/* --- Modal Styling --- */
.modal-main {
    background-color: transparent;
    padding: 0;
    border: none;
    align-self: center;
    justify-self: center;
    margin: 2em;
}

.modal-content {
    background-color: #6d4c41;
    border-radius: 1rem;
    padding: 2rem;
    border: 2px solid #8d6e63;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
}

.modal-close {
    color: #c8b59e;
    font-size: 2rem;
    font-weight: bold;
}

.modal-close:hover {
    color: #f5e5d8;
}

.info-box {
    background-color: #4e342e;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 2px solid #6d4c41;
}

.code-block {
    background-color: #4e342e;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 2px solid #6d4c41;
    overflow-x: auto;
    color: white;
}

.piece-movement-box {
    background-color: #4e342e;
    padding: 0.5rem;
    border-radius: 0.25rem;
    border: 1px solid #6d4c41;
    text-align: center;
}

/* --- Responsive adjustments --- */
@media (max-width: 768px) {
    .info-panel {
        padding: 1rem;
    }
}

/* Styling for the semi-transparent background behind the modal */
.modal-main::backdrop {
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

/* Base styles for the dialog itself */
.modal-main {
    background: transparent; /* Makes the dialog wrapper invisible */
    border: none;
    max-width: none; /* Let the inner div control the width */
}

/* A modern, styled close button */
.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    line-height: 1;
    color: #a0aec0; /* gray-500 */
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.modal-close:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.responsive-video {
    position: relative;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.responsive-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}