/* style.css - ธีมสีดำทอง */
body {
    background-color: #0f0f0f; color: #ffffff;
    font-family: 'Kanit', sans-serif; margin: 0;
    display: flex; justify-content: center; align-items: center; min-height: 100vh;
}
.main-content { text-align: center; width: 100%; max-width: 400px; padding: 20px; }
.gold-text { color: #d4af37; text-shadow: 0 0 10px rgba(212, 175, 55, 0.3); }
.card {
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    border: 1px solid #333; border-radius: 20px; padding: 40px 20px;
}
.btn {
    background: linear-gradient(to bottom, #f1c40f, #d4af37);
    color: #000; border: none; padding: 15px 45px;
    border-radius: 50px; font-weight: bold; cursor: pointer;
    text-decoration: none; display: inline-block; margin-top: 20px;
}