge-tech { background: #06b6d4; color: #000; }
.badge-evento { background: #10b981; color: #000; }
.badge-geral { background: #64748b; color: #fff; }

.card h3 a {
    color: #f1f5f9;
    text-decoration: none;
    font-size: 1.1rem;
}

.card h3 a:hover { color: #38bdf8; }

.meta {
    font-size: 0.8rem;
    color: #64748b;
    margin-top: 8px;
}

a {
  color: #ff6600;
  text-decoration: none;
}

a:hover {
  color: #e65c00;
  text-decoration: underline;
}

a:visited {
  color: #ff6600;
}