/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    max-width: 90%;
    max-height: 90%;
    width: 600px;
    height: 500px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #e5e7eb;
    background-color: #f9fafb;
}

.modal-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
}

.modal-close {
    font-size: 28px;
    font-weight: bold;
    color: #6b7280;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.modal-close:hover {
    color: #374151;
}

.modal-body {
    flex: 1;
    overflow: hidden;
    padding: 0;
    border-radius: 8px;
}

.modal-body iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

/* Thumbnail Styles */
.bmi-checker-thumbnail {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
    border: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    user-select: none;
}

.bmi-checker-thumbnail:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.6);
    background: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
}

.bmi-checker-thumbnail:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(79, 70, 229, 0.4);
}

.thumbnail-icon {
    font-size: 24px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.thumbnail-text {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        height: 95%;
        margin: 10px;
    }

    .modal-header {
        padding: 16px 20px;
    }

    .modal-header h2 {
        font-size: 20px;
    }

    .bmi-checker-thumbnail {
        padding: 14px 20px;
        gap: 10px;
    }

    .thumbnail-text {
        font-size: 14px;
    }

    .thumbnail-icon {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .modal-content {
        width: 100%;
        height: 100%;
        margin: 0;
        border-radius: 0;
    }

    .bmi-checker-thumbnail {
        padding: 12px 16px;
    }

    .thumbnail-text {
        font-size: 13px;
    }
}