body {
    font-family: 'Quicksand', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom right, #2E0854, #000000, #9370DB);
    color: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    flex-grow: 1;
}

header {
    text-align: center;
    padding: 20px 0;
}

header h1 {
    font-family: 'Cinzel Decorative', serif;
    font-size: 3.2em;
    color: #C0C0C0; /* Prateado */
    margin-bottom: 10px;
    text-shadow: 0 0 15px rgba(192,192,192,0.7);
}

header p {
    font-size: 1.2em;
    color: #E6E6FA; /* Lavanda clara */
}

main {
    background-color: rgba(0, 0, 0, 0.65);
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 20px;
}

h2 {
    font-family: 'Cinzel Decorative', serif;
    color: #87CEFA; /* Azul claro */
    text-align: center;
    margin-bottom: 20px;
    text-shadow: 0 0 12px rgba(135,206,250,0.6);
}

#card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: 15px;
    justify-items: center;
    margin-bottom: 20px;
}

.card-back {
    width: 90px;
    height: 130px;
    background-image: url("assets/card_back.jpg");
    background-size: cover;
    border: 2px solid #87CEFA;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-back:hover {
    transform: scale(1.07);
    box-shadow: 0 0 15px rgba(135,206,250,0.7);
}

#message-area {
    text-align: center;
    font-size: 1.2em;
    color: #E6E6FA;
    margin-top: 20px;
}

#selected-card-display {
    text-align: center;
}

#selected-card-display img {
    max-width: 220px;
    height: auto;
    border: 4px solid #87CEFA;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(135,206,250,0.6);
    margin-bottom: 20px;
}

#selected-card-display h3 {
    font-family: 'Cinzel Decorative', serif;
    font-size: 2.2em;
    color: #C0C0C0;
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(192,192,192,0.6);
}

#selected-card-display p {
    font-size: 1.1em;
    color: #E6E6FA;
    line-height: 1.6;
}

.buttons button {
    background-color: #6A0DAD;
    color: #fff;
    border: none;
    padding: 12px 25px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.1em;
    margin: 10px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.buttons button:hover {
    background-color: #4682B4;
    transform: scale(1.05);
}

#info-section {
    margin-top: 40px;
    background-color: rgba(0, 0, 0, 0.55);
    padding: 20px;
    border-radius: 15px;
}

#info-section p {
    color: #E6E6FA;
    line-height: 1.6;
}

#selected-card-display img {
    display: block;
    margin: 0 auto 20px auto; /* força centralizar */
}

footer {
    text-align: center;
    padding: 20px 0;
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: #E6E6FA;
}